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From 11a78ddde39b0ae90c718b724426e01b6af3f8e1 Mon Sep 17 00:00:00 2001
From: Koen Kooi <koen@dominion.thruhere.net>
Date: Fri, 11 May 2012 13:08:24 +0200
Subject: [PATCH 35/56] beaglebone: enable LEDs for DVI, LCD3 and LCD7 capes
Signed-off-by: Koen Kooi <koen@dominion.thruhere.net>
---
arch/arm/mach-omap2/board-am335xevm.c | 140 ++++++++++++++++++++++++++++++--
1 files changed, 131 insertions(+), 9 deletions(-)
diff --git a/arch/arm/mach-omap2/board-am335xevm.c b/arch/arm/mach-omap2/board-am335xevm.c
index e02c0b6..8db33b9 100644
--- a/arch/arm/mach-omap2/board-am335xevm.c
+++ b/arch/arm/mach-omap2/board-am335xevm.c
@@ -496,6 +496,7 @@ static bool beaglebone_cape_detected;
/* keep track of ADC pin usage */
static int capecount = 0;
static bool beaglebone_tsadcpins_free = 1;
+static bool beaglebone_leds_free = 1;
#define GP_EVM_REV_IS_1_0 0x1
@@ -600,23 +601,26 @@ static struct pinmux_config lcdc16_pin_mux[] = {
/* Module pin mux for Beagleboardtoys DVI cape */
static struct pinmux_config dvia1_pin_mux[] = {
- {"gpmc_a2.rgmii2_td3", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR0 LED
- {"gpmc_a3.rgmii2_td2", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR1 LED
+ {"gpmc_a2.gpio1_18", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR0 LED
+ {"gpmc_a3.gpio1_19", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR1 LED
{"gpmc_ad7.gpmc_ad7", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // DVI PDn
{NULL, 0},
};
static struct pinmux_config dvia2_pin_mux[] = {
- {"gpmc_a2.rgmii2_td3", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR0 LED
- {"gpmc_a3.rgmii2_td2", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR1 LED
+ {"gpmc_a2.gpio1_18", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR0 LED
+ {"gpmc_a3.gpio1_19", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR1 LED
{"gpmc_csn2.gpio1_31", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // DVI PDn
{NULL, 0},
};
/* Module pin mux for Beagleboardtoys 3.5" LCD cape */
static struct pinmux_config bbtoys35_pin_mux[] = {
+ {"gpmc_a2.gpio1_18", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR0 LED
+ {"gpmc_a3.gpio1_19", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // USR1 LED
{NULL, 0},
};
+
/* Module pin mux for Beagleboardtoys 7" LCD cape */
static struct pinmux_config bbtoys7_pin_mux[] = {
{"ecap0_in_pwm0_out.gpio0_7", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT}, // AVDD_EN
@@ -1018,6 +1022,7 @@ static struct pinmux_config lcd7_keys_pin_mux[] = {
{"gpmc_a3.gpio1_19", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
{"mcasp0_axr0.gpio3_16", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
{"mcasp0_fsr.gpio3_19", OMAP_MUX_MODE7 | AM33XX_PIN_INPUT},
+ {"gpmc_ben1.gpio1_28", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
{NULL, 0},
};
@@ -1327,6 +1332,94 @@ static struct platform_device dvi_leds_gpio = {
},
};
+#define BEAGLEBONELCD3_USR0_LED GPIO_TO_PIN(1, 18)
+#define BEAGLEBONELCD3_USR1_LED GPIO_TO_PIN(1, 19)
+
+static struct gpio_led lcd3_gpio_leds[] = {
+ {
+ .name = "beaglebone::usr0",
+ .default_trigger = "heartbeat",
+ .gpio = BEAGLEBONE_USR1_LED,
+ },
+ {
+ .name = "beaglebone::usr1",
+ .default_trigger = "mmc0",
+ .gpio = BEAGLEBONE_USR2_LED,
+ },
+ {
+ .name = "beaglebone::usr2",
+ .gpio = BEAGLEBONE_USR3_LED,
+ },
+ {
+ .name = "beaglebone::usr3",
+ .gpio = BEAGLEBONE_USR4_LED,
+ },
+ {
+ .name = "lcd3::usr0",
+ .default_trigger = "heartbeat",
+ .gpio = BEAGLEBONELCD3_USR0_LED,
+ },
+ {
+ .name = "lcd3::usr1",
+ .default_trigger = "mmc0",
+ .gpio = BEAGLEBONELCD3_USR1_LED,
+ },
+};
+
+static struct gpio_led_platform_data lcd3_gpio_led_info = {
+ .leds = lcd3_gpio_leds,
+ .num_leds = ARRAY_SIZE(lcd3_gpio_leds),
+};
+
+static struct platform_device lcd3_leds_gpio = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &lcd3_gpio_led_info,
