There is no response from previous post, I think this patch is not reached to
suitable person and not reviewed yet.

axp313a code is a part of power/sunxi. This is needed for Mango Pi MQ-Quad
and Orange Pi Zero3.


From 9127de42691f86ef5ed22dcf5fa0b44b03288a07 Mon Sep 17 00:00:00 2001
From: SASANO Takayoshi <u...@uaa.org.uk>
Date: Thu, 13 Jul 2023 20:41:40 +0900
Subject: [PATCH] add axp313a support

Signed-off-by: SASANO Takayoshi <u...@uaa.org.uk>
---

 arch/arm/mach-sunxi/pmic_bus.c |   4 +-
 board/sunxi/board.c            |   9 +-
 drivers/power/Kconfig          |  16 ++-
 drivers/power/Makefile         |   1 +
 drivers/power/axp313a.c        | 171 +++++++++++++++++++++++++++++++++
 drivers/power/pmic/axp.c       |   1 +
 include/axp313a.h              |  31 ++++++
 include/axp_pmic.h             |   2 +
 8 files changed, 226 insertions(+), 9 deletions(-)
 create mode 100644 drivers/power/axp313a.c
 create mode 100644 include/axp313a.h

diff --git a/arch/arm/mach-sunxi/pmic_bus.c b/arch/arm/mach-sunxi/pmic_bus.c
index c090840637..3e7bb5a5d1 100644
--- a/arch/arm/mach-sunxi/pmic_bus.c
+++ b/arch/arm/mach-sunxi/pmic_bus.c
@@ -21,7 +21,7 @@
 
 #define AXP209_I2C_ADDR                        0x34
 
-#define AXP305_I2C_ADDR                        0x36
+#define AXP305_I2C_ADDR                        0x36 /* AXP305 and AXP313A */
 
 #define AXP221_CHIP_ADDR               0x68
 
@@ -32,7 +32,7 @@ static int pmic_i2c_address(void)
 {
        if (IS_ENABLED(CONFIG_AXP152_POWER))
                return AXP152_I2C_ADDR;
-       if (IS_ENABLED(CONFIG_AXP305_POWER))
+       if (IS_ENABLED(CONFIG_AXP305_POWER) || IS_ENABLED(CONFIG_AXP313A_POWER))
                return AXP305_I2C_ADDR;
 
        /* Other AXP2xx and AXP8xx variants */
diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index f321cd58a6..9b0069cd52 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -584,6 +584,7 @@ void sunxi_board_init(void)
 
 #if defined CONFIG_AXP152_POWER || defined CONFIG_AXP209_POWER || \
        defined CONFIG_AXP221_POWER || defined CONFIG_AXP305_POWER || \
+       defined CONFIG_AXP313A_POWER || \
        defined CONFIG_AXP809_POWER || defined CONFIG_AXP818_POWER
        power_failed = axp_init();
 
@@ -605,7 +606,8 @@ void sunxi_board_init(void)
        power_failed |= axp_set_dcdc2(CONFIG_AXP_DCDC2_VOLT);
        power_failed |= axp_set_dcdc3(CONFIG_AXP_DCDC3_VOLT);
 #endif
-#if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER)
+#if !defined(CONFIG_AXP209_POWER) && !defined(CONFIG_AXP818_POWER) && \
+       !defined(CONFIG_AXP313A_POWER)
        power_failed |= axp_set_dcdc4(CONFIG_AXP_DCDC4_VOLT);
 #endif
 #if defined CONFIG_AXP221_POWER || defined CONFIG_AXP809_POWER || \
@@ -617,10 +619,11 @@ void sunxi_board_init(void)
        defined CONFIG_AXP818_POWER
        power_failed |= axp_set_aldo1(CONFIG_AXP_ALDO1_VOLT);
 #endif
-#if !defined(CONFIG_AXP305_POWER)
+#if !defined(CONFIG_AXP305_POWER) && !defined(CONFIG_AXP313A_POWER)
        power_failed |= axp_set_aldo2(CONFIG_AXP_ALDO2_VOLT);
 #endif
-#if !defined(CONFIG_AXP152_POWER) && !defined(CONFIG_AXP305_POWER)
+#if !defined(CONFIG_AXP152_POWER) && !defined(CONFIG_AXP305_POWER) && \
+       !defined(CONFIG_AXP313A_POWER)
        power_failed |= axp_set_aldo3(CONFIG_AXP_ALDO3_VOLT);
 #endif
 #ifdef CONFIG_AXP209_POWER
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 7f3b990d23..12189eec9f 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -101,6 +101,14 @@ config AXP305_POWER
        Select this to enable support for the axp305 pmic found on most
        H616 boards.
 
