Add a driver for Qualcomm's sc7180 pinctrl device (TLMM). This is
largely a copy of a similar driver in U-Boot along with reference to the
Linux driver to fix up the data properly.
Signed-off-by: Stephen Boyd <swb...@chromium.org>
---
drivers/pinctrl/qcom/Kconfig | 8 ++
drivers/pinctrl/qcom/Makefile | 1 +
drivers/pinctrl/qcom/pinctrl-sc7180.c | 131 ++++++++++++++++++++++++++
3 files changed, 140 insertions(+)
create mode 100644 drivers/pinctrl/qcom/pinctrl-sc7180.c
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index e567cb113a31..0617443d4db0 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -55,11 +55,19 @@ config PINCTRL_QCOM_SA8775P
Say Y here to enable support for pinctrl on the Snapdragon SA8775P
SoC,
as well as the associated GPIO driver.
+config PINCTRL_QCOM_SC7180
+ bool "Qualcomm SC7180 Pinctrl"
+ select PINCTRL_QCOM
+ help
+ Say Y here to enable support for pinctrl on the Snapdragon SC7180 SoC,
+ as well as the associated GPIO driver.
+
config PINCTRL_QCOM_SC7280
bool "Qualcomm SC7280/QCM6490 Pinctrl"
select PINCTRL_QCOM
help
Say Y here to enable support for pinctrl on the Snapdragon SC7280 SoC,
+ as well as the associated GPIO driver.
config PINCTRL_QCOM_SDM660
bool "Qualcomm SDM630/660 Pinctrl"
diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
index 6ffc6d48c155..8e3e377fa184 100644
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -10,6 +10,7 @@ obj-$(CONFIG_PINCTRL_QCOM_APQ8096) += pinctrl-apq8096.o
obj-$(CONFIG_PINCTRL_QCOM_QCM2290) += pinctrl-qcm2290.o
obj-$(CONFIG_PINCTRL_QCOM_QCS404) += pinctrl-qcs404.o
obj-$(CONFIG_PINCTRL_QCOM_SA8775P) += pinctrl-sa8775p.o
+obj-$(CONFIG_PINCTRL_QCOM_SC7180) += pinctrl-sc7180.o
obj-$(CONFIG_PINCTRL_QCOM_SC7280) += pinctrl-sc7280.o
obj-$(CONFIG_PINCTRL_QCOM_SDM660) += pinctrl-sdm660.o
obj-$(CONFIG_PINCTRL_QCOM_SDM845) += pinctrl-sdm845.o
diff --git a/drivers/pinctrl/qcom/pinctrl-sc7180.c
b/drivers/pinctrl/qcom/pinctrl-sc7180.c
new file mode 100644
index 000000000000..3e4098a713ae
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-sc7180.c
@@ -0,0 +1,131 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm SC7180 pinctrl
+ */
+
+#include <dm.h>
+
+#include "pinctrl-qcom.h"
+
+#define WEST 0x00000000
+#define NORTH 0x00400000
+#define SOUTH 0x00800000
+
+#define MAX_PIN_NAME_LEN 32
+static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
+
+static const struct pinctrl_function msm_pinctrl_functions[] = {
+ {"qup12", 1},
+ {"gpio", 0},
+};
+
+static const unsigned int sc7180_pin_offsets[] = {
+ [0] = SOUTH, [1] = SOUTH, [2] = SOUTH, [3] = SOUTH, [4] = NORTH,
+ [5] = NORTH, [6] = NORTH, [7] = NORTH, [8] = NORTH, [9] = NORTH,
+ [10] = NORTH, [11] = NORTH, [12] = SOUTH, [13] = SOUTH, [14] = SOUTH,
+ [15] = SOUTH, [16] = SOUTH, [17] = SOUTH, [18] = SOUTH, [19] = SOUTH,
+ [20] = SOUTH, [21] = NORTH, [22] = NORTH, [23] = SOUTH, [24] = SOUTH,
+ [25] = SOUTH, [26] = SOUTH, [27] = SOUTH, [28] = SOUTH, [29] = NORTH,
+ [30] = SOUTH, [31] = NORTH, [32] = NORTH, [33] = NORTH, [34] = SOUTH,
+ [35] = SOUTH, [36] = SOUTH, [37] = SOUTH, [38] = SOUTH, [39] = SOUTH,
+ [40] = SOUTH, [41] = SOUTH, [42] = NORTH, [43] = NORTH, [44] = NORTH,
+ [45] = NORTH, [46] = NORTH, [47] = NORTH, [48] = NORTH, [49] = WEST,
