[PATCH v2 2/4] pinctrl: qcom: add sm6115 pinctrl driver

[Caleb Connolly]

This SoC features a pinctrl block with west, east, and south tiles.

Signed-off-by: Caleb Connolly <caleb.connolly at linaro.org>
---
 drivers/pinctrl/qcom/Kconfig          |   7 ++
 drivers/pinctrl/qcom/Makefile         |   1 +
 drivers/pinctrl/qcom/pinctrl-sm6115.c | 200 ++++++++++++++++++++++++++++++++++
 3 files changed, 208 insertions(+)

diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 35140efd5b62..e7a9853ce47a 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -47,7 +47,14 @@ config PINCTRL_QCOM_SDM845
 	help
 	  Say Y here to enable support for pinctrl on the Snapdragon 845 SoC,
 	  as well as the associated GPIO driver.
 
+config PINCTRL_QCOM_SM6115
+	bool "Qualcomm SM6115 GCC"
+	select PINCTRL_QCOM
+	help
+	  Say Y here to enable support for pinctrl on the Snapdragon SM6115 SoC,
+	  as well as the associated GPIO driver.
+
 endmenu
 
 endif
diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
index 0b1d610ea3e8..f00c4e6e10cc 100644
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -8,4 +8,5 @@ obj-$(CONFIG_PINCTRL_QCOM_IPQ4019) += pinctrl-ipq4019.o
 obj-$(CONFIG_PINCTRL_QCOM_APQ8096) += pinctrl-apq8096.o
 obj-$(CONFIG_PINCTRL_QCOM_QCM2290) += pinctrl-qcm2290.o
 obj-$(CONFIG_PINCTRL_QCOM_QCS404) += pinctrl-qcs404.o
 obj-$(CONFIG_PINCTRL_QCOM_SDM845) += pinctrl-sdm845.o
+obj-$(CONFIG_PINCTRL_QCOM_SM6115) += pinctrl-sm6115.o
diff --git a/drivers/pinctrl/qcom/pinctrl-sm6115.c b/drivers/pinctrl/qcom/pinctrl-sm6115.c
new file mode 100644
index 000000000000..f07f39f4ac30
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-sm6115.c
@@ -0,0 +1,200 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm sm6115 pinctrl
+ *
+ * (C) Copyright 2024 Linaro Ltd.
+ *
+ */
+
+#include <dm.h>
+
+#include "pinctrl-qcom.h"
+
+#define WEST 0x00000000
+#define SOUTH 0x00400000
+#define EAST 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[] = {
+	{ "qup4", 1 },
+	{ "gpio", 0 },
+};
+
+static const unsigned int sm6115_pin_offsets[] = {
+	[0] = WEST,
+	[1] = WEST,
+	[2] = WEST,
+	[3] = WEST,
+	[4] = WEST,
+	[5] = WEST,
+	[6] = WEST,
+	[7] = WEST,
+	[8] = EAST,
+	[9] = EAST,
+	[10] = EAST,
+	[11] = EAST,
+	[12] = WEST,
+	[13] = WEST,
+	[14] = WEST,
+	[15] = WEST,
+	[16] = WEST,
+	[17] = WEST,
+	[18] = EAST,
+	[19] = EAST,
+	[20] = EAST,
+	[21] = EAST,
+	[22] = EAST,
+	[23] = EAST,
+	[24] = EAST,
+	[25] = EAST,
+	[26] = EAST,
+	[27] = EAST,
+	[28] = EAST,
+	[29] = EAST,
+	[30] = EAST,
+	[31] = EAST,
+	[32] = EAST,
+	[33] = EAST,
+	[34] = EAST,
+	[35] = EAST,
+	[36] = EAST,
+	[37] = EAST,
+	[38] = EAST,
+	[39] = EAST,
+	[40] = EAST,
+	[41] = EAST,
+	[42] = EAST,
+	[43] = EAST,
+	[44] = EAST,
+	[45] = EAST,
+	[46] = EAST,
+	[47] = EAST,
+	[48] = EAST,
+	[49] = EAST,
+	[50] = EAST,
+	[51] = EAST,
+	[52] = EAST,
+	[53] = EAST,
+	[54] = EAST,
+	[55] = EAST,
+	[56] = EAST,
+	[57] = EAST,
+	[58] = EAST,
+	[59] = EAST,
+	[60] = EAST,
+	[61] = EAST,
+	[62] = EAST,
+	[63] = EAST,
+	[64] = EAST,
+	[65] = WEST,
+	[66] = WEST,
+	[67] = WEST,
+	[68] = WEST,
+	[69] = WEST,
+	[70] = WEST,
+	[71] = WEST,
+	[72] = SOUTH,
+	[73] = SOUTH,
+	[74] = SOUTH,
+	[75] = SOUTH,
+	[76] = SOUTH,
+	[77] = SOUTH,
+	[78] = SOUTH,
+	[79] = SOUTH,
+	[80] = WEST,
+	[81] = WEST,
+	[82] = WEST,
+	[83] = WEST,
+	[84] = WEST,
+	[85] = WEST,
+	[86] = WEST,
+	[87] = EAST,
+	[88] = EAST,
+	[89] = WEST,
+	[90] = EAST,
+	[91] = EAST,
+	[92] = WEST,
+	[93] = WEST,
+	[94] = WEST,
+	[95] = WEST,
+	[96] = WEST,
+	[97] = WEST,
+	[98] = SOUTH,
+	[99] = SOUTH,
+	[100] = SOUTH,
+	[101] = SOUTH,
+	[102] = SOUTH,
+	[103] = SOUTH,
+	[104] = SOUTH,
+	[105] = SOUTH,
+	[106] = SOUTH,
+	[107] = SOUTH,
+	[108] = SOUTH,
+	[109] = SOUTH,
+	[110] = SOUTH,
+	[111] = SOUTH,
+	[112] = SOUTH,
+	/* Special pins */
+	[113] = 0,
+	[114] = 0,
+	[115] = 0,
+	[116] = 0,
+	[117] = 0,
+	[118] = 0,
+	[119] = 0,
+	[120] = 0,
+};
+
+static const char *sm6115_get_function_name(struct udevice *dev, unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].name;
+}
+
+static const char *sm6115_get_pin_name(struct udevice *dev, unsigned int selector)
+{
+	static const char *special_pins_names[] = {
+		"ufs_reset", "sdc1_rclk", "sdc1_clk", "sdc1_cmd",
+		"sdc1_data", "sdc2_clk",  "sdc2_cmd", "sdc2_data",
+	};
+
+	if (selector >= 113 && selector <= 120)
+		snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 113]);
+	else
+		snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
+
+	return pin_name;
+}
+
+static unsigned int sm6115_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].val;
+}
+
+struct msm_pinctrl_data sm6115_data = {
+	.pin_data = {
+		.pin_offsets = sm6115_pin_offsets,
+		.pin_count = ARRAY_SIZE(sm6115_pin_offsets),
+		.special_pins_start = 113,
+	},
+	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+	.get_function_name = sm6115_get_function_name,
+	.get_function_mux = sm6115_get_function_mux,
+	.get_pin_name = sm6115_get_pin_name,
+};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+	{
+		.compatible = "qcom,sm6115-tlmm",
+		.data = (ulong)&sm6115_data
+	},
+	{ /* Sentinel */ } };
+
+U_BOOT_DRIVER(pinctrl_sm6115) = {
+	.name = "pinctrl_sm6115",
+	.id = UCLASS_NOP,
+	.of_match = msm_pinctrl_ids,
+	.ops = &msm_pinctrl_ops,
+	.bind = msm_pinctrl_bind,
+};

-- 
2.44.0