From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jiang Qiu Subject: [PATCH v9 3/3] gpio: dwapb: add gpio-signaled acpi event support Date: Wed, 20 Apr 2016 15:13:49 +0800 Message-ID: <1461136429-85114-4-git-send-email-qiujiang@huawei.com> References: <1461136429-85114-1-git-send-email-qiujiang@huawei.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1461136429-85114-1-git-send-email-qiujiang@huawei.com> Sender: linux-kernel-owner@vger.kernel.org To: linus.walleij@linaro.org, gnurou@gmail.com Cc: mika.westerberg@linux.intel.com, andy.shevchenko@gmail.com, delicious.quinoa@gmail.com, jamie@jamieiles.com, charles.chenxin@huawei.com, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, linux-acpi@vger.kernel.org, linuxarm@huawei.com, Jiang Qiu List-Id: linux-acpi@vger.kernel.org This patch adds gpio-signaled acpi event support. It is used for power button on hisilicon D02 board, an arm64 platform. The corresponding DSDT file is defined as follows: Device(GPI0) { Name(_HID, "HISI0181") Name(_ADR, 0) Name(_UID, 0) Name (_CRS, ResourceTemplate () { Memory32Fixed (ReadWrite, 0x802e0000, 0x10000) Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive,,,) {344} }) Device(PRTa) { Name (_DSD, Package () { Package () { Package () {"reg",0}, Package () {"snps,nr-gpios",32}, } }) } Name (_AEI, ResourceTemplate () { GpioInt(Edge, ActiveLow, ExclusiveAndWake, PullUp, , " \\_SB.GPI0") {8} }) Method (_E08, 0x0, NotSerialized) { Notify (\_SB.PWRB, 0x80) } } Acked-by: Mika Westerberg Reviewed-by: Andy Shevchenko Signed-off-by: Jiang Qiu --- drivers/gpio/gpio-dwapb.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 92bc204..c411e95 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -7,6 +7,7 @@ * * All enquiries to support@picochip.com */ +#include #include /* FIXME: for gpio_get_value(), replace this with direct register read */ #include @@ -27,6 +28,8 @@ #include #include +#include "gpiolib.h" + #define GPIO_SWPORTA_DR 0x00 #define GPIO_SWPORTA_DDR 0x04 #define GPIO_SWPORTB_DR 0x0c @@ -436,6 +439,10 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, else port->is_registered = true; + /* Add GPIO-signaled ACPI event support */ + if (pp->irq) + acpi_gpiochip_request_interrupts(&port->gc); + return err; } @@ -503,6 +510,9 @@ dwapb_gpio_get_pdata(struct device *dev) dev_warn(dev, "no irq for port%d\n", pp->idx); } + if (has_acpi_companion(dev) && pp->idx == 0) + pp->irq = platform_get_irq(to_platform_device(dev), 0); + pp->irq_shared = false; pp->gpio_base = -1; } @@ -577,6 +587,12 @@ static const struct of_device_id dwapb_of_match[] = { }; MODULE_DEVICE_TABLE(of, dwapb_of_match); +static const struct acpi_device_id dwapb_acpi_match[] = { + {"HISI0181", 0}, + { } +}; +MODULE_DEVICE_TABLE(acpi, dwapb_acpi_match); + #ifdef CONFIG_PM_SLEEP static int dwapb_gpio_suspend(struct device *dev) { @@ -671,6 +687,7 @@ static struct platform_driver dwapb_gpio_driver = { .name = "gpio-dwapb", .pm = &dwapb_gpio_pm_ops, .of_match_table = of_match_ptr(dwapb_of_match), + .acpi_match_table = ACPI_PTR(dwapb_acpi_match), }, .probe = dwapb_gpio_probe, .remove = dwapb_gpio_remove, -- 1.9.