From: Eduardo Valentin eduardo.valentin@nokia.com
Add board-rx51-audio.c with audio support for rx51 boards. Platform data included for the following drivers: si4713, aic34b_dummy and tpa6130a2.
Signed-off-by: Eduardo Valentin eduardo.valentin@nokia.com --- arch/arm/mach-omap2/Makefile | 1 + arch/arm/mach-omap2/board-rx51-audio.c | 132 ++++++++++++++++++++++++++++++++ 2 files changed, 133 insertions(+), 0 deletions(-) create mode 100644 arch/arm/mach-omap2/board-rx51-audio.c
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile index 6b7702f..50f2fbe 100644 --- a/arch/arm/mach-omap2/Makefile +++ b/arch/arm/mach-omap2/Makefile @@ -70,6 +70,7 @@ obj-$(CONFIG_MACH_OMAP_3430SDP) += board-3430sdp.o \ obj-$(CONFIG_MACH_NOKIA_N8X0) += board-n8x0.o obj-$(CONFIG_MACH_NOKIA_RX51) += board-rx51.o \ board-rx51-peripherals.o \ + board-rx51-audio.o \ mmc-twl4030.o obj-$(CONFIG_MACH_OMAP_ZOOM2) += board-zoom2.o \ mmc-twl4030.o \ diff --git a/arch/arm/mach-omap2/board-rx51-audio.c b/arch/arm/mach-omap2/board-rx51-audio.c new file mode 100644 index 0000000..cba42b5 --- /dev/null +++ b/arch/arm/mach-omap2/board-rx51-audio.c @@ -0,0 +1,132 @@ +/* + * linux/arch/arm/mach-omap2/board-rx51-audio.c + * + * Copyright (C) 2008 Nokia + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/i2c.h> +#include <linux/gpio.h> +#include <linux/delay.h> +#include <linux/i2c/twl4030.h> +#include <sound/tpa6130a2-plat.h> +#include <media/si4713.h> +#include <media/radio-si4713.h> +#include <linux/platform_device.h> +#include <asm/mach-types.h> + +#define RX51_FMTX_RESET_GPIO 163 +#define RX51_FMTX_IRQ 53 +#define RX51_FMRX_IRQ 43 +#define RX51_HEADPHN_EN_GPIO 98 + +static int si4713_set_power(int power) +{ + if (!power) + udelay(1); + gpio_set_value(RX51_FMTX_RESET_GPIO, power); + udelay(50); + + return 0; +} + +static struct si4713_platform_data rx51_si4713_platform_data = { + .set_power = si4713_set_power, +}; + +static void __init rx51_init_si4713(void) +{ + int r; + + r = gpio_request(RX51_FMTX_RESET_GPIO, "si4713"); + if (r < 0) { + printk(KERN_ERR "Failed to request gpio for FMTx rst\n"); + return; + } + + gpio_direction_output(RX51_FMTX_RESET_GPIO, 0); +} + +static int tpa6130a2_set_power(int state) +{ + gpio_set_value(RX51_HEADPHN_EN_GPIO, !!state); + return 0; +} + +static struct tpa6130a2_platform_data rx51_tpa6130a2_platform_data = { + .set_power = tpa6130a2_set_power, +}; + +static void __init rx51_init_tpa6130a2(void) +{ + int r; + + r = gpio_request(RX51_HEADPHN_EN_GPIO, "tpa6130a2"); + if (r < 0) { + printk(KERN_ERR "Failed to request shutdown gpio " + "for TPA6130a2 chip\n"); + } + + gpio_direction_output(RX51_HEADPHN_EN_GPIO, 0); + + return; +} + +struct i2c_board_info si4713_board_info = { + I2C_BOARD_INFO("si4713", SI4713_I2C_ADDR_BUSEN_HIGH), + .irq = OMAP_GPIO_IRQ(RX51_FMTX_IRQ), + .platform_data = &rx51_si4713_platform_data, +}; + +static struct radio_si4713_platform_data rx51_radio_si4713_platform_data = { + .i2c_bus = 2, + .subdev_board_info = &si4713_board_info, +}; + +static struct platform_device radio_fmtx = { + .name = "radio-si4713", + .id = -1, + .dev = { + .platform_data = &rx51_radio_si4713_platform_data, + }, +}; + +static struct platform_device *rx51_audio_devices[] = { + &radio_fmtx, +}; + +static struct i2c_board_info __initdata rx51_audio_i2c_board_info_2[] = { + { + I2C_BOARD_INFO("aic34b_dummy", 0x19), + }, + { + I2C_BOARD_INFO("tlv320aic3x", 0x18), + }, + { + I2C_BOARD_INFO("tpa6130a2", 0x60), + .platform_data = &rx51_tpa6130a2_platform_data, + }, +}; + +static int __init rx51_audio_init(void) +{ + if (!machine_is_nokia_rx51()) + return 0; + + platform_add_devices(rx51_audio_devices, + ARRAY_SIZE(rx51_audio_devices)); + + rx51_init_tpa6130a2(); + rx51_init_si4713(); + i2c_register_board_info(2, rx51_audio_i2c_board_info_2, + ARRAY_SIZE(rx51_audio_i2c_board_info_2)); + + return 0; +} + +subsys_initcall(rx51_audio_init);