On Wed, Feb 22, 2017 at 09:47:27PM +0100, Philipp Tomsich wrote:
> This change adds a full device-model pinctrl driver for sunxi (tested with
> sun50iw1p1) based on the support available in Linux.
>
> Details are:
> * implements a driver for pinctrl devices and assigns sun50i-a64-pinctrl
> and sun50i-a64-r-pinctrl to it
> * dynamically creates the driver_data for a sunxi_gpio (see sunxi_gpio.c)
> driver and binds it to the same device-tree node
> * lifts and reuses the pinctrl-sunxi.h and pinctrl-sun50i-a64.c files from
> Linux (thanks to Maxime and Andre) and adds a pinctrl-sun50i-a64-r.c (to
> be picked up for inclusion into Linux again)
>
> Signed-off-by: Philipp Tomsich <philipp.toms...@theobroma-systems.com>
> ---
> arch/arm/include/asm/arch-sunxi/gpio-internal.h | 19 +
> .../pinctrl/allwinner,pinctrl.txt | 65 +++
> drivers/gpio/sunxi_gpio.c | 15 +-
> drivers/pinctrl/Kconfig | 10 +
> drivers/pinctrl/Makefile | 2 +
> drivers/pinctrl/sunxi/Makefile | 10 +
> drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c | 92 ++++
> drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c | 577
> +++++++++++++++++++++
> drivers/pinctrl/sunxi/pinctrl-sunxi.c | 317 +++++++++++
> drivers/pinctrl/sunxi/pinctrl-sunxi.h | 311 +++++++++++
> 10 files changed, 1411 insertions(+), 7 deletions(-)
> create mode 100644 arch/arm/include/asm/arch-sunxi/gpio-internal.h
> create mode 100644 doc/device-tree-bindings/pinctrl/allwinner,pinctrl.txt
> create mode 100644 drivers/pinctrl/sunxi/Makefile
> create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c
> create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c
> create mode 100644 drivers/pinctrl/sunxi/pinctrl-sunxi.c
> create mode 100644 drivers/pinctrl/sunxi/pinctrl-sunxi.h
>
> diff --git a/arch/arm/include/asm/arch-sunxi/gpio-internal.h
> b/arch/arm/include/asm/arch-sunxi/gpio-internal.h
> new file mode 100644
> index 0000000..4dcdd34
> --- /dev/null
> +++ b/arch/arm/include/asm/arch-sunxi/gpio-internal.h
> @@ -0,0 +1,19 @@
> +/*
> + * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +
> +#ifndef _SUNXI_GPIO_INTERNAL_H
> +#define _SUNXI_GPIO_INTERNAL_H
> +
> +/* This data structure is shared between the sunxi_gpio driver and
> + * the sunxi_pinctrl driver.
> + */
> +struct sunxi_gpio_soc_data {
> + int start;
> + int no_banks;
> +};
> +
> +#endif
> diff --git a/doc/device-tree-bindings/pinctrl/allwinner,pinctrl.txt
> b/doc/device-tree-bindings/pinctrl/allwinner,pinctrl.txt
> new file mode 100644
> index 0000000..946831f
> --- /dev/null
> +++ b/doc/device-tree-bindings/pinctrl/allwinner,pinctrl.txt
> @@ -0,0 +1,65 @@
> +* Allwinner Pinmux Controller
> +
> +Allwinner integrates multiple banks (of 32 pins each) of pin-muxing,
> +GPIO functionality and (optional) external interrupt functionality
> +into a single controller.
> +
> +For each configurable pad (certain driver-cells, such as the IO from
> +integrated USB PHYs or DRAM, have a fixed function and can not be
> +configured), the muxing options (input, output or one of the several
> +functions) can be selected.
> +
> +Properties for the pinctrl node:
> + - compatible: should be "allwinner,sun50i-pinctrl"
There's a typo here, the compatible is sun50i-a64-pinctrl
> + - reg: address and length of the register set for the device.
> + - interrupts: interrupt for the device
> + - clocks: A phandle to the reference clock for this device
(and ideally, this would take three clocks: the bus gate + the two
oscillators).
> +
> +Properties for the pinconfig sub-nodes:
> + - allwinner,pins: a list of pins (e.g. "PH2", "PH3") to configure
> + - allwinner,function: the name of pinmux function (e.g. "mmc2")
allwinner,pins and allwinner,function are also deprecated in favour of
pins and function.
> + - drive-strength: a drive-stength setting of 10, 20, 30 or 40 mA
> + - bias-pull-up
> + - bias-pull-down
> + - bias-disable (default)
The default is not bias-disable, but to keep the current configuration
> +
> +Deprecated properties for the pinconfig sub-nodes:
> + - allwinner,drive: one of <SUN4I_PINCTRL_10_MA>, <SUN4I_PINCTRL_20_MA>,
> + <SUN4I_PINCTRL_30_MA> or <SUN4I_PINCTRL_40_MA>
> + - allwinner,pull: one of <SUN4I_PINCTRL_NO_PULL>, <SUN4I_PINCTRL_PULL_UP>
> + or <SUN4I_PINCTRL_PULL_DOWN>
> +
> +Example:
> +
> + pio: pinctrl@1c20800 {
> + compatible = "allwinner,sun50i-a64-pinctrl";
> + reg = <0x01c20800 0x400>;
> +
> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
> + clocks = <&bus_gates 69>;
> +
> + gpio-controller;
> + #gpio-cells = <3>;
> +
> + interrupt-controller;
> + #interrupt-cells = <2>;
> +
> + #address-cells = <1>;
> + #size-cells = <1>;
> +
> + uart0_pins_a: uart0_pins_a {
> + allwinner,pins = "PB8", "PB9";
> + allwinner,function = "uart0";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> +
> + uart0_pins_b: uart0_pins_b {
> + allwinner,pins = "PF2", "PF3";
> + allwinner,function = "uart0";
> + allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
> + };
> + };
> diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c
> index 2b7bc7f..fd0c1ac 100644
> --- a/drivers/gpio/sunxi_gpio.c
> +++ b/drivers/gpio/sunxi_gpio.c
> @@ -16,6 +16,7 @@
> #include <fdtdec.h>
> #include <malloc.h>
> #include <asm/arch/gpio.h>
> +#include <asm/arch/gpio-internal.h>
> #include <asm/io.h>
> #include <asm/gpio.h>
> #include <dm/device-internal.h>
> @@ -275,11 +276,6 @@ static int gpio_sunxi_probe(struct udevice *dev)
> return 0;
> }
>
> -struct sunxi_gpio_soc_data {
> - int start;
> - int no_banks;
> -};
> -
> /**
> * We have a top-level GPIO device with no actual GPIOs. It has a child
> * device for each Sunxi bank.
