From 287d4d51e6bb1cd43cb77352bdec5bac1b2e1226 Mon Sep 17 00:00:00 2001 From: Dmitry Eremin-Solenikov Date: Thu, 9 Jan 2014 13:32:18 +0100 Subject: [PATCH] ARM: 7936/1: sa1100: collie: add support for IrDA transceiver Collie has onboard IrDA transceiver controlled via active-low gpio. Add corresponding platform data. Signed-off-by: Dmitry Eremin-Solenikov Signed-off-by: Russell King --- arch/arm/mach-sa1100/collie.c | 33 ++++++++++++++++++++++++++++++ arch/arm/mach-sa1100/include/mach/collie.h | 2 +- 2 files changed, 34 insertions(+), 1 deletion(-) diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c index 831a158..f9874ba 100644 --- a/arch/arm/mach-sa1100/collie.c +++ b/arch/arm/mach-sa1100/collie.c @@ -43,6 +43,7 @@ #include #include #include +#include #include #include @@ -96,6 +97,37 @@ static struct mcp_plat_data collie_mcp_data = { .codec_pdata = &collie_ucb1x00_data, }; +static int collie_ir_startup(struct device *dev) +{ + int rc = gpio_request(COLLIE_GPIO_IR_ON, "IrDA"); + if (rc) + return rc; + rc = gpio_direction_output(COLLIE_GPIO_IR_ON, 1); + + if (!rc) + return 0; + + gpio_free(COLLIE_GPIO_IR_ON); + return rc; +} + +static void collie_ir_shutdown(struct device *dev) +{ + gpio_free(COLLIE_GPIO_IR_ON); +} + +static int collie_ir_set_power(struct device *dev, unsigned int state) +{ + gpio_set_value(COLLIE_GPIO_IR_ON, !state); + return 0; +} + +static struct irda_platform_data collie_ir_data = { + .startup = collie_ir_startup, + .shutdown = collie_ir_shutdown, + .set_power = collie_ir_set_power, +}; + /* * Collie AC IN */ @@ -400,6 +432,7 @@ static void __init collie_init(void) sa11x0_register_mtd(&collie_flash_data, collie_flash_resources, ARRAY_SIZE(collie_flash_resources)); sa11x0_register_mcp(&collie_mcp_data); + sa11x0_register_irda(&collie_ir_data); sharpsl_save_param(); } diff --git a/arch/arm/mach-sa1100/include/mach/collie.h b/arch/arm/mach-sa1100/include/mach/collie.h index f33679d..0ef22f9 100644 --- a/arch/arm/mach-sa1100/include/mach/collie.h +++ b/arch/arm/mach-sa1100/include/mach/collie.h @@ -78,7 +78,7 @@ extern void locomolcd_power(int on); #define COLLIE_TC35143_GPIO_VERSION0 UCB_IO_0 #define COLLIE_TC35143_GPIO_TBL_CHK UCB_IO_1 #define COLLIE_TC35143_GPIO_VPEN_ON UCB_IO_2 -#define COLLIE_TC35143_GPIO_IR_ON UCB_IO_3 +#define COLLIE_GPIO_IR_ON (COLLIE_TC35143_GPIO_BASE + 3) #define COLLIE_TC35143_GPIO_AMP_ON UCB_IO_4 #define COLLIE_TC35143_GPIO_VERSION1 UCB_IO_5 #define COLLIE_TC35143_GPIO_FS8KLPF UCB_IO_5 -- 2.7.4