From mboxrd@z Thu Jan 1 00:00:00 1970 From: Y Vo Subject: [PATCH v0] gpio: xgene: add ACPI support for APM X-Gene GPIO standby driver Date: Thu, 28 May 2015 13:46:28 +0700 Message-ID: <1432795588-17476-1-git-send-email-yvo@apm.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linus.walleij@linaro.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-acpi@vger.kernel.org Cc: patches@apm.com, Toan Le , Loc Ho , Y Vo , Phong Vo List-Id: linux-gpio@vger.kernel.org Add ACPI support for APM X-Gene GPIO standby driver. Signed-off-by: Y Vo --- drivers/gpio/gpio-xgene-sb.c | 19 +++++++++++++++++++ 1 files changed, 19 insertions(+), 0 deletions(-) diff --git a/drivers/gpio/gpio-xgene-sb.c b/drivers/gpio/gpio-xgene-sb.c index b6a15c3..50aaae5 100644 --- a/drivers/gpio/gpio-xgene-sb.c +++ b/drivers/gpio/gpio-xgene-sb.c @@ -25,8 +25,11 @@ #include #include #include +#include #include +#include "gpiolib.h" + #define XGENE_MAX_GPIO_DS 22 #define XGENE_MAX_GPIO_DS_IRQ 6 @@ -129,6 +132,13 @@ static int xgene_gpio_sb_probe(struct platform_device *pdev) else dev_info(&pdev->dev, "X-Gene GPIO Standby driver registered\n"); +#ifdef CONFIG_ACPI + if (priv->nirq > 0) { + /* Register interrupt handlers for gpio signaled acpi events */ + acpi_gpiochip_request_interrupts(&priv->bgc.gc); + } +#endif + return ret; } @@ -145,10 +155,19 @@ static const struct of_device_id xgene_gpio_sb_of_match[] = { }; MODULE_DEVICE_TABLE(of, xgene_gpio_sb_of_match); +#ifdef CONFIG_ACPI +static const struct acpi_device_id xgene_gpio_sb_acpi_match[] = { + {"APMC0D15", 0}, + {}, +}; +MODULE_DEVICE_TABLE(acpi, xgene_gpio_sb_acpi_match); +#endif + static struct platform_driver xgene_gpio_sb_driver = { .driver = { .name = "xgene-gpio-sb", .of_match_table = xgene_gpio_sb_of_match, + .acpi_match_table = ACPI_PTR(xgene_gpio_sb_acpi_match), }, .probe = xgene_gpio_sb_probe, .remove = xgene_gpio_sb_remove, -- 1.7.1