> @@ -353,18 +349,22 @@ static const struct udevice_id sunxi_gpio_ids[] = {
> ID("allwinner,sun8i-a83t-pinctrl", a_all),
> ID("allwinner,sun8i-h3-pinctrl", a_all),
> ID("allwinner,sun9i-a80-pinctrl", a_all),
> +#if !defined(CONFIG_SUNXI_PINCTRL)
> /* This is not strictly correct for the A64, as it is missing
> * bank 'A'. Yet, the register layout in the pinctrl block is
> * backward compatible and any accesses to the registers that
> * normally control bank 'A' will have no adverse effect.
> */
> - ID("allwinner,sun50i-a64-pinctrl", a_all),
> + ID("allwinner,sun50i-a64-pinctrl", a_all),
> +#endif
> ID("allwinner,sun6i-a31-r-pinctrl", l_2),
> ID("allwinner,sun8i-a23-r-pinctrl", l_1),
> ID("allwinner,sun8i-a83t-r-pinctrl", l_1),
> ID("allwinner,sun8i-h3-r-pinctrl", l_1),
> ID("allwinner,sun9i-a80-r-pinctrl", l_3),
> - ID("allwinner,sun50i-a64-r-pinctrl", l_1),
> +#if !defined(CONFIG_SUNXI_PINCTRL)
> + ID("allwinner,sun50i-a64-r-pinctrl", l_1),
> +#endif
> { }
> };
>
> @@ -376,4 +376,5 @@ U_BOOT_DRIVER(gpio_sunxi) = {
> .bind = gpio_sunxi_bind,
> .probe = gpio_sunxi_probe,
> };
> +
> #endif
> diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
> index efcb4c0..064a682 100644
> --- a/drivers/pinctrl/Kconfig
> +++ b/drivers/pinctrl/Kconfig
> @@ -175,6 +175,16 @@ config PIC32_PINCTRL
> by a device tree node which contains both GPIO defintion and pin
> control
> functions.
>
> +config SUNXI_PINCTRL
> + bool "Allwinner Axx pin-control and pin-mux driver"
> + depends on DM && ARCH_SUNXI
> + default y
> + help
> + Supports pin multiplexing control, drive-strength and bias control on
> + Allwinner Axx SoCs. The driver is controlled by a device tree node
> which
> + contains both the GPIO definitions and the pin control functions for
> + each multiplex function.
> +
> endif
>
> source "drivers/pinctrl/meson/Kconfig"
> diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
> index 512112a..da27a91 100644
> --- a/drivers/pinctrl/Makefile
> +++ b/drivers/pinctrl/Makefile
> @@ -16,3 +16,5 @@ obj-$(CONFIG_PIC32_PINCTRL) += pinctrl_pic32.o
> obj-$(CONFIG_PINCTRL_EXYNOS) += exynos/
> obj-$(CONFIG_PINCTRL_MESON) += meson/
> obj-$(CONFIG_PINCTRL_MVEBU) += mvebu/
> +
> +obj-$(CONFIG_ARCH_SUNXI) += sunxi/
> \ No newline at end of file
> diff --git a/drivers/pinctrl/sunxi/Makefile b/drivers/pinctrl/sunxi/Makefile
> new file mode 100644
> index 0000000..11549ec
> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/Makefile
> @@ -0,0 +1,10 @@
> +#
> +# Copyright (c) 2017 Theobroma Systems Design und Consulting GmbH
> +#
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +
> +obj-$(CONFIG_SUNXI_PINCTRL) += pinctrl-sunxi.o
> +ifdef CONFIG_SUNXI_PINCTRL
> +obj-$(CONFIG_MACH_SUN50I) += pinctrl-sun50i-a64.o pinctrl-sun50i-a64-r.o
> +endif
> diff --git a/drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c
> b/drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c
> new file mode 100644
> index 0000000..864d1ec
> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c
> @@ -0,0 +1,92 @@
> +/*
> + * Allwinner A64 SoCs pinctrl driver.
> + *
> + * Copyright (C) 2017 Theobroma Systems Design und Consulting GmbH.
> + *
> + * Based on pinctrl-sun7i-a20.c, which is:
> + * Copyright (C) 2014 Maxime Ripard <maxime.rip...@free-electrons.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +#include <common.h>
> +
> +#include "pinctrl-sunxi.h"
> +
> +static const struct sunxi_desc_pin a64_r_pins[] = {
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_rsb"), /* SCK */
> + SUNXI_FUNCTION(0x3, "s_i2c"), /* SCK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* EINT0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_rsb"), /* SDA */
> + SUNXI_FUNCTION(0x3, "s_i2c"), /* SDA */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* EINT1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_uart"), /* TX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* EINT2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_uart"), /* RX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* EINT3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_jtag"), /* MS */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* EINT4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_jtag"), /* CK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* EINT5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_jtag"), /* DO */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* EINT6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_jtag"), /* DI */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* EINT7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_i2c"), /* SCK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* EINT8 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_i2c"), /* SDA */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* EINT9 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 10),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_pwm"),
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 10)), /* EINT10 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 11),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "s_cir"),
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 11)), /* EINT11 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(L, 12),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 12)), /* EINT12 */
> +};
> +
> +const struct sunxi_pinctrl_desc a64_r_pinctrl_data = {
> + .pins = a64_r_pins,
> + .npins = ARRAY_SIZE(a64_r_pins),
> + .pin_base = PL_BASE,
> + .irq_banks = 1,
> +};
> diff --git a/drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c
> b/drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c
> new file mode 100644
> index 0000000..7abea03
> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c
> @@ -0,0 +1,577 @@
> +/*
> + * Allwinner A64 SoCs pinctrl driver.
