[PATCHv2] omap: rx51: Platform support for lp5523 led chip
From: Ameya Palande <hidden>
Date: 2011-03-31 13:38:12
Also in:
linux-omap
Subsystem:
arm port, omap2+ support, the rest · Maintainers:
Russell King, Aaro Koskinen, Andreas Kemnade, Kevin Hilman, Roger Quadros, Tony Lindgren, Linus Torvalds
Signed-off-by: Ameya Palande <redacted> Signed-off-by: Mathias Nyman <redacted> --- arch/arm/mach-omap2/board-rx51-peripherals.c | 74 ++++++++++++++++++++++++++ 1 files changed, 74 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index bbcb677..ed289d1 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c@@ -38,6 +38,7 @@ #include <sound/tpa6130a2-plat.h> #include <media/radio-si4713.h> #include <media/si4713.h> +#include <linux/leds-lp5523.h> #include <../drivers/staging/iio/light/tsl2563.h>
@@ -51,6 +52,7 @@ #define RX51_WL1251_IRQ_GPIO 42 #define RX51_FMTX_RESET_GPIO 163 #define RX51_FMTX_IRQ 53 +#define RX51_LP5523_CHIP_EN_GPIO 41 /* list all spi devices here */ enum {
@@ -67,6 +69,72 @@ static struct tsl2563_platform_data rx51_tsl2563_platform_data = { }; #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_one(RX51_LP5523_CHIP_EN_GPIO, GPIOF_DIR_OUT, + "lp5523_enable"); + if (err < 0) { + pr_err("Unable to get lp5523_enable GPIO\n"); + return err; + } + + return err; +} + +static void rx51_lp5523_release(void) +{ + gpio_free(RX51_LP5523_CHIP_EN_GPIO); +} + +static void rx51_lp5523_enable(bool state) +{ + gpio_set_value(RX51_LP5523_CHIP_EN_GPIO, !!state); +} + +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,
@@ -816,6 +884,12 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = { .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,
--
1.7.1