pinctrl: qcom: add SM7150 pinctrl driver

This SoC features a pinctrl block with north, south, and west tiles
accessible to the AP.

Signed-off-by: Danila Tikhonov <danila@jiaxyga.com>
Co-developed-by: Jens Reidel <adrian@mainlining.org>
Signed-off-by: Jens Reidel <adrian@mainlining.org>
Link: https://lore.kernel.org/r/20250831004602.699953-3-adrian@mainlining.org
Signed-off-by: Casey Connolly <kcxt@postmarketos.org>

drivers/pinctrl/qcom/Kconfig

@@ -101,6 +101,12 @@ config PINCTRL_QCOM_SM6350
 	select PINCTRL_QCOM
 	help
 	  Say Y here to enable support for pinctrl on the Snapdragon SM6350 SoC,
+
+config PINCTRL_QCOM_SM7150
+	bool "Qualcomm SM7150 GCC"
+	select PINCTRL_QCOM
+	help
+	  Say Y here to enable support for pinctrl on the Snapdragon SM7150 SoC,
 	  as well as the associated GPIO driver.
 
 config PINCTRL_QCOM_SM8150

drivers/pinctrl/qcom/Makefile

@@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_QCOM_SDM670) += pinctrl-sdm670.o
 obj-$(CONFIG_PINCTRL_QCOM_SDM845) += pinctrl-sdm845.o
 obj-$(CONFIG_PINCTRL_QCOM_SM6115) += pinctrl-sm6115.o
 obj-$(CONFIG_PINCTRL_QCOM_SM6350) += pinctrl-sm6350.o
+obj-$(CONFIG_PINCTRL_QCOM_SM7150) += pinctrl-sm7150.o
 obj-$(CONFIG_PINCTRL_QCOM_SM8150) += pinctrl-sm8150.o
 obj-$(CONFIG_PINCTRL_QCOM_SM8250) += pinctrl-sm8250.o
 obj-$(CONFIG_PINCTRL_QCOM_SM8550) += pinctrl-sm8550.o

drivers/pinctrl/qcom/pinctrl-sm7150.c

@@ -0,0 +1,142 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Pinctrl driver for Qualcomm SM7150
+ *
+ * (C) Copyright 2025 Danila Tikhonov <danila@jiaxyga.com>
+ * (C) Copyright 2025 Jens Reidel <adrian@mainlining.org>
+ *
+ * Based on Linux Kernel driver
+ */
+
+#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 },
+	{ "sdc2_clk", 0 } /* special pin GPIO124 */
+};
+
+#define SDC_QDSD_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", 0x9f000),
+	[1] = SDC_QDSD_PINGROUP("sdc1_rclk", WEST + 0x9a000, 15, 0),
+	[2] = SDC_QDSD_PINGROUP("sdc1_clk", WEST + 0x9a000, 13, 6),
+	[3] = SDC_QDSD_PINGROUP("sdc1_cmd", WEST + 0x9a000, 11, 3),
+	[4] = SDC_QDSD_PINGROUP("sdc1_data", WEST + 0x9a000, 9, 0),
+	[5] = SDC_QDSD_PINGROUP("sdc2_clk", SOUTH + 0x98000, 14, 6),
+	[6] = SDC_QDSD_PINGROUP("sdc2_cmd", SOUTH + 0x98000, 11, 3),
+	[7] = SDC_QDSD_PINGROUP("sdc2_data", SOUTH + 0x98000, 9, 0),
+};
+
+static const unsigned int sm7150_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] = SOUTH,	[22] = SOUTH,	[23] = SOUTH,
+	[24] = SOUTH,	[25] = SOUTH,	[26] = SOUTH,	[27] = SOUTH,
+	[28] = SOUTH,	[29] = NORTH,	[30] = SOUTH,	[31] = WEST,
+	[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] = WEST,	[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] = NORTH,	[70] = NORTH,	[71] = NORTH,
+	[72] = NORTH,	[73] = NORTH,	[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] = NORTH,
+	[116] = NORTH,	[117] = NORTH,	[118] = NORTH,
+};
+
+static const char *sm7150_get_function_name(struct udevice *dev, unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].name;
+}
+
+static const char *sm7150_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 sm7150_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].val;
+}
+
+static struct msm_pinctrl_data sm7150_data = {
+	.pin_data = {
+		.pin_offsets = sm7150_pin_offsets,
+		.pin_count = 126,
+		.special_pins_start = 119,
+		.special_pins_data = msm_special_pins_data,
+	},
+	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+	.get_function_name = sm7150_get_function_name,
+	.get_function_mux = sm7150_get_function_mux,
+	.get_pin_name = sm7150_get_pin_name,
+};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+	{ .compatible = "qcom,sm7150-tlmm", .data = (ulong)&sm7150_data },
+	{ /* sentinel */ }
+};
+
+U_BOOT_DRIVER(pinctrl_sm7150) = {
+	.name		= "pinctrl_sm7150",
+	.id		= UCLASS_NOP,
+	.of_match	= msm_pinctrl_ids,
+	.ops		= &msm_pinctrl_ops,
+	.bind		= msm_pinctrl_bind,
+};