Move the Qualcomm pinctrl drivers out of mach-snapdragon and over to the
rest of the pinctrl drivers, adjust the drivers so that support for each
platform can be enabled/disabled individually and introduce platform
specific configuration options.

Reviewed-by: Sumit Garg <sumit.g...@linaro.org>
Signed-off-by: Caleb Connolly <caleb.conno...@linaro.org>
---
 MAINTAINERS                                        |  1 +
 arch/arm/mach-snapdragon/Kconfig                   |  4 +++
 arch/arm/mach-snapdragon/Makefile                  |  5 ---
 drivers/pinctrl/Kconfig                            |  1 +
 drivers/pinctrl/Makefile                           |  1 +
 drivers/pinctrl/qcom/Kconfig                       | 39 ++++++++++++++++++++++
 drivers/pinctrl/qcom/Makefile                      |  9 +++++
 .../pinctrl/qcom}/pinctrl-apq8016.c                | 19 +++++++++--
 .../pinctrl/qcom}/pinctrl-apq8096.c                | 19 +++++++++--
 .../pinctrl/qcom/pinctrl-qcom.c                    | 39 ++++++++++++----------
 .../pinctrl/qcom/pinctrl-qcom.h                    | 11 +++---
 .../pinctrl/qcom}/pinctrl-qcs404.c                 | 19 +++++++++--
 .../pinctrl/qcom}/pinctrl-sdm845.c                 | 19 +++++++++--
 13 files changed, 149 insertions(+), 37 deletions(-)

diff --git a/MAINTAINERS b/MAINTAINERS
index b483fa2ea95a..f6d63c8ab563 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -576,6 +576,7 @@ F:  drivers/clk/qcom/
 F:     drivers/gpio/msm_gpio.c
 F:     drivers/mmc/msm_sdhci.c
 F:     drivers/phy/msm8916-usbh-phy.c
+F:     drivers/pinctrl/qcom/
 F:     drivers/serial/serial_msm.c
 F:     drivers/serial/serial_msm_geni.c
 F:     drivers/smem/msm_smem.c
diff --git a/arch/arm/mach-snapdragon/Kconfig b/arch/arm/mach-snapdragon/Kconfig
index dde37eccc55e..3c9f3bee3f18 100644
--- a/arch/arm/mach-snapdragon/Kconfig
+++ b/arch/arm/mach-snapdragon/Kconfig
@@ -16,6 +16,7 @@ config SDM845
        bool "Qualcomm Snapdragon 845 SoC"
        select LINUX_KERNEL_IMAGE_HEADER
        imply CLK_QCOM_SDM845
+       imply PINCTRL_QCOM_SDM845
 
