linux-kernel - [PATCH next v3 1/2] gpio: hisi: Add initial device tree support

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Message-ID: <20221101082442.263448-1-chenweilong@huawei.com>
Date:   Tue, 1 Nov 2022 16:24:41 +0800
From:   Weilong Chen <chenweilong@...wei.com>
To:     <chenweilong@...wei.com>, <f.fangjian@...wei.com>,
        <linus.walleij@...aro.org>, <brgl@...ev.pl>,
        <yangyicong@...ilicon.com>, <xuwei5@...wei.com>,
        <robh+dt@...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 v3 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>
---
Change since v2:
- Drop wrong use ACPI_PTR/of_match_ptr
Link: https://lore.kernel.org/lkml/20221028022453.163186-1-chenweilong@huawei.com/

 drivers/gpio/Kconfig     | 2 +-
 drivers/gpio/gpio-hisi.c | 7 +++++++
 2 files changed, 8 insertions(+), 1 deletion(-)

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..55bd69043bf4 100644
--- a/drivers/gpio/gpio-hisi.c
+++ b/drivers/gpio/gpio-hisi.c
@@ -221,6 +221,12 @@ static const struct acpi_device_id hisi_gpio_acpi_match[] = {
 };
 MODULE_DEVICE_TABLE(acpi, hisi_gpio_acpi_match);
 
+static const struct of_device_id hisi_gpio_dts_match[] = {
+	{ .compatible = "hisilicon,ascend910-gpio", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, hisi_gpio_dts_match);
+
 static void hisi_gpio_get_pdata(struct device *dev,
 				struct hisi_gpio *hisi_gpio)
 {
@@ -311,6 +317,7 @@ static struct platform_driver hisi_gpio_driver = {
 	.driver		= {
 		.name	= HISI_GPIO_DRIVER_NAME,
 		.acpi_match_table = hisi_gpio_acpi_match,
+		.of_match_table = hisi_gpio_dts_match,
 	},
 	.probe		= hisi_gpio_probe,
 };
-- 
2.31.GIT