> + *
> + * Copyright (C) 2016 - ARM Ltd.
> + * Author: Andre Przywara <andre.przyw...@arm.com>
> + *
> + * Based on pinctrl-sun7i-a20.c, which is:
> + * Copyright (C) 2014 Maxime Ripard <maxime.rip...@free-electrons.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +#include <common.h>
> +
> +#include "pinctrl-sunxi.h"
> +
> +static const struct sunxi_desc_pin a64_pins[] = {
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart2"), /* TX */
> + SUNXI_FUNCTION(0x4, "jtag"), /* MS0 */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 0)), /* EINT0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart2"), /* RX */
> + SUNXI_FUNCTION(0x4, "jtag"), /* CK0 */
> + SUNXI_FUNCTION(0x5, "sim"), /* VCCEN */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 1)), /* EINT1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart2"), /* RTS */
> + SUNXI_FUNCTION(0x4, "jtag"), /* DO0 */
> + SUNXI_FUNCTION(0x5, "sim"), /* VPPEN */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 2)), /* EINT2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart2"), /* CTS */
> + SUNXI_FUNCTION(0x3, "i2s0"), /* MCLK */
> + SUNXI_FUNCTION(0x4, "jtag"), /* DI0 */
> + SUNXI_FUNCTION(0x5, "sim"), /* VPPPP */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 3)), /* EINT3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif2"), /* SYNC */
> + SUNXI_FUNCTION(0x3, "i2s0"), /* SYNC */
> + SUNXI_FUNCTION(0x5, "sim"), /* CLK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 4)), /* EINT4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif2"), /* BCLK */
> + SUNXI_FUNCTION(0x3, "i2s0"), /* BCLK */
> + SUNXI_FUNCTION(0x5, "sim"), /* DATA */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 5)), /* EINT5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif2"), /* DOUT */
> + SUNXI_FUNCTION(0x3, "i2s0"), /* DOUT */
> + SUNXI_FUNCTION(0x5, "sim"), /* RST */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 6)), /* EINT6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif2"), /* DIN */
> + SUNXI_FUNCTION(0x3, "i2s0"), /* DIN */
> + SUNXI_FUNCTION(0x5, "sim"), /* DET */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 7)), /* EINT7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x4, "uart0"), /* TX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 8)), /* EINT8 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(B, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x4, "uart0"), /* RX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 0, 9)), /* EINT9 */
> + /* Hole */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NWE */
> + SUNXI_FUNCTION(0x4, "spi0")), /* MOSI */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NALE */
> + SUNXI_FUNCTION(0x3, "mmc2"), /* DS */
> + SUNXI_FUNCTION(0x4, "spi0")), /* MISO */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NCLE */
> + SUNXI_FUNCTION(0x4, "spi0")), /* SCK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NCE1 */
> + SUNXI_FUNCTION(0x4, "spi0")), /* CS */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0")), /* NCE0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NRE# */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* CLK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NRB0 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* CMD */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0")), /* NRB1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ0 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ1 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 10),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ2 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 11),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ3 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 12),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ4 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 13),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ5 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 14),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ6 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 15),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQ7 */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* D7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(C, 16),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "nand0"), /* NDQS */
> + SUNXI_FUNCTION(0x3, "mmc2")), /* RST */
> + /* Hole */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D2 */
> + SUNXI_FUNCTION(0x3, "uart3"), /* TX */
> + SUNXI_FUNCTION(0x4, "spi1"), /* CS */
> + SUNXI_FUNCTION(0x5, "ccir")), /* CLK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D3 */
> + SUNXI_FUNCTION(0x3, "uart3"), /* RX */
> + SUNXI_FUNCTION(0x4, "spi1"), /* CLK */
> + SUNXI_FUNCTION(0x5, "ccir")), /* DE */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D4 */
> + SUNXI_FUNCTION(0x3, "uart4"), /* TX */
> + SUNXI_FUNCTION(0x4, "spi1"), /* MOSI */
> + SUNXI_FUNCTION(0x5, "ccir")), /* HSYNC */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D5 */
> + SUNXI_FUNCTION(0x3, "uart4"), /* RX */
> + SUNXI_FUNCTION(0x4, "spi1"), /* MISO */
> + SUNXI_FUNCTION(0x5, "ccir")), /* VSYNC */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D6 */
> + SUNXI_FUNCTION(0x3, "uart4"), /* RTS */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D7 */
> + SUNXI_FUNCTION(0x3, "uart4"), /* CTS */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D10 */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D11 */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D12 */
> + SUNXI_FUNCTION(0x4, "emac"), /* ERXD3 */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D13 */
> + SUNXI_FUNCTION(0x4, "emac"), /* ERXD2 */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 10),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D14 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ERXD1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 11),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D15 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ERXD0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 12),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D18 */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VP0 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ERXCK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 13),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D19 */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VN0 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ERXCTL */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 14),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D20 */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VP1 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ENULL */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 15),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D21 */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VN1 */
