[ARM] pxa/balloon3: PCF857x GPIO expander and LEDs (02a453e4) · Commits · e / devices / android_kernel_fairphone_FP3

arch/arm/mach-pxa/balloon3.c

+81 −3

Original line number	Original line	Diff line number	Diff line
	@@ -26,6 +26,7 @@
	#include <linux/mtd/mtd.h>		#include <linux/mtd/mtd.h>
	#include <linux/mtd/partitions.h>		#include <linux/mtd/partitions.h>
	#include <linux/types.h>		#include <linux/types.h>
			#include <linux/i2c/pcf857x.h>

	#include <asm/setup.h>		#include <asm/setup.h>
	#include <asm/mach-types.h>		#include <asm/mach-types.h>
	@@ -375,15 +376,65 @@ static struct gpio_led_platform_data balloon3_gpio_led_info = {

	static struct platform_device balloon3_leds = {		static struct platform_device balloon3_leds = {
	.name = "leds-gpio",		.name = "leds-gpio",
	.id = -1,		.id = 0,
	.dev = {		.dev = {
	.platform_data = &balloon3_gpio_led_info,		.platform_data = &balloon3_gpio_led_info,
	}		}
	};		};

			struct gpio_led balloon3_pcf_gpio_leds[] = {
			{
			.name = "balloon3:green:led0",
			.gpio = BALLOON3_PCF_GPIO_LED0,
			.active_low = 1,
			}, {
			.name = "balloon3:green:led1",
			.gpio = BALLOON3_PCF_GPIO_LED1,
			.active_low = 1,
			}, {
			.name = "balloon3:orange:led2",
			.gpio = BALLOON3_PCF_GPIO_LED2,
			.active_low = 1,
			}, {
			.name = "balloon3:orange:led3",
			.gpio = BALLOON3_PCF_GPIO_LED3,
			.active_low = 1,
			}, {
			.name = "balloon3:orange:led4",
			.gpio = BALLOON3_PCF_GPIO_LED4,
			.active_low = 1,
			}, {
			.name = "balloon3:orange:led5",
			.gpio = BALLOON3_PCF_GPIO_LED5,
			.active_low = 1,
			}, {
			.name = "balloon3:red:led6",
			.gpio = BALLOON3_PCF_GPIO_LED6,
			.active_low = 1,
			}, {
			.name = "balloon3:red:led7",
			.gpio = BALLOON3_PCF_GPIO_LED7,
			.active_low = 1,
			},
			};

			static struct gpio_led_platform_data balloon3_pcf_gpio_led_info = {
			.leds = balloon3_pcf_gpio_leds,
			.num_leds = ARRAY_SIZE(balloon3_pcf_gpio_leds),
			};

			static struct platform_device balloon3_pcf_leds = {
			.name = "leds-gpio",
			.id = 1,
			.dev = {
			.platform_data = &balloon3_pcf_gpio_led_info,
			}
			};

	static void __init balloon3_leds_init(void)		static void __init balloon3_leds_init(void)
	{		{
	platform_device_register(&balloon3_leds);		platform_device_register(&balloon3_leds);
			platform_device_register(&balloon3_pcf_leds);
	}		}
	#else		#else
	static inline void balloon3_leds_init(void) {}		static inline void balloon3_leds_init(void) {}
	@@ -450,6 +501,34 @@ static void __init balloon3_init_irq(void)
	"enabled\n", __func__, BALLOON3_AUX_NIRQ);		"enabled\n", __func__, BALLOON3_AUX_NIRQ);
	}		}

			/******************************************************************************
			* GPIO expander
			******************************************************************************/
			#if defined(CONFIG_GPIO_PCF857X) \|\| defined(CONFIG_GPIO_PCF857X_MODULE)
			static struct pcf857x_platform_data balloon3_pcf857x_pdata = {
			.gpio_base = BALLOON3_PCF_GPIO_BASE,
			.n_latch = 0,
			.setup = NULL,
			.teardown = NULL,
			.context = NULL,
			};

			static struct i2c_board_info __initdata balloon3_i2c_devs[] = {
			{
			I2C_BOARD_INFO("pcf8574a", 0x38),
			.platform_data = &balloon3_pcf857x_pdata,
			},
			};

			static void __init balloon3_i2c_init(void)
			{
			pxa_set_i2c_info(NULL);
			i2c_register_board_info(0, ARRAY_AND_SIZE(balloon3_i2c_devs));
			}
			#else
			static inline void balloon3_i2c_init(void) {}
			#endif

	/******************************************************************************		/******************************************************************************
	* Machine init		* Machine init
	******************************************************************************/		******************************************************************************/
	@@ -463,8 +542,7 @@ static void __init balloon3_init(void)
	pxa_set_btuart_info(NULL);		pxa_set_btuart_info(NULL);
	pxa_set_stuart_info(NULL);		pxa_set_stuart_info(NULL);

	pxa_set_i2c_info(NULL);		balloon3_i2c_init();

	balloon3_irda_init();		balloon3_irda_init();
	balloon3_lcd_init();		balloon3_lcd_init();
	balloon3_leds_init();		balloon3_leds_init();

arch/arm/mach-pxa/include/mach/balloon3.h

+11 −0

Original line number	Original line	Diff line number	Diff line
	@@ -69,6 +69,17 @@ enum balloon3_features {

	#define BALLOON3_GPIO_S0_CD (105)		#define BALLOON3_GPIO_S0_CD (105)

			/* PCF8574A Leds */
			#define BALLOON3_PCF_GPIO_BASE 160
			#define BALLOON3_PCF_GPIO_LED0 (BALLOON3_PCF_GPIO_BASE + 0)
			#define BALLOON3_PCF_GPIO_LED1 (BALLOON3_PCF_GPIO_BASE + 1)
			#define BALLOON3_PCF_GPIO_LED2 (BALLOON3_PCF_GPIO_BASE + 2)
			#define BALLOON3_PCF_GPIO_LED3 (BALLOON3_PCF_GPIO_BASE + 3)
			#define BALLOON3_PCF_GPIO_LED4 (BALLOON3_PCF_GPIO_BASE + 4)
			#define BALLOON3_PCF_GPIO_LED5 (BALLOON3_PCF_GPIO_BASE + 5)
			#define BALLOON3_PCF_GPIO_LED6 (BALLOON3_PCF_GPIO_BASE + 6)
			#define BALLOON3_PCF_GPIO_LED7 (BALLOON3_PCF_GPIO_BASE + 7)

	/* FPGA Interrupt Mask/Acknowledge Register */		/* FPGA Interrupt Mask/Acknowledge Register */
	#define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */		#define BALLOON3_INT_S0_IRQ (1 << 0) /* PCMCIA 0 IRQ */
	#define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */		#define BALLOON3_INT_S0_STSCHG (1 << 1) /* PCMCIA 0 status changed */