 config LNX_KRNL_IMG_TEXT_OFFSET_BASE
        default 0x80000000
@@ -28,6 +29,7 @@ config TARGET_DRAGONBOARD410C
        select BOARD_LATE_INIT
        select ENABLE_ARM_SOC_BOOT0_HOOK
        imply CLK_QCOM_APQ8016
+       imply PINCTRL_QCOM_APQ8016
        help
          Support for 96Boards Dragonboard 410C. This board complies with
          96Board Open Platform Specifications. Features:
@@ -42,6 +44,7 @@ config TARGET_DRAGONBOARD410C
 config TARGET_DRAGONBOARD820C
        bool "96Boards Dragonboard 820C"
        imply CLK_QCOM_APQ8096
+       imply PINCTRL_QCOM_APQ8096
        help
          Support for 96Boards Dragonboard 820C. This board complies with
          96Board Open Platform Specifications. Features:
@@ -76,6 +79,7 @@ config TARGET_QCS404EVB
        bool "Qualcomm Technologies, Inc. QCS404 EVB"
        select LINUX_KERNEL_IMAGE_HEADER
        imply CLK_QCOM_QCS404
+       imply PINCTRL_QCOM_QCS404
        help
          Support for Qualcomm Technologies, Inc. QCS404 evaluation board.
          Features:
diff --git a/arch/arm/mach-snapdragon/Makefile 
b/arch/arm/mach-snapdragon/Makefile
index 497ee35cf7d3..3a3a297c1768 100644
--- a/arch/arm/mach-snapdragon/Makefile
+++ b/arch/arm/mach-snapdragon/Makefile
@@ -8,9 +8,4 @@ obj-$(CONFIG_TARGET_DRAGONBOARD820C) += sysmap-apq8096.o
 obj-$(CONFIG_TARGET_DRAGONBOARD410C) += sysmap-apq8016.o
 obj-y += misc.o
 obj-y += dram.o
-obj-y += pinctrl-snapdragon.o
-obj-y += pinctrl-apq8016.o
-obj-y += pinctrl-apq8096.o
-obj-y += pinctrl-qcs404.o
-obj-y += pinctrl-sdm845.o
 obj-$(CONFIG_TARGET_QCS404EVB) += sysmap-qcs404.o
diff --git a/drivers/pinctrl/Kconfig b/drivers/pinctrl/Kconfig
index 75b3ff47a2e8..53f32ea1612e 100644
--- a/drivers/pinctrl/Kconfig
+++ b/drivers/pinctrl/Kconfig
@@ -355,6 +355,7 @@ source "drivers/pinctrl/mvebu/Kconfig"
 source "drivers/pinctrl/nexell/Kconfig"
 source "drivers/pinctrl/nuvoton/Kconfig"
 source "drivers/pinctrl/nxp/Kconfig"
+source "drivers/pinctrl/qcom/Kconfig"
 source "drivers/pinctrl/renesas/Kconfig"
 source "drivers/pinctrl/rockchip/Kconfig"
 source "drivers/pinctrl/sunxi/Kconfig"
diff --git a/drivers/pinctrl/Makefile b/drivers/pinctrl/Makefile
index fc1f01a02cbd..603c2e0a2da2 100644
--- a/drivers/pinctrl/Makefile
+++ b/drivers/pinctrl/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_ARCH_RMOBILE) += renesas/
 obj-$(CONFIG_ARCH_RZN1) += renesas/
 obj-$(CONFIG_PINCTRL_SANDBOX)  += pinctrl-sandbox.o
 obj-$(CONFIG_PINCTRL_SUNXI)    += sunxi/
+obj-$(CONFIG_PINCTRL_QCOM) += qcom/
 obj-$(CONFIG_PINCTRL_UNIPHIER) += uniphier/
 obj-$(CONFIG_PINCTRL_PIC32)    += pinctrl_pic32.o
 obj-$(CONFIG_PINCTRL_EXYNOS)   += exynos/
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
new file mode 100644
index 000000000000..412925c48788
--- /dev/null
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -0,0 +1,39 @@
+if ARCH_SNAPDRAGON
+
+config PINCTRL_QCOM
+       depends on PINCTRL_GENERIC
+       def_bool n
+
+menu "Qualcomm pinctrl drivers"
+
+config PINCTRL_QCOM_APQ8016
+       bool "Qualcomm APQ8016 GCC"
+       select PINCTRL_QCOM
+       help
+         Say Y here to enable support for pinctrl on the MSM8916 / APQ8016
+         Snapdragon 410 SoC, as well as the associated GPIO driver.
+
+config PINCTRL_QCOM_APQ8096
+       bool "Qualcomm APQ8096 GCC"
+       select PINCTRL_QCOM
+       help
+         Say Y here to enable support for pinctrl on the MSM8996 / APQ8096
+         Snapdragon 820 SoC, as well as the associated GPIO driver.
+
+config PINCTRL_QCOM_QCS404
+       bool "Qualcomm QCS404 GCC"
+       select PINCTRL_QCOM
+       help
+         Say Y here to enable support for pinctrl on the Snapdragon QCS404 SoC,
+         as well as the associated GPIO driver.
+
+config PINCTRL_QCOM_SDM845
+       bool "Qualcomm SDM845 GCC"
+       select PINCTRL_QCOM
+       help
+         Say Y here to enable support for pinctrl on the Snapdragon 845 SoC,
+         as well as the associated GPIO driver.
+
+endmenu
+
+endif
diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
new file mode 100644
index 000000000000..86f507427301
--- /dev/null
+++ b/drivers/pinctrl/qcom/Makefile
@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2023 Linaro Ltd.
+
+obj-$(CONFIG_PINCTRL_QCOM) += pinctrl-qcom.o
+obj-$(CONFIG_PINCTRL_QCOM_APQ8016) += pinctrl-apq8016.o
+obj-$(CONFIG_PINCTRL_QCOM_APQ8096) += pinctrl-apq8096.o
+obj-$(CONFIG_PINCTRL_QCOM_QCS404) += pinctrl-qcs404.o
+obj-$(CONFIG_PINCTRL_QCOM_SDM845) += pinctrl-sdm845.o
diff --git a/arch/arm/mach-snapdragon/pinctrl-apq8016.c 
b/drivers/pinctrl/qcom/pinctrl-apq8016.c
similarity index 75%
rename from arch/arm/mach-snapdragon/pinctrl-apq8016.c
rename to drivers/pinctrl/qcom/pinctrl-apq8016.c
index 70c0be0bca90..bcbc0df50715 100644
--- a/arch/arm/mach-snapdragon/pinctrl-apq8016.c
+++ b/drivers/pinctrl/qcom/pinctrl-apq8016.c
@@ -6,8 +6,10 @@
  *
  */
 