> + SUNXI_FUNCTION(0x4, "emac"), /* ETXD3 */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 16),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D22 */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VP2 */
> + SUNXI_FUNCTION(0x4, "emac"), /* ETXD2 */
> + SUNXI_FUNCTION(0x5, "ccir")), /* D7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 17),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* D23 */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VN2 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ETXD1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 18),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* CLK */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VPC */
> + SUNXI_FUNCTION(0x4, "emac")), /* ETXD0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 19),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* DE */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VNC */
> + SUNXI_FUNCTION(0x4, "emac")), /* ETXCK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 20),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* HSYNC */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VP3 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ETXCTL */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 21),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "lcd0"), /* VSYNC */
> + SUNXI_FUNCTION(0x3, "lvds0"), /* VN3 */
> + SUNXI_FUNCTION(0x4, "emac")), /* ECLKIN */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 22),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "pwm"), /* PWM0 */
> + SUNXI_FUNCTION(0x4, "emac")), /* EMDC */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 23),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x4, "emac")), /* EMDIO */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(D, 24),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out")),
> + /* Hole */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* PCK */
> + SUNXI_FUNCTION(0x4, "ts0")), /* CLK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* CK */
> + SUNXI_FUNCTION(0x4, "ts0")), /* ERR */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* HSYNC */
> + SUNXI_FUNCTION(0x4, "ts0")), /* SYNC */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* VSYNC */
> + SUNXI_FUNCTION(0x4, "ts0")), /* DVLD */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D0 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D1 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D2 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D3 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D4 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D5 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 10),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D6 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 11),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0"), /* D7 */
> + SUNXI_FUNCTION(0x4, "ts0")), /* D7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 12),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0")), /* SCK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 13),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "csi0")), /* SDA */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 14),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "pll"), /* LOCK_DBG */
> + SUNXI_FUNCTION(0x3, "i2c2")), /* SCK */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 15),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x3, "i2c2")), /* SDA */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 16),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out")),
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(E, 17),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out")),
> + /* Hole */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc0"), /* D1 */
> + SUNXI_FUNCTION(0x3, "jtag")), /* MSI */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc0"), /* D0 */
> + SUNXI_FUNCTION(0x3, "jtag")), /* DI1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc0"), /* CLK */
> + SUNXI_FUNCTION(0x3, "uart0")), /* TX */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc0"), /* CMD */
> + SUNXI_FUNCTION(0x3, "jtag")), /* DO1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc0"), /* D3 */
> + SUNXI_FUNCTION(0x4, "uart0")), /* RX */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc0"), /* D2 */
> + SUNXI_FUNCTION(0x3, "jtag")), /* CK1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(F, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out")),
> + /* Hole */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc1"), /* CLK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 0)), /* EINT0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc1"), /* CMD */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 1)), /* EINT1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc1"), /* D0 */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 2)), /* EINT2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc1"), /* D1 */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 3)), /* EINT3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc1"), /* D2 */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 4)), /* EINT4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mmc1"), /* D3 */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 5)), /* EINT5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart1"), /* TX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 6)), /* EINT6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart1"), /* RX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 7)), /* EINT7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart1"), /* RTS */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 8)), /* EINT8 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart1"), /* CTS */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 9)), /* EINT9 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 10),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif3"), /* SYNC */