+ [50] = WEST, [51] = WEST, [52] = WEST, [53] = WEST, [54] = WEST,
+ [55] = WEST, [56] = WEST, [57] = WEST, [58] = WEST, [59] = NORTH,
+ [60] = NORTH, [61] = NORTH, [62] = NORTH, [63] = NORTH, [64] = NORTH,
+ [65] = NORTH, [66] = NORTH, [67] = NORTH, [68] = NORTH, [69] = WEST,
+ [70] = NORTH, [71] = NORTH, [72] = NORTH, [73] = WEST, [74] = WEST,
+ [75] = WEST, [76] = WEST, [77] = WEST, [78] = WEST, [79] = WEST,
+ [80] = WEST, [81] = WEST, [82] = WEST, [83] = WEST, [84] = WEST,
+ [85] = WEST, [86] = NORTH, [87] = NORTH, [88] = NORTH, [89] = NORTH,
+ [90] = NORTH, [91] = NORTH, [92] = NORTH, [93] = NORTH, [94] = SOUTH,
+ [95] = WEST, [96] = WEST, [97] = WEST, [98] = WEST, [99] = WEST,
+ [100] = WEST, [101] = NORTH, [102] = NORTH, [103] = NORTH, [104] = WEST,
+ [105] = NORTH, [106] = NORTH, [107] = WEST, [108] = SOUTH, [109] =
SOUTH,
+ [110] = NORTH, [111] = NORTH, [112] = NORTH, [113] = NORTH, [114] =
NORTH,
+ [115] = WEST, [116] = WEST, [117] = WEST, [118] = WEST,
+};
+
+#define SDC_PINGROUP(pg_name, ctl, pull, drv) \
+ { \
+ .name = pg_name, \
+ .ctl_reg = ctl, \
+ .io_reg = 0, \
+ .pull_bit = pull, \
+ .drv_bit = drv, \
+ .oe_bit = -1, \
+ .in_bit = -1, \
+ .out_bit = -1, \
+ }
+
+#define UFS_RESET(pg_name, offset) \
+ { \
+ .name = pg_name, \
+ .ctl_reg = offset, \
+ .io_reg = offset + 0x4, \
+ .pull_bit = 3, \
+ .drv_bit = 0, \
+ .oe_bit = -1, \
+ .in_bit = -1, \
+ .out_bit = 0, \
+ }
+
+static const struct msm_special_pin_data msm_special_pins_data[] = {
+ [0] = UFS_RESET("ufs_reset", 0x7f000),
+ [1] = SDC_PINGROUP("sdc1_rclk", 0x7a000, 15, 0),
+ [2] = SDC_PINGROUP("sdc1_clk", 0x7a000, 13, 6),
+ [3] = SDC_PINGROUP("sdc1_cmd", 0x7a000, 11, 3),
+ [4] = SDC_PINGROUP("sdc1_data", 0x7a000, 9, 0),
+ [5] = SDC_PINGROUP("sdc2_clk", 0x7b000, 14, 6),
+ [6] = SDC_PINGROUP("sdc2_cmd", 0x7b000, 11, 3),
+ [7] = SDC_PINGROUP("sdc2_data", 0x7b000, 9, 0),
+};
+
+static const char *sc7180_get_function_name(struct udevice *dev,
+ unsigned int selector)
+{
+ return msm_pinctrl_functions[selector].name;
+}
+
+static const char *sc7180_get_pin_name(struct udevice *dev,
+ unsigned int selector)
+{
+ if (selector >= 119 && selector <= 126)
+ snprintf(pin_name, MAX_PIN_NAME_LEN,
+ msm_special_pins_data[selector - 119].name);
+ else
+ snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
+
+ return pin_name;
+}
+
+static int sc7180_get_function_mux(__maybe_unused unsigned int pin, unsigned
int selector)
+{
+ return msm_pinctrl_functions[selector].val;
+}
+
+static const struct msm_pinctrl_data sc7180_data = {
+ .pin_data = {
+ .pin_offsets = sc7180_pin_offsets,
+ .pin_count = 127,
+ .special_pins_start = 119,
+ .special_pins_data = msm_special_pins_data,
+ },
+ .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+ .get_function_name = sc7180_get_function_name,
+ .get_function_mux = sc7180_get_function_mux,
+ .get_pin_name = sc7180_get_pin_name,
+};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+ { .compatible = "qcom,sc7180-pinctrl", .data = (ulong)&sc7180_data },
+ { /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_sc7180) = {
+ .name = "pinctrl_sc7180",
+ .id = UCLASS_NOP,
+ .of_match = msm_pinctrl_ids,
+ .ops = &msm_pinctrl_ops,
+ .bind = msm_pinctrl_bind,
+};
--
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