-#include "pinctrl-snapdragon.h"
 #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");
@@ -52,10 +54,23 @@ static unsigned int apq8016_get_function_mux(unsigned int 
selector)
        return msm_pinctrl_functions[selector].val;
 }
 
-struct msm_pinctrl_data apq8016_data = {
+static const struct msm_pinctrl_data apq8016_data = {
        .pin_count = 133,
        .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
        .get_function_name = apq8016_get_function_name,
        .get_function_mux = apq8016_get_function_mux,
        .get_pin_name = apq8016_get_pin_name,
 };
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+       { .compatible = "qcom,msm8916-pinctrl", .data = (ulong)&apq8016_data },
+       { /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_apq8016) = {
+       .name           = "pinctrl_apq8016",
+       .id             = UCLASS_NOP,
+       .of_match       = msm_pinctrl_ids,
+       .ops            = &msm_pinctrl_ops,
+       .bind           = msm_pinctrl_bind,
+};
diff --git a/arch/arm/mach-snapdragon/pinctrl-apq8096.c 
b/drivers/pinctrl/qcom/pinctrl-apq8096.c
similarity index 74%
rename from arch/arm/mach-snapdragon/pinctrl-apq8096.c
rename to drivers/pinctrl/qcom/pinctrl-apq8096.c
index 45462f01c2c7..525085617680 100644
--- a/arch/arm/mach-snapdragon/pinctrl-apq8096.c
+++ b/drivers/pinctrl/qcom/pinctrl-apq8096.c
@@ -6,8 +6,10 @@
  *
  */
 
-#include "pinctrl-snapdragon.h"
 #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");
@@ -47,10 +49,23 @@ static unsigned int apq8096_get_function_mux(unsigned int 
selector)
        return msm_pinctrl_functions[selector].val;
 }
 
