diff options
Diffstat (limited to 'recipes/linux/linux-2.6.35/nokia900/linux-2.6.37-omap3-rx51-Platform-support-for-lp5523-led-chip.patch')
| -rw-r--r-- | recipes/linux/linux-2.6.35/nokia900/linux-2.6.37-omap3-rx51-Platform-support-for-lp5523-led-chip.patch | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/recipes/linux/linux-2.6.35/nokia900/linux-2.6.37-omap3-rx51-Platform-support-for-lp5523-led-chip.patch b/recipes/linux/linux-2.6.35/nokia900/linux-2.6.37-omap3-rx51-Platform-support-for-lp5523-led-chip.patch new file mode 100644 index 0000000000..136bd34497 --- /dev/null +++ b/recipes/linux/linux-2.6.35/nokia900/linux-2.6.37-omap3-rx51-Platform-support-for-lp5523-led-chip.patch @@ -0,0 +1,127 @@ +From 918726de27c3a817f1f2ae27a802ad74762d60eb Mon Sep 17 00:00:00 2001 +From: Ameya Palande <ameya.palande@nokia.com> +Date: Wed, 18 Aug 2010 17:50:23 +0300 +Subject: [PATCH] omap3: rx51: Platform support for lp5523 led chip + +Signed-off-by: Ameya Palande <ameya.palande@nokia.com> +--- + arch/arm/mach-omap2/board-rx51-peripherals.c | 83 ++++++++++++++++++++++++++- + 1 file changed, 82 insertions(+), 1 deletion(-) + +--- a/arch/arm/mach-omap2/board-rx51-peripherals.c ++++ b/arch/arm/mach-omap2/board-rx51-peripherals.c +@@ -46,6 +46,7 @@ + + #include <sound/tlv320aic3x.h> + #include <sound/tpa6130a2-plat.h> ++#include <linux/leds-lp5523.h> + + #include "mux.h" + #include "hsmmc.h" +@@ -68,6 +69,8 @@ + #define LIS302_IRQ1_GPIO 181 + #define LIS302_IRQ2_GPIO 180 /* Not yet in use */ + ++#define RX51_LP5523_CHIP_EN_GPIO 41 ++ + /* list all spi devices here */ + enum { + RX51_SPI_WL1251, +@@ -155,6 +158,79 @@ + }; + #endif + ++#if defined(CONFIG_LEDS_LP5523) || defined(CONFIG_LEDS_LP5523_MODULE) ++static struct lp5523_led_config rx51_lp5523_led_config[] = { ++ { ++ .chan_nr = 0, ++ .led_current = 50, ++ }, { ++ .chan_nr = 1, ++ .led_current = 50, ++ }, { ++ .chan_nr = 2, ++ .led_current = 50, ++ }, { ++ .chan_nr = 3, ++ .led_current = 50, ++ }, { ++ .chan_nr = 4, ++ .led_current = 50, ++ }, { ++ .chan_nr = 5, ++ .led_current = 50, ++ }, { ++ .chan_nr = 6, ++ .led_current = 50, ++ }, { ++ .chan_nr = 7, ++ .led_current = 50, ++ }, { ++ .chan_nr = 8, ++ .led_current = 50, ++ } ++}; ++ ++static int rx51_lp5523_setup(void) ++{ ++ int err; ++ ++ err = gpio_request(RX51_LP5523_CHIP_EN_GPIO, "lp5523_enable"); ++ if (err < 0) { ++ pr_err("Unable to get lp5523_enable GPIO\n"); ++ return err; ++ } ++ ++ err = gpio_direction_output(RX51_LP5523_CHIP_EN_GPIO, 1); ++ if (err < 0) { ++ pr_err("Failed to change direction for %d GPIO\n", ++ RX51_LP5523_CHIP_EN_GPIO); ++ } ++ return err; ++} ++ ++static void rx51_lp5523_release(void) ++{ ++ gpio_free(RX51_LP5523_CHIP_EN_GPIO); ++} ++ ++static void rx51_lp5523_enable(bool state) ++{ ++ if (state) ++ gpio_set_value(RX51_LP5523_CHIP_EN_GPIO, 1); ++ else ++ gpio_set_value(RX51_LP5523_CHIP_EN_GPIO, 0); ++} ++ ++static struct lp5523_platform_data rx51_lp5523_platform_data = { ++ .led_config = rx51_lp5523_led_config, ++ .num_channels = ARRAY_SIZE(rx51_lp5523_led_config), ++ .clock_mode = LP5523_CLOCK_AUTO, ++ .setup_resources = rx51_lp5523_setup, ++ .release_resources = rx51_lp5523_release, ++ .enable = rx51_lp5523_enable, ++}; ++#endif ++ + static struct omap2_mcspi_device_config wl1251_mcspi_config = { + .turbo_mode = 0, + .single_channel = 1, +@@ -886,6 +962,12 @@ + .platform_data = &rx51_tsl2563_platform_data, + }, + #endif ++#if defined(CONFIG_LEDS_LP5523) || defined(CONFIG_LEDS_LP5523_MODULE) ++ { ++ I2C_BOARD_INFO("lp5523", 0x32), ++ .platform_data = &rx51_lp5523_platform_data, ++ }, ++#endif + { + I2C_BOARD_INFO("tpa6130a2", 0x60), + .platform_data = &rx51_tpa6130a2_data, +@@ -1235,4 +1317,3 @@ + ARRAY_SIZE(rx51_peripherals_spi_board_info)); + omap2_hsmmc_init(mmc); + } +- |