> + SUNXI_FUNCTION(0x3, "i2s1"), /* SYNC */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 10)), /* EINT10 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 11),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif3"), /* BCLK */
> + SUNXI_FUNCTION(0x3, "i2s1"), /* BCLK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 11)), /* EINT11 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 12),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif3"), /* DOUT */
> + SUNXI_FUNCTION(0x3, "i2s1"), /* DOUT */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 12)), /* EINT12 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(G, 13),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "aif3"), /* DIN */
> + SUNXI_FUNCTION(0x3, "i2s1"), /* DIN */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 1, 13)), /* EINT13 */
> + /* Hole */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 0),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "i2c0"), /* SCK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 0)), /* EINT0 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 1),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "i2c0"), /* SDA */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 1)), /* EINT1 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 2),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "i2c1"), /* SCK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 2)), /* EINT2 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 3),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "i2c1"), /* SDA */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 3)), /* EINT3 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 4),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart3"), /* TX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 4)), /* EINT4 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 5),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart3"), /* RX */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 5)), /* EINT5 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 6),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart3"), /* RTS */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 6)), /* EINT6 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 7),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "uart3"), /* CTS */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 7)), /* EINT7 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 8),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "spdif"), /* OUT */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 8)), /* EINT8 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 9),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 9)), /* EINT9 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 10),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mic"), /* CLK */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 10)), /* EINT10 */
> + SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 11),
> + SUNXI_FUNCTION(0x0, "gpio_in"),
> + SUNXI_FUNCTION(0x1, "gpio_out"),
> + SUNXI_FUNCTION(0x2, "mic"), /* DATA */
> + SUNXI_FUNCTION_IRQ_BANK(0x6, 2, 11)), /* EINT11 */
> +};
> +
> +const struct sunxi_pinctrl_desc a64_pinctrl_data = {
> + .pins = a64_pins,
> + .npins = ARRAY_SIZE(a64_pins),
> + .irq_banks = 3,
> +};
> diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.c
> b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
> new file mode 100644
> index 0000000..4640cee
> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.c
> @@ -0,0 +1,317 @@
> +/*
> + * (C) Copyright 2017 Theobroma Systems Design und Consulting GmbH
> + *
> + * In parts based on linux/drivers/pinctrl/pinctrl-sunxi.c, which is
> + * Copyright (C) 2012 Maxime Ripard
> + *
> + * SPDX-License-Identifier: GPL-2.0+
> + */
> +
> +#include <common.h>
> +#include <dm.h>
> +#include <errno.h>
> +#include <syscon.h>
> +#include <asm/io.h>
> +#include <asm/arch/clock.h>
> +#include <asm/gpio.h>
> +#include <asm/arch/gpio-internal.h>
> +#include <dm/device-internal.h>
> +#include <dm/lists.h>
> +#include <dm/pinctrl.h>
> +#include <dt-bindings/pinctrl/sun4i-a10.h>
> +#include <dt-bindings/gpio/gpio.h>
> +#include <linux/kernel.h>
> +#include "pinctrl-sunxi.h"
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +struct sunxi_pctrl_priv {
> + void *base;
> +#if defined(CONFIG_DM_GPIO)
> + struct sunxi_gpio_soc_data gpio_soc_data;
> + struct udevice *gpio_dev;
> +#endif
> +};
> +
> +static int sunxi_pctrl_parse_drive_prop(const void *blob, int node)
> +{
> + int val;
> +
> + /* Try the new style binding */
> + val = fdtdec_get_int(blob, node, "drive-strength", -EINVAL);
> + if (val >= 0) {
> + /* We can't go below 10mA ... */
> + if (val < 10)
> + return -EINVAL;
> +
> + /* ... and only up to 40 mA ... */
> + if (val > 40)
> + val = 40;
> +
> + /* by steps of 10 mA */
> + return rounddown(val, 10);
> + }
> +
> + /* And then fall back to the old binding */
> + val = fdtdec_get_int(blob, node, "allwinner,drive", -EINVAL);
> + if (val < 0)
> + return -EINVAL;
> +
> + return (val + 1) * 10;
> +}
> +
> +static int sunxi_pctrl_parse_bias_prop(const void *blob, int node)
> +{
> + /* Try the new style binding */
> + if (fdtdec_get_bool(blob, node, "bias-pull-up"))
> + return SUN4I_PINCTRL_PULL_UP;
> +
> + if (fdtdec_get_bool(blob, node, "bias-pull-down"))
> + return SUN4I_PINCTRL_PULL_DOWN;
> +
> + if (fdtdec_get_bool(blob, node, "bias-disable"))
> + return SUN4I_PINCTRL_NO_PULL;
> +
> + /* And fall back to the old binding */
> + return fdtdec_get_int(blob, node, "allwinner,pull", -EINVAL);
> +}
> +
> +static const struct sunxi_desc_pin *sunxi_pctrl_pin_by_name(struct udevice
> *dev,
> + const char *name)
> +{
> + const struct sunxi_pinctrl_desc *data =
> + (struct sunxi_pinctrl_desc *)dev_get_driver_data(dev);
> + int i;
> +
> + for (i = 0; i < data->npins; ++i)
> + if (!strcmp(data->pins[i].pin.name, name))
> + return &data->pins[i];
> +
> + return NULL;
> +}
> +
> +static int sunxi_pctrl_muxval_by_name(const struct sunxi_desc_pin *pin,
> + const char *name)
> +{
> + const struct sunxi_desc_function *func;
> +
> + if (!pin)
> + return -EINVAL;
> +
> + for (func = pin->functions; func->name; func++)
> + if (!strcmp(func->name, name))
> + return func->muxval;
> +
> + return -ENOENT;
> +}
> +
> +static void sunxi_pctrl_set_function(struct udevice *dev,
> + unsigned pin, int function)
> +{