+config AXP313A_POWER
+       bool "axp313a pmic support"
+       select AXP_PMIC_BUS
+       select CMD_POWEROFF
+       ---help---
+       Select this to enable support for the axp313a pmic found on some
+       H616 boards.
+
 config AXP809_POWER
        bool "axp809 pmic support"
        depends on MACH_SUN9I
@@ -143,8 +151,8 @@ config AXP_DCDC1_VOLT
 
 config AXP_DCDC2_VOLT
        int "axp pmic dcdc2 voltage"
-       depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER 
|| AXP818_POWER
-       default 900 if AXP818_POWER
+       depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER 
|| AXP818_POWER || AXP313A_POWER
+       default 900 if AXP818_POWER || AXP313A_POWER
        default 1400 if AXP152_POWER || AXP209_POWER
        default 1200 if MACH_SUN6I
        default 1100 if MACH_SUN8I
@@ -161,8 +169,8 @@ config AXP_DCDC2_VOLT
 
 config AXP_DCDC3_VOLT
        int "axp pmic dcdc3 voltage"
-       depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER 
|| AXP818_POWER
-       default 900 if AXP809_POWER || AXP818_POWER
+       depends on AXP152_POWER || AXP209_POWER || AXP221_POWER || AXP809_POWER 
|| AXP818_POWER || AXP313A_POWER
+       default 900 if AXP809_POWER || AXP818_POWER || AXP313A_POWER
        default 1500 if AXP152_POWER
        default 1250 if AXP209_POWER
        default 1100 if MACH_SUN8I_R40
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index ba64b2c593..f851f4a94e 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_AXP152_POWER)    += axp152.o
 obj-$(CONFIG_AXP209_POWER)     += axp209.o
 obj-$(CONFIG_AXP221_POWER)     += axp221.o
 obj-$(CONFIG_AXP305_POWER)     += axp305.o
+obj-$(CONFIG_AXP313A_POWER)    += axp313a.o
 obj-$(CONFIG_AXP809_POWER)     += axp809.o
 obj-$(CONFIG_AXP818_POWER)     += axp818.o
 obj-$(CONFIG_EXYNOS_TMU)       += exynos-tmu.o
diff --git a/drivers/power/axp313a.c b/drivers/power/axp313a.c
new file mode 100644
index 0000000000..90be8942bb
--- /dev/null
+++ b/drivers/power/axp313a.c
@@ -0,0 +1,171 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * AXP313A driver based on AXP221 driver
+ *
+ *
+ * (C) Copyright 2023 SASANO Takayoshi <u...@uaa.org.uk>
+ *
+ * Based on axp221.c
+ * (C) Copyright 2014 Hans de Goede <hdego...@redhat.com>
+ * (C) Copyright 2013 Oliver Schinagl <oli...@schinagl.nl>
+ */
+
+#include <common.h>
+#include <command.h>
+#include <errno.h>
+#include <asm/arch/pmic_bus.h>
+#include <axp_pmic.h>
+
+static u8 axp313a_mvolt_to_cfg(int mvolt, int min, int max, int div)
+{
+       if (mvolt < min)
+               mvolt = min;
+       else if (mvolt > max)
+               mvolt = max;
+
+       return (mvolt - min) / div;
+}
+
+int axp_set_dcdc1(unsigned int mvolt)
+{
+       int ret;
+       u8 cfg;
+
+       if (mvolt >= 1600)
+               cfg = 88 + axp313a_mvolt_to_cfg(mvolt, 1600, 3400, 100);
+       else if (mvolt >= 1220)
+               cfg = 71 + axp313a_mvolt_to_cfg(mvolt, 1220, 1540, 20);
+       else