-struct msm_pinctrl_data apq8096_data = {
+static const struct msm_pinctrl_data apq8096_data = {
        .pin_count = 157,
        .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
        .get_function_name = apq8096_get_function_name,
        .get_function_mux = apq8096_get_function_mux,
        .get_pin_name = apq8096_get_pin_name,
 };
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+       { .compatible = "qcom,msm8996-pinctrl", .data = (ulong)&apq8096_data },
+       { /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_apq8096) = {
+       .name           = "pinctrl_apq8096",
+       .id             = UCLASS_NOP,
+       .of_match       = msm_pinctrl_ids,
+       .ops            = &msm_pinctrl_ops,
+       .bind           = msm_pinctrl_bind,
+};
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c 
b/drivers/pinctrl/qcom/pinctrl-qcom.c
similarity index 85%
rename from arch/arm/mach-snapdragon/pinctrl-snapdragon.c
rename to drivers/pinctrl/qcom/pinctrl-qcom.c
index 826dc5148661..1cface7f610b 100644
--- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.c
+++ b/drivers/pinctrl/qcom/pinctrl-qcom.c
@@ -11,10 +11,11 @@
 #include <errno.h>
 #include <asm/io.h>
 #include <dm/device_compat.h>
+#include <dm/device-internal.h>
 #include <dm/lists.h>
 #include <dm/pinctrl.h>
 #include <linux/bitops.h>
-#include "pinctrl-snapdragon.h"
+#include "pinctrl-qcom.h"
 
 struct msm_pinctrl_priv {
        phys_addr_t base;
@@ -109,7 +110,7 @@ static int msm_pinconf_set(struct udevice *dev, unsigned 
int pin_selector,
        return 0;
 }
 
-static struct pinctrl_ops msm_pinctrl_ops = {
+struct pinctrl_ops msm_pinctrl_ops = {
        .get_pins_count = msm_get_pins_count,
        .get_pin_name = msm_get_pin_name,
        .set_state = pinctrl_generic_set_state,
@@ -121,12 +122,24 @@ static struct pinctrl_ops msm_pinctrl_ops = {
        .get_function_name = msm_get_function_name,
 };
 
-static int msm_pinctrl_bind(struct udevice *dev)
+int msm_pinctrl_bind(struct udevice *dev)
 {
        ofnode node = dev_ofnode(dev);
+       struct msm_pinctrl_data *data = (struct msm_pinctrl_data 
*)dev_get_driver_data(dev);
+       struct driver *drv;
+       struct udevice *pinctrl_dev;
        const char *name;
        int ret;
 
+       drv = lists_driver_lookup_name("pinctrl_qcom");
+       if (!drv)
+               return -ENOENT;
+
+       ret = device_bind_with_driver_data(dev_get_parent(dev), drv, 
ofnode_get_name(node), (ulong)data,
+                                          dev_ofnode(dev), &pinctrl_dev);
+       if (ret)
+               return ret;
+
        ofnode_get_property(node, "gpio-controller", &ret);
        if (ret < 0)
                return 0;
@@ -139,28 +152,18 @@ static int msm_pinctrl_bind(struct udevice *dev)
        /* Bind gpio node */
        ret = device_bind_driver_to_node(dev, "gpio_msm",
                                         name, node, NULL);
-       if (ret)
+       if (ret) {
+               device_unbind(pinctrl_dev);
                return ret;
-
-       dev_dbg(dev, "bind %s\n", name);
+       }
 
        return 0;
 }
 
-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,qcs404-pinctrl", .data = (ulong)&qcs404_data },
-       { }
-};
-
-U_BOOT_DRIVER(pinctrl_snapdraon) = {
-       .name           = "pinctrl_msm",
+U_BOOT_DRIVER(pinctrl_qcom) = {
+       .name           = "pinctrl_qcom",
        .id             = UCLASS_PINCTRL,
-       .of_match       = msm_pinctrl_ids,
        .priv_auto      = sizeof(struct msm_pinctrl_priv),
        .ops            = &msm_pinctrl_ops,
        .probe          = msm_pinctrl_probe,
-       .bind           = msm_pinctrl_bind,
 };
diff --git a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h 
b/drivers/pinctrl/qcom/pinctrl-qcom.h
similarity index 68%
rename from arch/arm/mach-snapdragon/pinctrl-snapdragon.h
rename to drivers/pinctrl/qcom/pinctrl-qcom.h
index 178ee01a41f4..1edd9a43ffda 100644
--- a/arch/arm/mach-snapdragon/pinctrl-snapdragon.h
+++ b/drivers/pinctrl/qcom/pinctrl-qcom.h
@@ -5,8 +5,8 @@
  * (C) Copyright 2018 Ramon Fried <ramon.fr...@gmail.com>
  *
  */
-#ifndef _PINCTRL_SNAPDRAGON_H
-#define _PINCTRL_SNAPDRAGON_H
+#ifndef _PINCTRL_QCOM_H
+#define _PINCTRL_QCOM_H
 
 struct udevice;
 
