pinctrl: qcom: add qcm2290 pinctrl driver

This SoC has a basic pinctrl block with no tiles.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>

diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index e0196a83e6073b94c6ea7079452116a3148e8bf4..de115bf06cbc47d034a11f4685c748131e8b4aa5 100644 (file)
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -27,6 +27,13 @@ config PINCTRL_QCOM_IPQ4019
          Say Y here to enable support for pinctrl on the IPQ4019 SoC,
          as well as the associated GPIO driver.
 
+config PINCTRL_QCOM_QCM2290
+       bool "Qualcomm QCM2290 GCC"
+       select PINCTRL_QCOM
+       help
+         Say Y here to enable support for pinctrl on the Snapdragon QCM2290 SoC,
+         as well as the associated GPIO driver.
+
 config PINCTRL_QCOM_QCS404
        bool "Qualcomm QCS404 GCC"
        select PINCTRL_QCOM

diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
index d83e89ef4f008bf655fe05366b5afec7534ebf7d..18da24782e6863f34b35626de230a5cd762e13fa 100644 (file)
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -6,6 +6,7 @@ obj-$(CONFIG_PINCTRL_QCOM) += pinctrl-qcom.o
 obj-$(CONFIG_PINCTRL_QCOM_APQ8016) += pinctrl-apq8016.o
 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_SM8550) += pinctrl-sm8550.o

diff --git a/drivers/pinctrl/qcom/pinctrl-qcm2290.c b/drivers/pinctrl/qcom/pinctrl-qcm2290.c
new file mode 100644 (file)
index 0000000..af969e1
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-qcm2290.c
@@ -0,0 +1,70 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm qcm2290 pinctrl
+ *
+ * (C) Copyright 2024 Linaro Ltd.
+ *
+ */
+
+#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[] = {
+       { "qup4", 1 },
+       { "gpio", 0 },
+};
+
+static const char *qcm2290_get_function_name(struct udevice *dev, unsigned int selector)
+{
+       return msm_pinctrl_functions[selector].name;
+}
+
+static const char *qcm2290_get_pin_name(struct udevice *dev, unsigned int selector)
+{
+       static const char *const special_pins_names[] = {
+               "sdc1_rclk", "sdc1_clk", "sdc1_cmd",  "sdc1_data",
+               "sdc2_clk",  "sdc2_cmd", "sdc2_data",
+       };
+
+       if (selector >= 127 && selector <= 133)
+               snprintf(pin_name, MAX_PIN_NAME_LEN, special_pins_names[selector - 127]);
+       else
+               snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
+
+       return pin_name;
+}
+
+static unsigned int qcm2290_get_function_mux(__maybe_unused unsigned int pin, unsigned int selector)
+{
+       return msm_pinctrl_functions[selector].val;
+}
+
+struct msm_pinctrl_data qcm2290_data = {
+       .pin_data = {
+               .pin_count = 133,
+               .special_pins_start = 127,
+       },
+       .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
+       .get_function_name = qcm2290_get_function_name,
+       .get_function_mux = qcm2290_get_function_mux,
+       .get_pin_name = qcm2290_get_pin_name,
+};
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+       {
+               .compatible = "qcom,qcm2290-tlmm",
+               .data = (ulong)&qcm2290_data
+       },
+       { /* Sentinel */ } };
+
+U_BOOT_DRIVER(pinctrl_qcm2290) = {
+       .name = "pinctrl_qcm2290",
+       .id = UCLASS_NOP,
+       .of_match = msm_pinctrl_ids,
+       .ops = &msm_pinctrl_ops,
+       .bind = msm_pinctrl_bind,
+};