pinctrl: qcom: Add SM8650 pinctrl driver
Add pinctrl driver for the TLMM block found in the SM8650 SoC.
This driver only handles the gpio and qup2_se7 pinmux, and makes sure
the pinconf applies on SDC2 pins.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/drivers/pinctrl/qcom/pinctrl-sm8650.c b/drivers/pinctrl/qcom/pinctrl-sm8650.c
new file mode 100644
index 0000000..932132f
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-sm8650.c
@@ -0,0 +1,75 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm sm8650 pinctrl
+ *
+ * (C) Copyright 2024 Linaro Ltd.
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+
+#include "pinctrl-qcom.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[] = {
+ {"qup2_se7", 1},
+ {"gpio", 0},
+};
+
+static const char *sm8650_get_function_name(struct udevice *dev,
+ unsigned int selector)
+{
+ return msm_pinctrl_functions[selector].name;
+}
+
+static const char *sm8650_get_pin_name(struct udevice *dev,
+ unsigned int selector)
+{
+ static const char *special_pins_names[] = {
+ "ufs_reset",
+ "sdc2_clk",
+ "sdc2_cmd",
+ "sdc2_data",
+ };
+
+ if (selector >= 210 && selector <= 213)
+ snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 210]);
+ else
+ snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
+
+ return pin_name;
+}
+
+static unsigned int sm8650_get_function_mux(__maybe_unused unsigned int pin,
+ unsigned int selector)
+{
+ return msm_pinctrl_functions[selector].val;
+}
+
+static struct msm_pinctrl_data sm8650_data = {
+ .pin_data = {
+ .pin_count = 214,
+ .special_pins_start = 210,
+ },
+ .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+ .get_function_name = sm8650_get_function_name,
+ .get_function_mux = sm8650_get_function_mux,
+ .get_pin_name = sm8650_get_pin_name,
+};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+ { .compatible = "qcom,sm8650-tlmm", .data = (ulong)&sm8650_data },
+ { /* Sentinel */ }
+};
+
+U_BOOT_DRIVER(pinctrl_sm8650) = {
+ .name = "pinctrl_sm8650",
+ .id = UCLASS_NOP,
+ .of_match = msm_pinctrl_ids,
+ .ops = &msm_pinctrl_ops,
+ .bind = msm_pinctrl_bind,
+};
+