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[ARM] tegra: stingray: Configure Charge LED

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Configure GPIO_PZ5 to control the charge LED.  For now, charge LEDs
are enabled when device is powered up.  GPIO is also exported to
enable factory testing.

Change-Id: I6bf7345cc795d57c1312c2c14ab1c74863a421ce
Signed-off-by: Greg Meiste <w30289@motorola.com>
This commit is contained in:
Greg Meiste
2010-08-05 10:38:12 -05:00
committed by Colin Cross
parent 81a8a0e81e
commit 243777788c
1 changed files with 11 additions and 0 deletions
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11
arch/arm/mach-tegra/board-stingray.c
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@@ -861,6 +861,17 @@ static void __init tegra_stingray_init(void)
gpio_export(TEGRA_GPIO_PI4, false);
}
/* Enable charge LEDs */
if (stingray_revision() >= STINGRAY_REVISION_P0) {
/* Set the SYS_CLK_REQ override bit to allow PZ5 to be used
as a GPIO. */
writel(0, IO_TO_VIRT(TEGRA_PMC_BASE + 0x01C));
tegra_gpio_enable(TEGRA_GPIO_PZ5);
gpio_request(TEGRA_GPIO_PZ5, "chg_led_disable");
gpio_direction_output(TEGRA_GPIO_PZ5, 0);
gpio_export(TEGRA_GPIO_PZ5, false);
}
stingray_pinmux_init();
tegra_clk_init_from_table(stingray_clk_init_table);