> + struct sunxi_pctrl_priv *priv = dev_get_priv(dev);
> + const struct sunxi_pinctrl_desc *data =
> + (struct sunxi_pinctrl_desc *)dev_get_driver_data(dev);
> + u32 val, mask;
> +
> + if (function < 0)
> + return;
> +
> + pin -= data->pin_base;
> + mask = MUX_PINS_MASK << sunxi_mux_offset(pin);
> + val = function << sunxi_mux_offset(pin);
> + clrsetbits_le32(priv->base + sunxi_mux_reg(pin), mask, val);
> +}
> +
> +static void sunxi_pctrl_set_dlevel(struct udevice *dev,
> + unsigned pin, int dlevel)
> +{
> + struct sunxi_pctrl_priv *priv = dev_get_priv(dev);
> + const struct sunxi_pinctrl_desc *data =
> + (struct sunxi_pinctrl_desc *)dev_get_driver_data(dev);
> + u32 val, mask;
> +
> + if (dlevel < 0)
> + return;
> +
> + pin -= data->pin_base;
> + mask = DLEVEL_PINS_MASK << sunxi_dlevel_offset(pin);
> + val = dlevel << sunxi_dlevel_offset(pin);
> + clrsetbits_le32(priv->base + sunxi_dlevel_reg(pin), mask, val);
> +}
> +
> +static void sunxi_pctrl_set_bias(struct udevice *dev,
> + unsigned pin, int bias)
> +{
> + struct sunxi_pctrl_priv *priv = dev_get_priv(dev);
> + const struct sunxi_pinctrl_desc *data =
> + (struct sunxi_pinctrl_desc *)dev_get_driver_data(dev);
> + u32 val, mask;
> +
> + if (bias < 0)
> + return;
> +
> + pin -= data->pin_base;
> + mask = PULL_PINS_MASK << sunxi_pull_offset(pin);
> + val = bias << sunxi_pull_offset(pin);
> + clrsetbits_le32(priv->base + sunxi_pull_reg(pin), mask, val);
> +}
> +
> +static int sunxi_pctrl_set_state(struct udevice *dev, struct udevice *config)
> +{
> + const char *pins;
> + const char *function;
> + int flen;
> + int len, curr_len;
> + int drive, bias;
> + int muxval;
> +
> + debug("%s: %s %s\n", __func__, dev->name, config->name);
> +
> + pins = fdt_getprop(gd->fdt_blob, config->of_offset,
> + "allwinner,pins", &len);
> + if (!pins) {
> + debug("%s: missing allwinner,pins property in node %s\n",
> + dev->name, config->name);
> + return -EINVAL;
> + }
> +
> + function = fdt_getprop(gd->fdt_blob, config->of_offset,
> + "allwinner,function", &flen);
> + if (!function) {
> + debug("%s: missing allwinner,function property in node %s\n",
> + dev->name, config->name);
> + return -EINVAL;
> + }
> +
> + drive = sunxi_pctrl_parse_drive_prop(gd->fdt_blob, config->of_offset);
> + bias = sunxi_pctrl_parse_bias_prop(gd->fdt_blob, config->of_offset);
> +
> + debug("%s: function %s, drive %d, bias %d\n",
> + config->name, function, drive, bias);
> +
> + /* Iterate through the pins and configure each */
> + while (len && (curr_len = strnlen(pins, len))) {
> + const struct sunxi_desc_pin *pin;
> +
> + if (curr_len == len) {
> + error("%s: unterminated string?", __func__);
> + break;
> + }
> +
> + pin = sunxi_pctrl_pin_by_name(dev, pins);
> + if (pin) {
> + muxval = sunxi_pctrl_muxval_by_name(pin, function);
> +
> + sunxi_pctrl_set_function(dev, pin->pin.number, muxval);
> + sunxi_pctrl_set_dlevel(dev, pin->pin.number, drive);
> + sunxi_pctrl_set_bias(dev, pin->pin.number, bias);
> + } else {
> + debug("%s: could not find pin %s\n", dev->name, pins);
> + }
> +
> + /* advance */
> + pins += (curr_len + 1);
> + len -= (curr_len + 1);
> + }
> +
> + return 0;
> +}
> +
> +static inline void soc_data_from_desc(const struct sunxi_pinctrl_desc *data,
> + struct sunxi_gpio_soc_data *soc_data)
> +{
> + int i;
> + unsigned pinnum;
> + unsigned low = data->pin_base / PINS_PER_BANK;
> + unsigned high = data->pin_base;
> +
> + for (i = 0; i < data->npins; ++i) {
> + pinnum = data->pins[i].pin.number;
> + high = max(high, pinnum);
> + }
> +
> + /* convert pin-numbers to bank numbers */
> + high /= PINS_PER_BANK;
> +
> + soc_data->start = low;
> + soc_data->no_banks = high - low + 1;
> +}
> +
> +static int sunxi_pctrl_bind_gpio(struct udevice *dev)
> +{
> +#if defined(CONFIG_DM_GPIO)
> + struct sunxi_pctrl_priv *priv = dev_get_priv(dev);
> + const struct sunxi_pinctrl_desc *data =
> + (struct sunxi_pinctrl_desc *)dev_get_driver_data(dev);
> + struct driver *gpio_driver;
> + char name[20];
> + int ret;
> +
> + /* Fill the soc_data for the gpio driver from the pinctrl_desc */
> + soc_data_from_desc(data, &priv->gpio_soc_data);
> +
> + gpio_driver = lists_driver_lookup_name("gpio_sunxi");
> + if (!gpio_driver)
> + return -ENOENT;
> +
> + ret = device_bind_with_driver_data(dev, gpio_driver, "sunxi_gpio",
> + (ulong)&priv->gpio_soc_data,
> + dev->of_offset, &priv->gpio_dev);
> +
> + if (ret < 0)
> + return ret;
> +
> + snprintf(name, sizeof(name), "sunxi_gpio@%x", (uint32_t)priv->base);
> + device_set_name(priv->gpio_dev, name);
> +#endif
> +
> + return 0;
> +}
> +
> +static int sunxi_pctrl_probe(struct udevice *dev)
> +{
> + struct sunxi_pctrl_priv *priv = dev_get_priv(dev);
> + fdt_addr_t addr_base;
> + fdt_size_t size;
> +
> + addr_base = fdtdec_get_addr_size_auto_noparent(gd->fdt_blob,
> + dev->of_offset,
> + "reg", 0, &size,
> + false);
> + if (addr_base == FDT_ADDR_T_NONE)
> + return -EINVAL;
> +
> + priv->base = (void *)addr_base;
> +
> + return sunxi_pctrl_bind_gpio(dev);
> +}
> +
> +static struct pinctrl_ops sunxi_pctrl_ops = {
> + .set_state = sunxi_pctrl_set_state,
> +};
> +
> +#if defined(CONFIG_MACH_SUN50I)
> +extern const struct sunxi_pinctrl_desc a64_pinctrl_data;
> +extern const struct sunxi_pinctrl_desc a64_r_pinctrl_data;
> +#endif
> +
> +static const struct udevice_id sunxi_pctrl_ids[] = {
> +#if defined(CONFIG_MACH_SUN50I)
> + { .compatible = "allwinner,sun50i-a64-pinctrl",
> + .data = (ulong)&a64_pinctrl_data },
> + { .compatible = "allwinner,sun50i-a64-r-pinctrl",
> + .data = (ulong)&a64_r_pinctrl_data },
> +#endif
> + { }
> +};
> +
> +U_BOOT_DRIVER(pinctrl_sunxi) = {
> + .name = "sunxi_pctrl",
> + .id = UCLASS_PINCTRL,
> + .of_match = sunxi_pctrl_ids,
> + .priv_auto_alloc_size = sizeof(struct sunxi_pctrl_priv),
> + .ops = &sunxi_pctrl_ops,
> + .bind = dm_scan_fdt_dev,
> + .probe = sunxi_pctrl_probe,
> +};
> +
> diff --git a/drivers/pinctrl/sunxi/pinctrl-sunxi.h
> b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
> new file mode 100644
> index 0000000..8508626
> --- /dev/null
> +++ b/drivers/pinctrl/sunxi/pinctrl-sunxi.h
> @@ -0,0 +1,311 @@
> +/*
> + * Allwinner A1X SoCs pinctrl driver.
> + *
> + * Copyright (C) 2012 Maxime Ripard
> + *
> + * Maxime Ripard <maxime.rip...@free-electrons.com>
> + *
> + * This file is licensed under the terms of the GNU General Public
> + * License version 2. This program is licensed "as is" without any
> + * warranty of any kind, whether express or implied.
