13 files changed, 233 insertions, 2 deletions

diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig
index ea5ec0f3b5b1..cf00b3e3be85 100644
--- a/arch/arm/mach-mxs/Kconfig
+++ b/arch/arm/mach-mxs/Kconfig
@@ -23,6 +23,7 @@ config MACH_STMP378X_DEVB
         select MXS_HAVE_AMBA_DUART
         select MXS_HAVE_PLATFORM_AUART
         select MXS_HAVE_PLATFORM_MXS_MMC
+        select MXS_HAVE_PLATFORM_RTC_STMP3XXX
         help
           Include support for STMP378x-devb platform. This includes specific
           configurations for the board and its peripherals.
@@ -34,6 +35,7 @@ config MACH_MX23EVK
         select MXS_HAVE_PLATFORM_AUART
         select MXS_HAVE_PLATFORM_MXS_MMC
         select MXS_HAVE_PLATFORM_MXSFB
+        select MXS_HAVE_PLATFORM_RTC_STMP3XXX
         help
           Include support for MX23EVK platform. This includes specific
           configurations for the board and its peripherals.
@@ -48,6 +50,9 @@ config MACH_MX28EVK
         select MXS_HAVE_PLATFORM_FLEXCAN
         select MXS_HAVE_PLATFORM_MXS_MMC
         select MXS_HAVE_PLATFORM_MXSFB
+        select MXS_HAVE_PLATFORM_MXS_SAIF
+        select MXS_HAVE_PLATFORM_MXS_I2C
+        select MXS_HAVE_PLATFORM_RTC_STMP3XXX
         select MXS_OCOTP
         help
           Include support for MX28EVK platform. This includes specific
@@ -63,6 +68,7 @@ config MODULE_TX28
         select MXS_HAVE_PLATFORM_MXS_I2C
         select MXS_HAVE_PLATFORM_MXS_MMC
         select MXS_HAVE_PLATFORM_MXS_PWM
+        select MXS_HAVE_PLATFORM_RTC_STMP3XXX
 
 config MODULE_M28
         bool
diff --git a/arch/arm/mach-mxs/clock-mx28.c b/arch/arm/mach-mxs/clock-mx28.c
index 7fa1ac4de7d8..229ae3494216 100644
--- a/arch/arm/mach-mxs/clock-mx28.c
+++ b/arch/arm/mach-mxs/clock-mx28.c
@@ -640,6 +640,8 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK(NULL, "lradc", lradc_clk)
         _REGISTER_CLOCK(NULL, "spdif", spdif_clk)
         _REGISTER_CLOCK("imx28-fb", NULL, lcdif_clk)
+        _REGISTER_CLOCK("mxs-saif.0", NULL, saif0_clk)
+        _REGISTER_CLOCK("mxs-saif.1", NULL, saif1_clk)
 };
 
 static int clk_misc_init(void)
@@ -708,11 +710,11 @@ static int clk_misc_init(void)
 
         /* SAIF has to use frac div for functional operation */
         reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0);
-        reg &= ~BM_CLKCTRL_SAIF0_DIV_FRAC_EN;
+        reg |= BM_CLKCTRL_SAIF0_DIV_FRAC_EN;
         __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF0);
 
         reg = __raw_readl(CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1);
-        reg &= ~BM_CLKCTRL_SAIF1_DIV_FRAC_EN;
+        reg |= BM_CLKCTRL_SAIF1_DIV_FRAC_EN;
         __raw_writel(reg, CLKCTRL_BASE_ADDR + HW_CLKCTRL_SAIF1);
 
         /*
@@ -780,6 +782,8 @@ int __init mx28_clocks_init(void)
         clk_enable(&uart_clk);
 
         clk_set_parent(&lcdif_clk, &ref_pix_clk);
+        clk_set_parent(&saif0_clk, &pll0_clk);
+        clk_set_parent(&saif1_clk, &pll0_clk);
 
         clkdev_add_table(lookups, ARRAY_SIZE(lookups));
 
diff --git a/arch/arm/mach-mxs/devices-mx23.h b/arch/arm/mach-mxs/devices-mx23.h
index c6f345febd39..3fa651d2c994 100644
--- a/arch/arm/mach-mxs/devices-mx23.h
+++ b/arch/arm/mach-mxs/devices-mx23.h
@@ -29,3 +29,5 @@ extern const struct mxs_mxs_mmc_data mx23_mxs_mmc_data[] __initconst;
 
 struct platform_device *__init mx23_add_mxsfb(
                 const struct mxsfb_platform_data *pdata);
+
+struct platform_device *__init mx23_add_rtc_stmp3xxx(void);
diff --git a/arch/arm/mach-mxs/devices-mx28.h b/arch/arm/mach-mxs/devices-mx28.h
index 79b94523954a..c8887103f0e3 100644
--- a/arch/arm/mach-mxs/devices-mx28.h
+++ b/arch/arm/mach-mxs/devices-mx28.h
@@ -45,3 +45,8 @@ extern const struct mxs_mxs_mmc_data mx28_mxs_mmc_data[] __initconst;
 
 struct platform_device *__init mx28_add_mxsfb(
                 const struct mxsfb_platform_data *pdata);
+
+extern const struct mxs_saif_data mx28_saif_data[] __initconst;
+#define mx28_add_saif(id)              mxs_add_saif(&mx28_saif_data[id])
+
+struct platform_device *__init mx28_add_rtc_stmp3xxx(void);
diff --git a/arch/arm/mach-mxs/devices/Kconfig b/arch/arm/mach-mxs/devices/Kconfig
index acf9eea124c0..18b6bf526a27 100644
--- a/arch/arm/mach-mxs/devices/Kconfig
+++ b/arch/arm/mach-mxs/devices/Kconfig
@@ -23,3 +23,9 @@ config MXS_HAVE_PLATFORM_MXS_PWM
 
