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>, Stephen Warren <swarren@nvidia.com> Subject: [RFC PATCH v2 09/13] gpio/tegra: Add device tree support Date: Mon, 15 Aug 2011 14:28:16 -0600 [thread overview] Message-ID: <1313440100-17131-10-git-send-email-swarren@nvidia.com> (raw) In-Reply-To: <1313440100-17131-1-git-send-email-swarren@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> --- drivers/gpio/gpio-tegra.c | 32 ++++++++++++++++++++++++++++++++ 1 files changed, 32 insertions(+), 0 deletions(-) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 4da4839..1d0a764 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -326,6 +326,30 @@ static struct irq_chip tegra_gpio_irq_chip = { #endif }; +#ifdef CONFIG_OF +static void __init tegra_gpio_probe_dt(struct platform_device *pdev) +{ + const __be32 *gpios; + u32 gpioslen; + int i; + + gpios = of_get_property(pdev->dev.of_node, "nvidia,enabled-gpios", + &gpioslen); + if (gpios == NULL) + return; + + 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); + } +} +#else +static inline void __init tegra_gpio_probe_dt(struct platform_device *pdev) +{ +} +#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 +395,21 @@ static int __init tegra_gpio_probe(struct platform_device *pdev) spin_lock_init(&bank->lvl_lock[j]); } + tegra_gpio_probe_dt(pdev); + 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: [RFC PATCH v2 09/13] gpio/tegra: Add device tree support Date: Mon, 15 Aug 2011 14:28:16 -0600 [thread overview] Message-ID: <1313440100-17131-10-git-send-email-swarren@nvidia.com> (raw) In-Reply-To: <1313440100-17131-1-git-send-email-swarren@nvidia.com> Signed-off-by: Stephen Warren <swarren@nvidia.com> --- drivers/gpio/gpio-tegra.c | 32 ++++++++++++++++++++++++++++++++ 1 files changed, 32 insertions(+), 0 deletions(-) diff --git a/drivers/gpio/gpio-tegra.c b/drivers/gpio/gpio-tegra.c index 4da4839..1d0a764 100644 --- a/drivers/gpio/gpio-tegra.c +++ b/drivers/gpio/gpio-tegra.c @@ -326,6 +326,30 @@ static struct irq_chip tegra_gpio_irq_chip = { #endif }; +#ifdef CONFIG_OF +static void __init tegra_gpio_probe_dt(struct platform_device *pdev) +{ + const __be32 *gpios; + u32 gpioslen; + int i; + + gpios = of_get_property(pdev->dev.of_node, "nvidia,enabled-gpios", + &gpioslen); + if (gpios == NULL) + return; + + 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); + } +} +#else +static inline void __init tegra_gpio_probe_dt(struct platform_device *pdev) +{ +} +#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 +395,21 @@ static int __init tegra_gpio_probe(struct platform_device *pdev) spin_lock_init(&bank->lvl_lock[j]); } + tegra_gpio_probe_dt(pdev); + 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:[~2011-08-15 20:28 UTC|newest] Thread overview: 118+ messages / expand[flat|nested] mbox.gz Atom feed top 2011-08-15 20:28 [RFC PATCH v2 00/13] arm/tegra: Initialize GPIO & pinmux from DT Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 02/13] arm/tegra: Avoid duplicate gpio/pinmux devices with dt Stephen Warren 2011-08-15 20:28 ` Stephen Warren [not found] ` <1313440100-17131-3-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-16 20:46 ` Stephen Warren 2011-08-16 20:46 ` Stephen Warren 2011-08-16 20:46 ` Stephen Warren [not found] ` <1313440100-17131-1-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-15 20:28 ` [RFC PATCH v2 01/13] arm/tegra: Prep boards for gpio/pinmux conversion to pdevs Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 03/13] arm/tegra: board-dt: Add AUXDATA for tegra-gpio and tegra-pinmux Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-16 3:30 ` Shawn Guo 2011-08-16 3:30 ` Shawn Guo 2011-08-16 3:30 ` Shawn Guo [not found] ` <20110816033056.GE8044-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org> 2011-08-16 20:24 ` Stephen Warren 2011-08-16 20:24 ` Stephen Warren 2011-08-16 20:24 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 04/13] docs/dt: Document nvidia, tegra20-gpio's nvidia, enabled-gpios property Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 04/13] docs/dt: Document nvidia,tegra20-gpio's nvidia,enabled-gpios property Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 05/13] arm/dt: Tegra: Add nvidia, gpios property to GPIO controller Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 05/13] arm/dt: Tegra: Add nvidia,gpios " Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 06/13] docs/dt: Document nvidia,tegra20-pinmux binding Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren [not found] ` <1313440100-17131-7-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-16 3:48 ` Shawn Guo 2011-08-16 3:48 ` Shawn Guo 2011-08-16 3:48 ` Shawn Guo 2011-08-16 13:51 ` Arnd Bergmann 2011-08-16 13:51 ` [RFC PATCH v2 06/13] docs/dt: Document nvidia, tegra20-pinmux binding Arnd Bergmann 2011-08-16 13:51 ` [RFC