+               cfg = axp313a_mvolt_to_cfg(mvolt, 500, 1200, 10);
+
+       if (mvolt == 0)
+               return pmic_bus_clrbits(AXP313A_OUTPUT_CTRL,
+                                       AXP313A_OUTPUT_CTRL_DCDC1);
+
+       ret = pmic_bus_write(AXP313A_DCDC1_CTRL, cfg);
+       if (ret)
+               return ret;
+
+       return pmic_bus_setbits(AXP313A_OUTPUT_CTRL,
+                               AXP313A_OUTPUT_CTRL_DCDC1);
+}
+
+int axp_set_dcdc2(unsigned int mvolt)
+{
+       int ret;
+       u8 cfg;
+
+       if (mvolt >= 1220)
+               cfg = 71 + axp313a_mvolt_to_cfg(mvolt, 1220, 1540, 20);
+       else
+               cfg = axp313a_mvolt_to_cfg(mvolt, 500, 1200, 10);
+
+       if (mvolt == 0)
+               return pmic_bus_clrbits(AXP313A_OUTPUT_CTRL,
+                                       AXP313A_OUTPUT_CTRL_DCDC2);
+
+       ret = pmic_bus_write(AXP313A_DCDC2_CTRL, cfg);
+       if (ret)
+               return ret;
+
+       return pmic_bus_setbits(AXP313A_OUTPUT_CTRL,
+                               AXP313A_OUTPUT_CTRL_DCDC2);
+}
+
+int axp_set_dcdc3(unsigned int mvolt)
+{
+       int ret;
+       u8 cfg;
+
+       if (mvolt >= 1220)
+               cfg = 71 + axp313a_mvolt_to_cfg(mvolt, 1220, 1840, 20);
+       else
+               cfg = axp313a_mvolt_to_cfg(mvolt, 500, 1200, 10);
+
+       if (mvolt == 0)
+               return pmic_bus_clrbits(AXP313A_OUTPUT_CTRL,
+                                       AXP313A_OUTPUT_CTRL_DCDC3);
+
+       ret = pmic_bus_write(AXP313A_DCDC3_CTRL, cfg);
+       if (ret)
+               return ret;
+
+       return pmic_bus_setbits(AXP313A_OUTPUT_CTRL,
+                               AXP313A_OUTPUT_CTRL_DCDC3);
+}
+
+int axp_set_aldo1(unsigned int mvolt)
+{
+       int ret;
+       u8 cfg = axp313a_mvolt_to_cfg(mvolt, 500, 3500, 100);
+
+       if (mvolt == 0)
+               return pmic_bus_clrbits(AXP313A_OUTPUT_CTRL,
+                                       AXP313A_OUTPUT_CTRL_ALDO1);
+
+       ret = pmic_bus_write(AXP313A_ALDO1_CTRL, cfg);
+       if (cfg)
+               return ret;
+
+       return pmic_bus_setbits(AXP313A_OUTPUT_CTRL,
+                               AXP313A_OUTPUT_CTRL_ALDO1);
+}
+
+int axp_set_dldo(int dldo_num, unsigned int mvolt)
+{
+       int ret;
+       u8 cfg = axp313a_mvolt_to_cfg(mvolt, 500, 3500, 100);
+
+       if (dldo_num != 1)
+               return -EINVAL;
+
+       if (mvolt == 0)
+               return pmic_bus_clrbits(AXP313A_OUTPUT_CTRL,
+                                       AXP313A_OUTPUT_CTRL_DLDO1);
+
+       ret = pmic_bus_write(AXP313A_DLDO1_CTRL, cfg);
+       if (cfg)
+               return ret;
+
+       return pmic_bus_setbits(AXP313A_OUTPUT_CTRL,
+                               AXP313A_OUTPUT_CTRL_DLDO1);
+}
+
+int axp_init(void)
+{
+       int ret;
+       u8 axp_chip_id;
+
+       ret = pmic_bus_init();
+       if (ret)
+               return ret;
+
+       ret = pmic_bus_read(AXP313A_CHIP_VERSION, &axp_chip_id);
+       if (ret)
