pinctrl: qcom: add pinctrl and gpio drivers for SDM845 SoC

Signed-off-by: Dzmitry Sankouski <dsankouski@gmail.com>
Cc: Ramon Fried <rfried.dev@gmail.com>
Cc: Stephan Gerhold <stephan@gerhold.net>
[trini: Add CONFIG_SDM845 around sdm845_data usage]
diff --git a/arch/arm/mach-snapdragon/pinctrl-sdm845.c b/arch/arm/mach-snapdragon/pinctrl-sdm845.c
new file mode 100644
index 0000000..40f2f01
--- /dev/null
+++ b/arch/arm/mach-snapdragon/pinctrl-sdm845.c
@@ -0,0 +1,44 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm SDM845 pinctrl
+ *
+ * (C) Copyright 2021 Dzmitry Sankouski <dsankouski@gmail.com>
+ *
+ */
+
+#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 struct pinctrl_function msm_pinctrl_functions[] = {
+	{"qup9", 1},
+	{"gpio", 0},
+};
+
+static const char *sdm845_get_function_name(struct udevice *dev,
+					     unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].name;
+}
+
+static const char *sdm845_get_pin_name(struct udevice *dev,
+					unsigned int selector)
+{
+	snprintf(pin_name, MAX_PIN_NAME_LEN, "GPIO_%u", selector);
+	return pin_name;
+}
+
+static unsigned int sdm845_get_function_mux(unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].val;
+}
+
+struct msm_pinctrl_data sdm845_data = {
+	.pin_count = 150,
+	.functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+	.get_function_name = sdm845_get_function_name,
+	.get_function_mux = sdm845_get_function_mux,
+	.get_pin_name = sdm845_get_pin_name,
+};
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
index e6b87c3..d1c560d 100644
--- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
+++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
@@ -116,6 +116,9 @@
 static const struct udevice_id msm_pinctrl_ids[] = {
 	{ .compatible = "qcom,tlmm-apq8016", .data = (ulong)&apq8016_data },
 	{ .compatible = "qcom,tlmm-apq8096", .data = (ulong)&apq8096_data },
+#ifdef CONFIG_SDM845
+	{ .compatible = "qcom,tlmm-sdm845", .data = (ulong)&sdm845_data },
+#endif
 	{ }
 };
 
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
index 61d466f..ea52431 100644
--- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
+++ b/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
@@ -27,5 +27,6 @@
 
 extern struct msm_pinctrl_data apq8016_data;
 extern struct msm_pinctrl_data apq8096_data;
+extern struct msm_pinctrl_data sdm845_data;
 
 #endif