From: Stephen Warren <swarren@nvidia.com> To: Grant Likely <grant.likely@secretlab.ca>, Colin Cross <ccross@android.com>, Erik Gilling <konkers@android.com>, Olof Johansson <olof@lixom.net> Cc: Russell King <linux@arm.linux.org.uk>, Arnd Bergmann <arnd@arndb.de>, devicetree-discuss@lists.ozlabs.org, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Belisko Marek <marek.belisko@gmail.com>, Jamie Iles <jamie@jamieiles.com>, Shawn Guo <shawn.guo@freescale.com>, Sergei Shtylyov <sshtylyov@mvista.com>, Linus Walleij <linus.walleij@linaro.org>, Stephen Warren <swarren@nvidia.com> Subject: [PATCH v3 08/13] gpio/tegra: Add device tree support Date: Thu, 25 Aug 2011 17:43:39 -0600 [thread overview] Message-ID: <1314315824-9687-9-git-send-email-swarren@nvidia.com> (raw) In-Reply-To: <1314315824-9687-1-git-send-email-swarren@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> --- drivers/gpio/gpio-tegra.c | 23 ++++++++++++++++++++++- 1 files changed, 22 insertions(+), 1 deletions(-) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 4da4839..a95b23a 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -326,7 +326,6 @@ static struct irq_chip tegra_gpio_irq_chip = { #endif }; - /* This lock class tells lockdep that GPIO irqs are in a different * category than their parents, so it won't report false recursion. */ @@ -371,13 +370,35 @@ static int __init tegra_gpio_probe(struct platform_device *pdev) spin_lock_init(&bank->lvl_lock[j]); } + if (pdev->dev.of_node != NULL) { + const __be32 *gpios; + u32 gpioslen; + + gpios = of_get_property(pdev->dev.of_node, + "nvidia,enabled-gpios", &gpioslen); + if (gpios != NULL) { + gpioslen /= sizeof(*gpios); + for (i = 0; i < gpioslen; i++, gpios++) { + u32 gpio = be32_to_cpup(gpios); + dev_dbg(&pdev->dev, "Enabling GPIO %d\n", gpio); + tegra_gpio_enable(gpio); + } + } + } + return 0; } +static struct of_device_id tegra_gpio_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra20-gpio", }, + { }, +}; + static struct platform_driver tegra_gpio_driver = { .driver = { .name = "tegra-gpio", .owner = THIS_MODULE, + .of_match_table = tegra_gpio_of_match, }, .probe = tegra_gpio_probe, }; -- 1.7.0.4
WARNING: multiple messages have this Message-ID (diff)
From: swarren@nvidia.com (Stephen Warren) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 08/13] gpio/tegra: Add device tree support Date: Thu, 25 Aug 2011 17:43:39 -0600 [thread overview] Message-ID: <1314315824-9687-9-git-send-email-swarren@nvidia.com> (raw) In-Reply-To: <1314315824-9687-1-git-send-email-swarren@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> --- drivers/gpio/gpio-tegra.c | 23 ++++++++++++++++++++++- 1 files changed, 22 insertions(+), 1 deletions(-) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 4da4839..a95b23a 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -326,7 +326,6 @@ static struct irq_chip tegra_gpio_irq_chip = { #endif }; - /* This lock class tells lockdep that GPIO irqs are in a different * category than their parents, so it won't report false recursion. */ @@ -371,13 +370,35 @@ static int __init tegra_gpio_probe(struct platform_device *pdev) spin_lock_init(&bank->lvl_lock[j]); } + if (pdev->dev.of_node != NULL) { + const __be32 *gpios; + u32 gpioslen; + + gpios = of_get_property(pdev->dev.of_node, + "nvidia,enabled-gpios", &gpioslen); + if (gpios != NULL) { + gpioslen /= sizeof(*gpios); + for (i = 0; i < gpioslen; i++, gpios++) { + u32 gpio = be32_to_cpup(gpios); + dev_dbg(&pdev->dev, "Enabling GPIO %d\n", gpio); + tegra_gpio_enable(gpio); + } + } + } + return 0; } +static struct of_device_id tegra_gpio_of_match[] __devinitdata = { + { .compatible = "nvidia,tegra20-gpio", }, + { }, +}; + static struct platform_driver tegra_gpio_driver = { .driver = { .name = "tegra-gpio", .owner = THIS_MODULE, + .of_match_table = tegra_gpio_of_match, }, .probe = tegra_gpio_probe, }; -- 1.7.0.4
