ARM: mxs: add saif device

[cascardo/linux.git] / arch / arm / mach-mxs / mach-mx28evk.c

diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 56767a5..1e5fda9 100644 (file)
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -15,6 +15,7 @@
 #include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
+#include <linux/leds.h>
 #include <linux/irq.h>
 #include <linux/clk.h>
 
@@ -29,6 +30,7 @@
 
 #define MX28EVK_FLEXCAN_SWITCH MXS_GPIO_NR(2, 13)
 #define MX28EVK_FEC_PHY_POWER  MXS_GPIO_NR(2, 15)
+#define MX28EVK_GPIO_LED       MXS_GPIO_NR(3, 5)
 #define MX28EVK_BL_ENABLE      MXS_GPIO_NR(3, 18)
 #define MX28EVK_LCD_ENABLE     MXS_GPIO_NR(3, 30)
 #define MX28EVK_FEC_PHY_RESET  MXS_GPIO_NR(4, 13)
@@ -178,6 +180,35 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
        /* slot power enable */
        MX28_PAD_PWM4__GPIO_3_29 |
                (MXS_PAD_4MA | MXS_PAD_3V3 | MXS_PAD_NOPULL),
+
+       /* led */
+       MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
+
+       /* saif0 & saif1 */
+       MX28_PAD_SAIF0_MCLK__SAIF0_MCLK |
+               (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+       MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK |
+               (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+       MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK |
+               (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+       MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 |
+               (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+       MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 |
+               (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+};
+
+/* led */
+static const struct gpio_led mx28evk_leds[] __initconst = {
+       {
+               .name = "GPIO-LED",
+               .default_trigger = "heartbeat",
+               .gpio = MX28EVK_GPIO_LED,
+       },
+};
+
+static const struct gpio_led_platform_data mx28evk_led_data __initconst = {
+       .leds = mx28evk_leds,
+       .num_leds = ARRAY_SIZE(mx28evk_leds),
 };
 
 /* fec */
@@ -373,6 +404,9 @@ static void __init mx28evk_init(void)
 
        mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
 
+       mx28_add_saif(0);
+       mx28_add_saif(1);
+
        /* power on mmc slot by writing 0 to the gpio */
        ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW,
                               "mmc0-slot-power");
@@ -385,6 +419,8 @@ static void __init mx28evk_init(void)
        if (ret)
                pr_warn("failed to request gpio mmc1-slot-power: %d\n", ret);
        mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
+
+       gpio_led_register_device(0, &mx28evk_led_data);
 }
 
 static void __init mx28evk_timer_init(void)