pinctrl: qcom: add qcm2290 pinctrl driver

This SoC has a basic pinctrl block with no tiles.

Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 2fe6398..35140ef 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -27,6 +27,13 @@
 	  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 6d9aca6..0b1d610 100644
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -6,5 +6,6 @@
 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
diff --git a/drivers/pinctrl/qcom/pinctrl-qcm2290.c b/drivers/pinctrl/qcom/pinctrl-qcm2290.c
new file mode 100644
index 0000000..fccfb33
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-qcm2290.c
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Qualcomm qcm2290 pinctrl
+ *
+ * (C) Copyright 2023 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[] = {
+	{"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)
+{
+	snprintf(pin_name, MAX_PIN_NAME_LEN, "gpio%u", selector);
+	return pin_name;
+}
+
+static unsigned int qcm2290_get_function_mux(unsigned int selector)
+{
+	return msm_pinctrl_functions[selector].val;
+}
+
+struct msm_pinctrl_data qcm2290_data = {
+	.pin_data = { .pin_count = 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 = "com,qcm2290-tlmm", .data = (ulong)&qcm2290_data },
+	{ /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_qcm2290) = {
+	.name		= "pinctrl_qcm2290",
+	.id		= UCLASS_NOP,
+	.of_match	= msm_pinctrl_ids,
+	.ops		= &msm_pinctrl_ops,
+	.bind		= msm_pinctrl_bind,
+};