next prev parent reply other threads:[~2011-08-25 23:43 UTC|newest] Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-25 23:43 [PATCH v3 00/13] arm/tegra: Initialize GPIO & pinmux from DT Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 04/13] docs/dt: Document nvidia,tegra20-pinmux binding Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 06/13] dt: add empty for_each_child_of_node, of_find_property Stephen Warren 2011-08-25 23:43 ` Stephen Warren [not found] ` <1314315824-9687-7-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-31 18:25 ` Stephen Warren 2011-08-31 18:25 ` Stephen Warren 2011-08-31 18:25 ` Stephen Warren [not found] ` <1314315824-9687-1-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-25 23:43 ` [PATCH v3 01/13] arm/tegra: Prep boards for gpio/pinmux conversion to pdevs Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 02/13] docs/dt: Document nvidia, tegra20-gpio's nvidia, enabled-gpios property Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 02/13] docs/dt: Document nvidia,tegra20-gpio's nvidia,enabled-gpios property Stephen Warren 2011-08-25 23:43 ` [PATCH v3 03/13] arm/dt: Tegra: Add nvidia, enabled-gpios property to GPIO controller Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 03/13] arm/dt: Tegra: Add nvidia,enabled-gpios " Stephen Warren 2011-08-25 23:43 ` [PATCH v3 05/13] arm/dt: Tegra: Add pinmux node Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 07/13] gpio/tegra: Convert to a platform device Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 09/13] arm/tegra: Convert pinmux driver " Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 10/13] of: add a generic pinmux helper Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren [not found] ` <1314315824-9687-11-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-26 9:16 ` Jamie Iles 2011-08-26 9:16 ` Jamie Iles 2011-08-26 9:16 ` Jamie Iles 2011-08-29 11:09 ` Linus Walleij 2011-08-29 11:09 ` Linus Walleij 2011-08-29 11:09 ` Linus Walleij [not found] ` <CACRpkdaTiWEtgjVOhUKeXhpiESvrWyz97p5j_PHe3MvEM4UaCw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2011-08-29 21:46 ` Stephen Warren 2011-08-29 21:46 ` Stephen Warren 2011-08-29 21:46 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04B3279BEB-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-09-01 11:30 ` Linus Walleij 2011-09-01 11:30 ` Linus Walleij 2011-09-01 11:30 ` Linus Walleij 2011-08-25 23:43 ` [PATCH v3 11/13] of: add property iteration helpers Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren [not found] ` <1314315824-9687-12-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-26 9:26 ` Jamie Iles 2011-08-26 9:26 ` Jamie Iles 2011-08-26 9:26 ` Jamie Iles [not found] ` <20110826092632.GB3926-apL1N+EY0C9YtYNIL7UdTEEOCMrvLtNR@public.gmane.org> 2011-08-26 15:59 ` Stephen Warren 2011-08-26 15:59 ` Stephen Warren 2011-08-26 15:59 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04B24A40C8-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-08-26 16:16 ` Jamie Iles 2011-08-26 16:16 ` Jamie Iles 2011-08-26 16:16 ` Jamie Iles 2011-08-25 23:43 ` [PATCH v3 12/13] arm/tegra: Add device tree support to pinmux driver Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` [PATCH v3 13/13] arm/tegra: board-dt: Remove dependency on non-dt pinmux functions Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren 2011-08-26 5:04 ` [PATCH v3 00/13] arm/tegra: Initialize GPIO & pinmux from DT Olof Johansson 2011-08-26 5:04 ` Olof Johansson 2011-08-26 5:04 ` Olof Johansson [not found] ` <CAOesGMiygfaNkPa7uURCiJpC=WDinWhKi07LFgJ+5JoGW_fLKw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2011-08-26 16:07 ` Stephen Warren 2011-08-26 16:07 ` Stephen Warren 2011-08-26 16:07 ` Stephen Warren 2011-08-25 23:43 ` Stephen Warren [this message] 2011-08-25 23:43 ` [PATCH v3 08/13] gpio/tegra: Add device tree support Stephen Warren
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