> + */
> +
> +#ifndef __PINCTRL_SUNXI_H
> +#define __PINCTRL_SUNXI_H
> +
> +#define PA_BASE 0
> +#define PB_BASE 32
> +#define PC_BASE 64
> +#define PD_BASE 96
> +#define PE_BASE 128
> +#define PF_BASE 160
> +#define PG_BASE 192
> +#define PH_BASE 224
> +#define PI_BASE 256
> +#define PL_BASE 352
> +#define PM_BASE 384
> +#define PN_BASE 416
> +
> +#ifdef __UBOOT__
> +/* Convenience macro to define a single named or anonymous pin descriptor */
> +#define PINCTRL_PIN(a, b) { .number = a, .name = b }
> +
> +/**
> + * struct pinctrl_pin_desc - boards/machines provide information on their
> + * pins, pads or other muxable units in this struct
> + * @number: unique pin number from the global pin number space
> + * @name: a name for this pin
> + * @drv_data: driver-defined per-pin data. pinctrl core does not touch this
> + */
> +struct pinctrl_pin_desc {
> + unsigned number;
> + const char *name;
> +#ifndef __UBOOT__
> + void *drv_data;
> +#endif
> +};
> +#endif
> +
> +#define SUNXI_PINCTRL_PIN(bank, pin) \
> + PINCTRL_PIN(P ## bank ## _BASE + (pin), "P" #bank #pin)
> +
> +#define SUNXI_PIN_NAME_MAX_LEN 5
> +
> +#define BANK_MEM_SIZE 0x24
> +#define MUX_REGS_OFFSET 0x0
> +#define DATA_REGS_OFFSET 0x10
> +#define DLEVEL_REGS_OFFSET 0x14
> +#define PULL_REGS_OFFSET 0x1c
> +
> +#define PINS_PER_BANK 32
> +#define MUX_PINS_PER_REG 8
> +#define MUX_PINS_BITS 4
> +#define MUX_PINS_MASK 0x0f
> +#define DATA_PINS_PER_REG 32
> +#define DATA_PINS_BITS 1
> +#define DATA_PINS_MASK 0x01
> +#define DLEVEL_PINS_PER_REG 16
> +#define DLEVEL_PINS_BITS 2
> +#define DLEVEL_PINS_MASK 0x03
> +#define PULL_PINS_PER_REG 16
> +#define PULL_PINS_BITS 2
> +#define PULL_PINS_MASK 0x03
> +
> +#define IRQ_PER_BANK 32
> +
> +#define IRQ_CFG_REG 0x200
> +#define IRQ_CFG_IRQ_PER_REG 8
> +#define IRQ_CFG_IRQ_BITS 4
> +#define IRQ_CFG_IRQ_MASK ((1 << IRQ_CFG_IRQ_BITS) - 1)
> +#define IRQ_CTRL_REG 0x210
> +#define IRQ_CTRL_IRQ_PER_REG 32
> +#define IRQ_CTRL_IRQ_BITS 1
> +#define IRQ_CTRL_IRQ_MASK ((1 << IRQ_CTRL_IRQ_BITS) - 1)
> +#define IRQ_STATUS_REG 0x214
> +#define IRQ_STATUS_IRQ_PER_REG 32
> +#define IRQ_STATUS_IRQ_BITS 1
> +#define IRQ_STATUS_IRQ_MASK ((1 << IRQ_STATUS_IRQ_BITS) - 1)
> +
> +#define IRQ_MEM_SIZE 0x20
> +
> +#define IRQ_EDGE_RISING 0x00
> +#define IRQ_EDGE_FALLING 0x01
> +#define IRQ_LEVEL_HIGH 0x02
> +#define IRQ_LEVEL_LOW 0x03
> +#define IRQ_EDGE_BOTH 0x04
> +
> +#define SUN4I_FUNC_INPUT 0
> +#define SUN4I_FUNC_IRQ 6
> +
> +struct sunxi_desc_function {
> + const char *name;
> + u8 muxval;
> + u8 irqbank;
> + u8 irqnum;
> +};
> +
> +struct sunxi_desc_pin {
> + struct pinctrl_pin_desc pin;
> + struct sunxi_desc_function *functions;
> +};
> +
> +struct sunxi_pinctrl_desc {
> + const struct sunxi_desc_pin *pins;
> + int npins;
> + unsigned pin_base;
> + unsigned irq_banks;
> + unsigned irq_bank_base;
> + bool irq_read_needs_mux;
> +};
> +
> +struct sunxi_pinctrl_function {
> + const char *name;
> + const char **groups;
> + unsigned ngroups;
> +};
> +
> +struct sunxi_pinctrl_group {
> + const char *name;
> + unsigned long config;
> + unsigned pin;
> +};
> +
> +#ifndef __UBOOT__
> +struct sunxi_pinctrl {
> + void __iomem *membase;
> + struct gpio_chip *chip;
> + const struct sunxi_pinctrl_desc *desc;
> + struct device *dev;
> + struct irq_domain *domain;
> + struct sunxi_pinctrl_function *functions;
> + unsigned nfunctions;
> + struct sunxi_pinctrl_group *groups;
> + unsigned ngroups;
> + int *irq;
> + unsigned *irq_array;
> + spinlock_t lock;
> + struct pinctrl_dev *pctl_dev;
> +};
> +#endif
> +
> +#define SUNXI_PIN(_pin, ...) \
> + { \
> + .pin = _pin, \
> + .functions = (struct sunxi_desc_function[]){ \
> + __VA_ARGS__, { } }, \
> + }
> +
> +#define SUNXI_FUNCTION(_val, _name) \
> + { \
> + .name = _name, \
> + .muxval = _val, \
> + }
> +
> +#define SUNXI_FUNCTION_IRQ(_val, _irq) \
> + { \
> + .name = "irq", \
> + .muxval = _val, \
> + .irqnum = _irq, \
> + }
> +
> +#define SUNXI_FUNCTION_IRQ_BANK(_val, _bank, _irq) \
> + { \
> + .name = "irq", \
> + .muxval = _val, \
> + .irqbank = _bank, \
> + .irqnum = _irq, \
> + }
> +
> +/*
> + * The sunXi PIO registers are organized as is:
> + * 0x00 - 0x0c Muxing values.