+ },
+};
+
+#define BEAGLEBONELCD7_USR_LED GPIO_TO_PIN(1, 28)
+
+static struct gpio_led lcd7_gpio_leds[] = {
+ {
+ .name = "beaglebone::usr0",
+ .default_trigger = "heartbeat",
+ .gpio = BEAGLEBONE_USR1_LED,
+ },
+ {
+ .name = "beaglebone::usr1",
+ .default_trigger = "mmc0",
+ .gpio = BEAGLEBONE_USR2_LED,
+ },
+ {
+ .name = "beaglebone::usr2",
+ .gpio = BEAGLEBONE_USR3_LED,
+ },
+ {
+ .name = "beaglebone::usr3",
+ .gpio = BEAGLEBONE_USR4_LED,
+ },
+ {
+ .name = "lcd7::usr",
+ .default_trigger = "heartbeat",
+ .gpio = BEAGLEBONELCD7_USR_LED,
+ },
+};
+
+static struct gpio_led_platform_data lcd7_gpio_led_info = {
+ .leds = lcd7_gpio_leds,
+ .num_leds = ARRAY_SIZE(lcd7_gpio_leds),
+};
+
+static struct platform_device lcd7_leds_gpio = {
+ .name = "leds-gpio",
+ .id = -1,
+ .dev = {
+ .platform_data = &lcd7_gpio_led_info,
+ },
+};
+
static struct pinmux_config bone_pin_mux[] = {
/* User LED gpios (gpio1_21 to gpio1_24) */
{"gpmc_a5.rgmii2_td0", OMAP_MUX_MODE7 | AM33XX_PIN_OUTPUT},
@@ -1595,6 +1688,22 @@ static void dvileds_init(int evm_id, int profile )
pr_err("failed to register BeagleBone DVI cape LEDS\n");
}
+static void lcd3leds_init(int evm_id, int profile )
+{
+ int err;
+ err = platform_device_register(&lcd3_leds_gpio);
+ if (err)
+ pr_err("failed to register BeagleBone LCD cape LEDs\n");
+}
+
+static void lcd7leds_init(int evm_id, int profile )
+{
+ int err;
+ err = platform_device_register(&lcd7_leds_gpio);
+ if (err)
+ pr_err("failed to register BeagleBone LCD cape LED\n");
+}
+
static void bonew1_gpio_init(int evm_id, int profile )
{
int err;
@@ -2102,10 +2211,15 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
ret = mem_acc->read(mem_acc, (char *)&cape_config, 0, sizeof(cape_config));
if (ret != sizeof(cape_config)) {
pr_warning("BeagleBone cape EEPROM: could not read eeprom at address 0x%x\n", capecount + 0x53);
- if ((capecount > 3) && (beaglebone_tsadcpins_free == 1)) {
- pr_info("BeagleBone cape: exporting ADC pins to sysfs\n");
- bone_tsc_init(0,0);
- beaglebone_tsadcpins_free = 0;
+ if (capecount > 3) {
+ if (beaglebone_tsadcpins_free == 1) {
+ pr_info("BeagleBone cape: exporting ADC pins to sysfs\n");
+ bone_tsc_init(0,0);
+ beaglebone_tsadcpins_free = 0;
+ }
+ if (beaglebone_leds_free == 1) {
+ boneleds_init(0,0);
+ }
}
return;
}
@@ -2127,6 +2241,9 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
if (!strncmp("BB-BONE-DVID-01", cape_config.partnumber, 15)) {
pr_info("BeagleBone cape: initializing DVI cape\n");
+ beaglebone_leds_free = 0;
+ dvileds_init(0,0);
+
if (!strncmp("00A1", cape_config.version, 4) || !strncmp("000A", cape_config.version, 4)) {
pr_info("BeagleBone cape: DVI init for revision A1 or older\n");
setup_pin_mux(dvia1_pin_mux);
@@ -2151,6 +2268,10 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
beaglebone_tsadcpins_free = 0;
pr_info("BeagleBone cape: Registering gpio-keys for LCD cape\n");
beaglebone_lcd7_keys_init(0,0);
+
+ // A1 or newer
+ beaglebone_leds_free = 0;
+ lcd7leds_init(0,0);
}
if (!strncmp("BB-BONE-LCD3-01", cape_config.partnumber, 15)) {
@@ -2161,6 +2282,8 @@ static void beaglebone_cape_setup(struct memory_accessor *mem_acc, void *context
beaglebone_tsadcpins_free = 0;
pr_info("BeagleBone cape: Registering gpio-keys for LCD cape\n");
beaglebone_lcd3_keys_init(0,0);
+ beaglebone_leds_free = 0;
+ lcd3leds_init(0,0);
}
if (!strncmp("BB-BONE-VGA-01", cape_config.partnumber, 14)) {
@@ -2659,7 +2782,6 @@ static struct evm_dev_cfg beaglebone_dev_cfg[] = {
{usb1_init, DEV_ON_BASEBOARD, PROFILE_NONE},
{i2c2_init, DEV_ON_BASEBOARD, PROFILE_NONE},
{mmc0_init, DEV_ON_BASEBOARD, PROFILE_NONE},
- {boneleds_init, DEV_ON_BASEBOARD, PROFILE_ALL},
{bonew1_gpio_init, DEV_ON_BASEBOARD, PROFILE_ALL},
{NULL, 0, 0},
};
--
1.7.7.6
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