+               return ret;
+
+       axp_chip_id &= AXP313A_CHIP_VERSION_MASK;
+       switch (axp_chip_id) {
+       case AXP313A_CHIP_VERSION_AXP1530:
+       case AXP313A_CHIP_VERSION_AXP313A:
+       case AXP313A_CHIP_VERSION_AXP313B:
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return ret;
+}
+
+#if !IS_ENABLED(CONFIG_SYSRESET_CMD_POWEROFF)
+int do_poweroff(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
+{
+       pmic_bus_write(AXP313A_SHUTDOWN, AXP313A_POWEROFF);
+
+       /* infinite loop during shutdown */
+       while (1);
+
+       /* not reached */
+       return 0;
+}
+#endif
diff --git a/drivers/power/pmic/axp.c b/drivers/power/pmic/axp.c
index 025dac24f2..d23c16d996 100644
--- a/drivers/power/pmic/axp.c
+++ b/drivers/power/pmic/axp.c
@@ -87,6 +87,7 @@ static const struct udevice_id axp_pmic_ids[] = {
        { .compatible = "x-powers,axp209", .data = AXP209_ID },
        { .compatible = "x-powers,axp221", .data = AXP221_ID },
        { .compatible = "x-powers,axp223", .data = AXP223_ID },
+       { .compatible = "x-powers,axp313a", .data = AXP313A_ID },
        { .compatible = "x-powers,axp803", .data = AXP803_ID },
        { .compatible = "x-powers,axp806", .data = AXP806_ID },
        { .compatible = "x-powers,axp809", .data = AXP809_ID },
diff --git a/include/axp313a.h b/include/axp313a.h
new file mode 100644
index 0000000000..a61a11a53c
--- /dev/null
+++ b/include/axp313a.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2023 SASANO Takayoshi <u...@uaa.org.uk>
+ */
+
+enum axp313a_reg {
+       AXP313A_POWER_STATUS = 0x00,
+       AXP313A_CHIP_VERSION = 0x03,
+       AXP313A_OUTPUT_CTRL = 0x10,
+       AXP313A_DCDC1_CTRL = 0x13,
+       AXP313A_DCDC2_CTRL = 0x14,
+       AXP313A_DCDC3_CTRL = 0x15,
+       AXP313A_ALDO1_CTRL = 0x16,
+       AXP313A_DLDO1_CTRL = 0x17,
+       AXP313A_SHUTDOWN = 0x1a,
+       AXP313A_IRQ_ENABLE = 0x20,
+       AXP313A_IRQ_STATUS = 0x21,
+};
+
+#define AXP313A_CHIP_VERSION_MASK      0xcf
+#define AXP313A_CHIP_VERSION_AXP1530   0x48
+#define AXP313A_CHIP_VERSION_AXP313A   0x4b
+#define AXP313A_CHIP_VERSION_AXP313B   0x4c
+
+#define AXP313A_OUTPUT_CTRL_DCDC1      BIT(0)
+#define AXP313A_OUTPUT_CTRL_DCDC2      BIT(1)
+#define AXP313A_OUTPUT_CTRL_DCDC3      BIT(2)
+#define AXP313A_OUTPUT_CTRL_ALDO1      BIT(3)
+#define AXP313A_OUTPUT_CTRL_DLDO1      BIT(4)
+
+#define AXP313A_POWEROFF               BIT(7)
diff --git a/include/axp_pmic.h b/include/axp_pmic.h
index 4ac6486583..9b6d7d900c 100644
--- a/include/axp_pmic.h
+++ b/include/axp_pmic.h
@@ -13,6 +13,7 @@
 #include <axp209.h>
 #include <axp221.h>
 #include <axp305.h>
+#include <axp313a.h>
 #include <axp809.h>
 #include <axp818.h>
 
@@ -32,6 +33,7 @@ enum {
        AXP209_ID,
        AXP221_ID,
        AXP223_ID,
+       AXP313A_ID,
        AXP803_ID,
        AXP806_ID,
        AXP809_ID,
-- 
2.30.2

-- 
SASANO Takayoshi (JG1UAA) <u...@uaa.org.uk>

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