> + * 8 pins per register, each pin having a 4bits value
> + * 0x10 Pin values
> + * 32 bits per register, each pin corresponding to one bit
> + * 0x14 - 0x18 Drive level
> + * 16 pins per register, each pin having a 2bits value
> + * 0x1c - 0x20 Pull-Up values
> + * 16 pins per register, each pin having a 2bits value
> + *
> + * This is for the first bank. Each bank will have the same layout,
> + * with an offset being a multiple of 0x24.
> + *
> + * The following functions calculate from the pin number the register
> + * and the bit offset that we should access.
> + */
> +static inline u32 sunxi_mux_reg(u16 pin)
> +{
> + u8 bank = pin / PINS_PER_BANK;
> + u32 offset = bank * BANK_MEM_SIZE;
> + offset += MUX_REGS_OFFSET;
> + offset += pin % PINS_PER_BANK / MUX_PINS_PER_REG * 0x04;
> + return round_down(offset, 4);
> +}
> +
> +static inline u32 sunxi_mux_offset(u16 pin)
> +{
> + u32 pin_num = pin % MUX_PINS_PER_REG;
> + return pin_num * MUX_PINS_BITS;
> +}
> +
> +static inline u32 sunxi_data_reg(u16 pin)
> +{
> + u8 bank = pin / PINS_PER_BANK;
> + u32 offset = bank * BANK_MEM_SIZE;
> + offset += DATA_REGS_OFFSET;
> + offset += pin % PINS_PER_BANK / DATA_PINS_PER_REG * 0x04;
> + return round_down(offset, 4);
> +}
> +
> +static inline u32 sunxi_data_offset(u16 pin)
> +{
> + u32 pin_num = pin % DATA_PINS_PER_REG;
> + return pin_num * DATA_PINS_BITS;
> +}
> +
> +static inline u32 sunxi_dlevel_reg(u16 pin)
> +{
> + u8 bank = pin / PINS_PER_BANK;
> + u32 offset = bank * BANK_MEM_SIZE;
> + offset += DLEVEL_REGS_OFFSET;
> + offset += pin % PINS_PER_BANK / DLEVEL_PINS_PER_REG * 0x04;
> + return round_down(offset, 4);
> +}
> +
> +static inline u32 sunxi_dlevel_offset(u16 pin)
> +{
> + u32 pin_num = pin % DLEVEL_PINS_PER_REG;
> + return pin_num * DLEVEL_PINS_BITS;
> +}
> +
> +static inline u32 sunxi_pull_reg(u16 pin)
> +{
> + u8 bank = pin / PINS_PER_BANK;
> + u32 offset = bank * BANK_MEM_SIZE;
> + offset += PULL_REGS_OFFSET;
> + offset += pin % PINS_PER_BANK / PULL_PINS_PER_REG * 0x04;
> + return round_down(offset, 4);
> +}
> +
> +static inline u32 sunxi_pull_offset(u16 pin)
> +{
> + u32 pin_num = pin % PULL_PINS_PER_REG;
> + return pin_num * PULL_PINS_BITS;
> +}
> +
> +static inline u32 sunxi_irq_cfg_reg(u16 irq, unsigned bank_base)
> +{
> + u8 bank = irq / IRQ_PER_BANK;
> + u8 reg = (irq % IRQ_PER_BANK) / IRQ_CFG_IRQ_PER_REG * 0x04;
> +
> + return IRQ_CFG_REG + (bank_base + bank) * IRQ_MEM_SIZE + reg;
> +}
> +
> +static inline u32 sunxi_irq_cfg_offset(u16 irq)
> +{
> + u32 irq_num = irq % IRQ_CFG_IRQ_PER_REG;
> + return irq_num * IRQ_CFG_IRQ_BITS;
> +}
> +
> +static inline u32 sunxi_irq_ctrl_reg_from_bank(u8 bank, unsigned bank_base)
> +{
> + return IRQ_CTRL_REG + (bank_base + bank) * IRQ_MEM_SIZE;
> +}
> +
> +static inline u32 sunxi_irq_ctrl_reg(u16 irq, unsigned bank_base)
> +{
> + u8 bank = irq / IRQ_PER_BANK;
> +
> + return sunxi_irq_ctrl_reg_from_bank(bank, bank_base);
> +}
> +
> +static inline u32 sunxi_irq_ctrl_offset(u16 irq)
> +{
> + u32 irq_num = irq % IRQ_CTRL_IRQ_PER_REG;
> + return irq_num * IRQ_CTRL_IRQ_BITS;
> +}
> +
> +static inline u32 sunxi_irq_status_reg_from_bank(u8 bank, unsigned bank_base)
> +{
> + return IRQ_STATUS_REG + (bank_base + bank) * IRQ_MEM_SIZE;
> +}
> +
> +static inline u32 sunxi_irq_status_reg(u16 irq, unsigned bank_base)
> +{
> + u8 bank = irq / IRQ_PER_BANK;
> +
> + return sunxi_irq_status_reg_from_bank(bank, bank_base);
> +}
> +
> +static inline u32 sunxi_irq_status_offset(u16 irq)
> +{
> + u32 irq_num = irq % IRQ_STATUS_IRQ_PER_REG;
> + return irq_num * IRQ_STATUS_IRQ_BITS;
> +}
> +
> +#ifndef __UBOOT__
> +int sunxi_pinctrl_init(struct platform_device *pdev,
> + const struct sunxi_pinctrl_desc *desc);
> +#endif
> +
> +#endif /* __PINCTRL_SUNXI_H */
> --
> 1.9.1
>
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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