[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Message-ID: <20221026034219.172880-1-chenweilong@huawei.com>
Date: Wed, 26 Oct 2022 11:42:18 +0800
From: Weilong Chen <chenweilong@...wei.com>
To: <chenweilong@...wei.com>, <f.fangjian@...wei.com>,
<linus.walleij@...aro.org>, <yangyicong@...ilicon.com>,
<xuwei5@...wei.com>, <robh+dt@...nel.org>, <robh@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>
CC: <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
Subject: [PATCH next 1/2] gpio: hisi: Add initial device tree support
Add support for HiSilicon GPIO controller in embedded platform, which
boot from devicetree.
Signed-off-by: Weilong Chen <chenweilong@...wei.com>
---
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,
};
--
2.31.GIT
Powered by blists - more mailing lists