@@ -25,9 +25,8 @@ struct pinctrl_function {
        int val;
 };
 
-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 qcs404_data;
+extern struct pinctrl_ops msm_pinctrl_ops;
+
+int msm_pinctrl_bind(struct udevice *dev);
 
 #endif
diff --git a/arch/arm/mach-snapdragon/pinctrl-qcs404.c 
b/drivers/pinctrl/qcom/pinctrl-qcs404.c
similarity index 78%
rename from arch/arm/mach-snapdragon/pinctrl-qcs404.c
rename to drivers/pinctrl/qcom/pinctrl-qcs404.c
index a6e53c4412ec..272331c90b5c 100644
--- a/arch/arm/mach-snapdragon/pinctrl-qcs404.c
+++ b/drivers/pinctrl/qcom/pinctrl-qcs404.c
@@ -5,8 +5,10 @@
  * (C) Copyright 2022 Sumit Garg <sumit.g...@linaro.org>
  */
 
-#include "pinctrl-snapdragon.h"
 #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");
@@ -59,10 +61,23 @@ static unsigned int qcs404_get_function_mux(unsigned int 
selector)
        return msm_pinctrl_functions[selector].val;
 }
 
-struct msm_pinctrl_data qcs404_data = {
+static struct msm_pinctrl_data qcs404_data = {
        .pin_count = 126,
        .functions_count = ARRAY_SIZE(msm_pinctrl_functions),
        .get_function_name = qcs404_get_function_name,
        .get_function_mux = qcs404_get_function_mux,
        .get_pin_name = qcs404_get_pin_name,
 };
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+       { .compatible = "qcom,qcs404-pinctrl", .data = (ulong)&qcs404_data },
+       { /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_qcs404) = {
+       .name           = "pinctrl_qcs404",
+       .id             = UCLASS_NOP,
+       .of_match       = msm_pinctrl_ids,
+       .ops            = &msm_pinctrl_ops,
+       .bind           = msm_pinctrl_bind,
+};
diff --git a/arch/arm/mach-snapdragon/pinctrl-sdm845.c 
b/drivers/pinctrl/qcom/pinctrl-sdm845.c
similarity index 70%
rename from arch/arm/mach-snapdragon/pinctrl-sdm845.c
rename to drivers/pinctrl/qcom/pinctrl-sdm845.c
index 40f2f012fa0d..1a09c5c81dc6 100644
--- a/arch/arm/mach-snapdragon/pinctrl-sdm845.c
+++ b/drivers/pinctrl/qcom/pinctrl-sdm845.c
@@ -6,8 +6,10 @@
  *
  */
 
-#include "pinctrl-snapdragon.h"
 #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");
@@ -35,10 +37,23 @@ static unsigned int sdm845_get_function_mux(unsigned int 
selector)
        return msm_pinctrl_functions[selector].val;
 }
 
-struct msm_pinctrl_data sdm845_data = {
+static 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,
 };
+
+static const struct udevice_id msm_pinctrl_ids[] = {
+       { .compatible = "qcom,sdm845-pinctrl", .data = (ulong)&sdm845_data },
+       { /* Sentinal */ }
+};
+
+U_BOOT_DRIVER(pinctrl_sdm845) = {
+       .name           = "pinctrl_sdm845",
+       .id             = UCLASS_NOP,
+       .of_match       = msm_pinctrl_ids,
+       .ops            = &msm_pinctrl_ops,
+       .bind           = msm_pinctrl_bind,
+};

-- 
2.42.1

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