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754532AbcDTHFv (ORCPT ); Wed, 20 Apr 2016 03:05:51 -0400 Received: from szxga01-in.huawei.com ([58.251.152.64]:45213 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753593AbcDTHFL (ORCPT ); Wed, 20 Apr 2016 03:05:11 -0400 From: Jiang Qiu To: , CC: , , , , , , , , , Jiang Qiu Subject: [PATCH v9 3/3] gpio: dwapb: add gpio-signaled acpi event support Date: Wed, 20 Apr 2016 15:13:49 +0800 Message-ID: <1461136429-85114-4-git-send-email-qiujiang@huawei.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1461136429-85114-1-git-send-email-qiujiang@huawei.com> References: <1461136429-85114-1-git-send-email-qiujiang@huawei.com> MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.71.200.31] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020201.57172A23.0186,ss=1,re=0.000,recu=0.000,reip=0.000,cl=1,cld=1,fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: 62a2be18c280a042d8e70366fb544583 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds gpio-signaled acpi event support. It is used for power button on hisilicon D02 board, an arm64 platform. The corresponding DSDT file is defined as follows: Device(GPI0) { Name(_HID, "HISI0181") Name(_ADR, 0) Name(_UID, 0) Name (_CRS, ResourceTemplate () { Memory32Fixed (ReadWrite, 0x802e0000, 0x10000) Interrupt (ResourceConsumer, Level, ActiveHigh, Exclusive,,,) {344} }) Device(PRTa) { Name (_DSD, Package () { Package () { Package () {"reg",0}, Package () {"snps,nr-gpios",32}, } }) } Name (_AEI, ResourceTemplate () { GpioInt(Edge, ActiveLow, ExclusiveAndWake, PullUp, , " \\_SB.GPI0") {8} }) Method (_E08, 0x0, NotSerialized) { Notify (\_SB.PWRB, 0x80) } } Acked-by: Mika Westerberg Reviewed-by: Andy Shevchenko Signed-off-by: Jiang Qiu --- drivers/gpio/gpio-dwapb.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/gpio/gpio-dwapb.c b/drivers/gpio/gpio-dwapb.c index 92bc204..c411e95 100644 --- a/drivers/gpio/gpio-dwapb.c +++ b/drivers/gpio/gpio-dwapb.c @@ -7,6 +7,7 @@ * * All enquiries to support@picochip.com */ +#include #include /* FIXME: for gpio_get_value(), replace this with direct register read */ #include @@ -27,6 +28,8 @@ #include #include +#include "gpiolib.h" + #define GPIO_SWPORTA_DR 0x00 #define GPIO_SWPORTA_DDR 0x04 #define GPIO_SWPORTB_DR 0x0c @@ -436,6 +439,10 @@ static int dwapb_gpio_add_port(struct dwapb_gpio *gpio, else port->is_registered = true; + /* Add GPIO-signaled ACPI event support */ + if (pp->irq) + acpi_gpiochip_request_interrupts(&port->gc); + return err; } @@ -503,6 +510,9 @@ dwapb_gpio_get_pdata(struct device *dev) dev_warn(dev, "no irq for port%d\n", pp->idx); } + if (has_acpi_companion(dev) && pp->idx == 0) + pp->irq = platform_get_irq(to_platform_device(dev), 0); + pp->irq_shared = false; pp->gpio_base = -1; } @@ -577,6 +587,12 @@ static const struct of_device_id dwapb_of_match[] = { }; MODULE_DEVICE_TABLE(of, dwapb_of_match); +static const struct acpi_device_id dwapb_acpi_match[] = { + {"HISI0181", 0}, + { } +}; +MODULE_DEVICE_TABLE(acpi, dwapb_acpi_match); + #ifdef CONFIG_PM_SLEEP static int dwapb_gpio_suspend(struct device *dev) { @@ -671,6 +687,7 @@ static struct platform_driver dwapb_gpio_driver = { .name = "gpio-dwapb", .pm = &dwapb_gpio_pm_ops, .of_match_table = of_match_ptr(dwapb_of_match), + .acpi_match_table = ACPI_PTR(dwapb_acpi_match), }, .probe = dwapb_gpio_probe, .remove = dwapb_gpio_remove, -- 1.9.1