linux-kernel - [PATCHv4] ARM: tegra: add gpiod

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Message-Id: <1386074998-17833-1-git-send-email-heikki.krogerus@linux.intel.com>
Date:	Tue,  3 Dec 2013 14:49:58 +0200
From:	Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	Linus Walleij <linus.walleij@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Chris Ball <cjb@...top.org>,
	Johannes Berg <johannes@...solutions.net>,
	Rhyland Klein <rklein@...dia.com>,
	Adrian Hunter <adrian.hunter@...el.com>,
	Alexandre Courbot <acourbot@...dia.com>,
	Mathias Nyman <mathias.nyman@...ux.intel.com>,
	Rob Landley <rob@...dley.net>,
	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: [PATCHv4] ARM: tegra: add gpiod_lookup table for paz00

This makes it possible to request the gpio descriptors in
rfkill_gpio driver regardless of the platform.

Signed-off-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>
---
 arch/arm/mach-tegra/board-paz00.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

Changes since v3:
-----------------
Rebased on top of Alexandre's patch "gpio: better lookup method for
platform GPIOs".

diff --git a/arch/arm/mach-tegra/board-paz00.c b/arch/arm/mach-tegra/board-paz00.c
index 06f0240..e4dec9f 100644
--- a/arch/arm/mach-tegra/board-paz00.c
+++ b/arch/arm/mach-tegra/board-paz00.c
@@ -18,6 +18,7 @@
  */
 
 #include <linux/platform_device.h>
+#include <linux/gpio/driver.h>
 #include <linux/rfkill-gpio.h>
 #include "board.h"
 
@@ -36,7 +37,17 @@ static struct platform_device wifi_rfkill_device = {
 	},
 };
 
+static struct gpiod_lookup_table wifi_gpio_lookup = {
+	.dev_id = "rfkill_gpio",
+	.table = {
+		GPIO_LOOKUP_IDX("tegra-gpio", 25, NULL, 0, 0),
+		GPIO_LOOKUP_IDX("tegra-gpio", 85, NULL, 1, 0),
+		{ },
+	},
+};
+
 void __init tegra_paz00_wifikill_init(void)
 {
+	gpiod_add_lookup_table(&wifi_gpio_lookup);
 	platform_device_register(&wifi_rfkill_device);
 }
-- 
1.8.4.4

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