PATCH v2 06/13] docs/dt: Document nvidia,tegra20-pinmux binding Arnd Bergmann [not found] ` <201108161551.31389.arnd-r2nGTMty4D4@public.gmane.org> 2011-08-16 17:32 ` Stephen Warren 2011-08-16 17:32 ` Stephen Warren 2011-08-16 17:32 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04AEA2537D-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-08-17 6:02 ` Shawn Guo 2011-08-17 6:02 ` Shawn Guo 2011-08-17 6:02 ` Shawn Guo [not found] ` <20110817060242.GA10037-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org> 2011-08-17 6:17 ` Shawn Guo 2011-08-17 6:17 ` Shawn Guo 2011-08-17 6:17 ` Shawn Guo 2011-08-17 11:37 ` Arnd Bergmann 2011-08-17 11:37 ` [RFC PATCH v2 06/13] docs/dt: Document nvidia, tegra20-pinmux binding Arnd Bergmann 2011-08-17 11:37 ` [RFC PATCH v2 06/13] docs/dt: Document nvidia,tegra20-pinmux binding Arnd Bergmann [not found] ` <201108171337.26166.arnd-r2nGTMty4D4@public.gmane.org> 2011-08-17 11:43 ` Jamie Iles 2011-08-17 11:43 ` Jamie Iles 2011-08-17 11:43 ` Jamie Iles 2011-08-18 6:36 ` Stephen Warren 2011-08-18 6:36 ` Stephen Warren 2011-08-18 6:36 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 07/13] arm/dt: Tegra: Add pinmux node Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 08/13] gpio/tegra: Convert to a platform device Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 10/13] arm/tegra: Convert pinmux driver " Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-16 13:09 ` [RFC PATCH v2 00/13] arm/tegra: Initialize GPIO & pinmux from DT Arnd Bergmann 2011-08-16 13:09 ` Arnd Bergmann 2011-08-16 13:09 ` Arnd Bergmann [not found] ` <201108161509.17157.arnd-r2nGTMty4D4@public.gmane.org> 2011-08-16 14:01 ` Linus Walleij 2011-08-16 14:01 ` Linus Walleij 2011-08-16 14:01 ` Linus Walleij [not found] ` <CACRpkdaVx=6AJ5DFjVN1ZYQ++hu9pT6WxD9n+pqmYVaCf1xawg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2011-08-16 14:37 ` Arnd Bergmann 2011-08-16 14:37 ` Arnd Bergmann 2011-08-16 14:37 ` Arnd Bergmann [not found] ` <201108161637.16620.arnd-r2nGTMty4D4@public.gmane.org> 2011-08-16 14:45 ` Linus Walleij 2011-08-16 14:45 ` Linus Walleij 2011-08-16 14:45 ` Linus Walleij 2011-08-16 17:12 ` Stephen Warren 2011-08-16 17:12 ` Stephen Warren 2011-08-16 17:12 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04AEA25368-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-08-17 11:23 ` Arnd Bergmann 2011-08-17 11:23 ` Arnd Bergmann 2011-08-17 11:23 ` Arnd Bergmann [not found] ` <201108171323.38441.arnd-r2nGTMty4D4@public.gmane.org> 2011-08-18 6:22 ` Stephen Warren 2011-08-18 6:22 ` Stephen Warren 2011-08-18 6:22 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04AF6F3062-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-08-18 9:15 ` Arnd Bergmann 2011-08-18 9:15 ` Arnd Bergmann 2011-08-18 9:15 ` Arnd Bergmann 2011-08-23 12:51 ` Linus Walleij 2011-08-23 12:51 ` Linus Walleij 2011-08-23 12:51 ` Linus Walleij [not found] ` <CACRpkdY=nVQYnznTU7=_D0n1V1U_xOKH2y75-jKp7k7NzwH8Zw-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2011-08-23 18:49 ` Stephen Warren 2011-08-23 18:49 ` Stephen Warren 2011-08-23 18:49 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04B24A38E6-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-08-23 20:00 ` Linus Walleij 2011-08-23 20:00 ` Linus Walleij 2011-08-23 20:00 ` Linus Walleij 2011-08-22 19:56 ` Stephen Warren 2011-08-22 19:56 ` Stephen Warren 2011-08-22 19:56 ` Stephen Warren [not found] ` <74CDBE0F657A3D45AFBB94109FB122FF04B24A3687-C7FfzLzN0UxDw2glCA4ptUEOCMrvLtNR@public.gmane.org> 2011-08-22 22:56 ` Olof Johansson 2011-08-22 22:56 ` Olof Johansson 2011-08-22 22:56 ` Olof Johansson 2011-08-15 20:28 ` Stephen Warren [this message] 2011-08-15 20:28 ` [RFC PATCH v2 09/13] gpio/tegra: Add device tree support Stephen Warren [not found] ` <1313440100-17131-10-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-16 3:39 ` Shawn Guo 2011-08-16 3:39 ` Shawn Guo 2011-08-16 3:39 ` Shawn Guo 2011-08-15 20:28 ` [RFC PATCH v2 11/13] arm/tegra: Add device tree support to pinmux driver Stephen Warren 2011-08-15 20:28 ` Stephen Warren [not found] ` <1313440100-17131-12-git-send-email-swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org> 2011-08-16 3:45 ` Shawn Guo 2011-08-16 3:45 ` Shawn Guo 2011-08-16 3:45 ` Shawn Guo [not found] ` <20110816034509.GG8044-+NayF8gZjK2ctlrPMvKcciBecyulp+rMXqFh9Ls21Oc@public.gmane.org> 2011-08-23 23:35 ` Stephen Warren 2011-08-23 23:35 ` Stephen Warren 2011-08-23 23:35 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 12/13] arm/tegra: board-dt: Remove dependency on non-dt pinmux functions Stephen Warren 2011-08-15 20:28 ` Stephen Warren 2011-08-15 20:28 ` [RFC PATCH v2 13/13] arm/tegra: Remove temporary gpio/pinmux registration workaround Stephen Warren 2011-08-15 20:28 ` Stephen Warren
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