[PATCH 4/5] pinctrl: qcom: Add pinctrl driver for SM6115 SoC

[Bhupesh Sharma]

Currently this pinctrl driver only supports debug UART
specific pin configuration.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma at linaro.org>
---
 arch/arm/mach-snapdragon/Makefile             |  1 +
 .../arm/mach-snapdragon/pinctrl-qrb4210-rb2.c | 59 +++++++++++++++++++
 arch/arm/mach-snapdragon/pinctrl-snapdragon.c |  1 +
 arch/arm/mach-snapdragon/pinctrl-snapdragon.h |  1 +
 4 files changed, 62 insertions(+)
 create mode 100644 arch/arm/mach-snapdragon/pinctrl-qrb4210-rb2.c

diff --git a/arch/arm/mach-snapdragon/Makefile b/arch/arm/mach-snapdragon/Makefile
index 23aa1a974c..4ee6a3902e 100644
--- a/arch/arm/mach-snapdragon/Makefile
+++ b/arch/arm/mach-snapdragon/Makefile
@@ -16,6 +16,7 @@ obj-y += pinctrl-snapdragon.o
 obj-y += pinctrl-apq8016.o
 obj-y += pinctrl-apq8096.o
 obj-y += pinctrl-qcs404.o
+obj-y += pinctrl-qrb4210-rb2.o
 obj-y += pinctrl-sdm845.o
 obj-$(CONFIG_TARGET_QCS404EVB) += clock-qcs404.o
 obj-$(CONFIG_TARGET_QCS404EVB) += sysmap-qcs404.o
diff --git a/arch/arm/mach-snapdragon/pinctrl-qrb4210-rb2.c b/arch/arm/mach-snapdragon/pinctrl-qrb4210-rb2.c
new file mode 100644
index 0000000000..a8ab67f20a
--- /dev/null
+++ b/arch/arm/mach-snapdragon/pinctrl-qrb4210-rb2.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm SM6115 pinctrl
+ *
+ * (C) Copyright 2023 Bhupesh Sharma <bhupesh.sharma at linaro.org>
+ *
+ */
+
+#include "pinctrl-snapdragon.h"
+#include <common.h>
+
+#define MAX_PIN_NAME_LEN 32
+static char pin_name[MAX_PIN_NAME_LEN] __section(".data");
+
+static const char * const msm_pinctrl_pins[] = {
+	"UFS_RESET",
+	"SDC1_RCLK",
+	"SDC1_CLK",
+	"SDC1_CMD",
+	"SDC1_DATA",
+	"SDC2_CLK",
+	"SDC2_CMD",
+	"SDC2_DATA",
+};
+
+static const struct pinctrl_function msm_pinctrl_functions[] = {
+	{"qup4", 1},
+	{"gpio", 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)
+{
+	if (selector < 113) {
+		snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
+		return pin_name;
+	} else {
+		return msm_pinctrl_pins[selector - 113];
+	}
+}
+
+static unsigned int sm6115_get_function_mux(unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].val;
+}
+
+struct msm_pinctrl_data sm6115_data = {
+	.pin_count = 120,
+	.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,
+};
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
index 826dc51486..e7efb5b29f 100644
--- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
+++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
@@ -151,6 +151,7 @@ static const struct udevice_id msm_pinctrl_ids[] = {
 	{ .compatible = "qcom,msm8916-pinctrl", .data = (ulong)&apq8016_data },
 	{ .compatible = "qcom,msm8996-pinctrl", .data = (ulong)&apq8096_data },
 	{ .compatible = "qcom,sdm845-pinctrl", .data = (ulong)&sdm845_data },
+	{ .compatible = "qcom,sm6115-pinctrl", .data = (ulong)&sm6115_data },
 	{ .compatible = "qcom,qcs404-pinctrl", .data = (ulong)&qcs404_data },
 	{ }
 };
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
index 178ee01a41..7f543b0f5a 100644
--- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
+++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
@@ -28,6 +28,7 @@ struct pinctrl_function {
 extern struct msm_pinctrl_data apq8016_data;
 extern struct msm_pinctrl_data apq8096_data;
 extern struct msm_pinctrl_data sdm845_data;
+extern struct msm_pinctrl_data sm6115_data;
 extern struct msm_pinctrl_data qcs404_data;
 
 #endif
-- 
2.38.1