[PATCH next 1/2] gpio: hisi: Add initial device tree support
From: Weilong Chen <hidden>
Date: 2022-10-26 03:34:53
Also in:
linux-gpio, lkml
Subsystem:
gpio subsystem, hisilicon gpio driver, the rest · Maintainers:
Linus Walleij, Bartosz Golaszewski, Yang Shen, Linus Torvalds
Add support for HiSilicon GPIO controller in embedded platform, which boot from devicetree. Signed-off-by: Weilong Chen <redacted> --- drivers/gpio/Kconfig | 2 +- drivers/gpio/gpio-hisi.c | 15 ++++++++++++++- 2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig
index e034f752e7ce..71a7880af59d 100644
--- a/drivers/gpio/Kconfig
+++ b/drivers/gpio/Kconfig@@ -310,7 +310,7 @@ config GPIO_GRGPIO config GPIO_HISI tristate "HiSilicon GPIO controller driver" - depends on (ARM64 && ACPI) || COMPILE_TEST + depends on ARM64 || COMPILE_TEST select GPIO_GENERIC select GPIOLIB_IRQCHIP help
diff --git a/drivers/gpio/gpio-hisi.c b/drivers/gpio/gpio-hisi.c
index 3caabef5c7a2..813c0c1d4e49 100644
--- a/drivers/gpio/gpio-hisi.c
+++ b/drivers/gpio/gpio-hisi.c@@ -1,8 +1,10 @@ // SPDX-License-Identifier: GPL-2.0-only /* Copyright (c) 2020 HiSilicon Limited. */ +#include <linux/acpi.h> #include <linux/gpio/driver.h> #include <linux/module.h> #include <linux/mod_devicetable.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/property.h>
@@ -215,11 +217,21 @@ static void hisi_gpio_init_irq(struct hisi_gpio *hisi_gpio) hisi_gpio_write_reg(chip, HISI_GPIO_INTCOMB_MASK_WX, 1); } +#ifdef CONFIG_ACPI static const struct acpi_device_id hisi_gpio_acpi_match[] = { {"HISI0184", 0}, {} }; MODULE_DEVICE_TABLE(acpi, hisi_gpio_acpi_match); +#endif + +#ifdef CONFIG_OF +static const struct of_device_id hisi_gpio_dts_match[] = { + { .compatible = "hisilicon,gpio-ascend910", }, + { } +}; +MODULE_DEVICE_TABLE(of, hisi_gpio_dts_match); +#endif static void hisi_gpio_get_pdata(struct device *dev, struct hisi_gpio *hisi_gpio)
@@ -310,7 +322,8 @@ static int hisi_gpio_probe(struct platform_device *pdev) static struct platform_driver hisi_gpio_driver = { .driver = { .name = HISI_GPIO_DRIVER_NAME, - .acpi_match_table = hisi_gpio_acpi_match, + .acpi_match_table = ACPI_PTR(hisi_gpio_acpi_match), + .of_match_table = of_match_ptr(hisi_gpio_dts_match), }, .probe = hisi_gpio_probe, };
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2.31.GIT