 config MXS_HAVE_PLATFORM_MXSFB
         bool
+
+config MXS_HAVE_PLATFORM_MXS_SAIF
+        bool
+
+config MXS_HAVE_PLATFORM_RTC_STMP3XXX
+        bool
diff --git a/arch/arm/mach-mxs/devices/Makefile b/arch/arm/mach-mxs/devices/Makefile
index 351915c683ff..f52e3e53baec 100644
--- a/arch/arm/mach-mxs/devices/Makefile
+++ b/arch/arm/mach-mxs/devices/Makefile
@@ -8,3 +8,5 @@ obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_MMC) += platform-mxs-mmc.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_PWM) += platform-mxs-pwm.o
 obj-y += platform-gpio-mxs.o
 obj-$(CONFIG_MXS_HAVE_PLATFORM_MXSFB) += platform-mxsfb.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_MXS_SAIF) += platform-mxs-saif.o
+obj-$(CONFIG_MXS_HAVE_PLATFORM_RTC_STMP3XXX) += platform-rtc-stmp3xxx.o
diff --git a/arch/arm/mach-mxs/devices/platform-mxs-saif.c b/arch/arm/mach-mxs/devices/platform-mxs-saif.c
new file mode 100644
index 000000000000..1ec965e9fe92
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-mxs-saif.c
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * 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/compiler.h>
+#include <linux/err.h>
+#include <linux/init.h>
+
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#define mxs_saif_data_entry_single(soc, _id)                            \
+        {                                                               \
+                .id = _id,                                              \
+                .iobase = soc ## _SAIF ## _id ## _BASE_ADDR,            \
+                .irq = soc ## _INT_SAIF ## _id,                         \
+                .dma = soc ## _DMA_SAIF ## _id,                         \
+                .dmairq = soc ## _INT_SAIF ## _id ##_DMA,               \
+        }
+
+#define mxs_saif_data_entry(soc, _id)                                   \
+        [_id] = mxs_saif_data_entry_single(soc, _id)
+
+#ifdef CONFIG_SOC_IMX28
+const struct mxs_saif_data mx28_saif_data[] __initconst = {
+        mxs_saif_data_entry(MX28, 0),
+        mxs_saif_data_entry(MX28, 1),
+};
+#endif
+
+struct platform_device *__init mxs_add_saif(const struct mxs_saif_data *data)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + SZ_4K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irq,
+                        .end = data->irq,
+                        .flags = IORESOURCE_IRQ,
+                }, {
+                        .start = data->dma,
+                        .end = data->dma,
+                        .flags = IORESOURCE_DMA,
+                }, {
+                        .start = data->dmairq,
+                        .end = data->dmairq,
+                        .flags = IORESOURCE_IRQ,
+                },
+
+        };
+
+        return mxs_add_platform_device("mxs-saif", data->id, res,
+                                        ARRAY_SIZE(res), NULL, 0);
+}
diff --git a/arch/arm/mach-mxs/devices/platform-rtc-stmp3xxx.c b/arch/arm/mach-mxs/devices/platform-rtc-stmp3xxx.c
new file mode 100644
index 000000000000..639eaee15553
--- /dev/null
+++ b/arch/arm/mach-mxs/devices/platform-rtc-stmp3xxx.c
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2011 Pengutronix, Wolfram Sang <w.sang@pengutronix.de>
+ *
+ * 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 <asm/sizes.h>
+#include <mach/mx23.h>
+#include <mach/mx28.h>
+#include <mach/devices-common.h>
+
+#ifdef CONFIG_SOC_IMX23
+struct platform_device *__init mx23_add_rtc_stmp3xxx(void)
+{
+        struct resource res[] = {
+                {
+                        .start = MX23_RTC_BASE_ADDR,
+                        .end = MX23_RTC_BASE_ADDR + SZ_8K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = MX23_INT_RTC_ALARM,
+                        .end = MX23_INT_RTC_ALARM,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return mxs_add_platform_device("stmp3xxx-rtc", 0, res, ARRAY_SIZE(res),
+                                        NULL, 0);
+}
+#endif /* CONFIG_SOC_IMX23 */
+
+#ifdef CONFIG_SOC_IMX28
+struct platform_device *__init mx28_add_rtc_stmp3xxx(void)
+{
+        struct resource res[] = {
+                {
+                        .start = MX28_RTC_BASE_ADDR,
+                        .end = MX28_RTC_BASE_ADDR + SZ_8K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = MX28_INT_RTC_ALARM,
+                        .end = MX28_INT_RTC_ALARM,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return mxs_add_platform_device("stmp3xxx-rtc", 0, res, ARRAY_SIZE(res),
+                                        NULL, 0);
+}
+#endif /* CONFIG_SOC_IMX28 */
diff --git a/arch/arm/mach-mxs/include/mach/devices-common.h b/arch/arm/mach-mxs/include/mach/devices-common.h
index 812d7a813a78..a8080f44c03d 100644
--- a/arch/arm/mach-mxs/include/mach/devices-common.h
+++ b/arch/arm/mach-mxs/include/mach/devices-common.h
@@ -92,3 +92,15 @@ struct platform_device *__init mxs_add_mxs_mmc(
 /* pwm */
 struct platform_device *__init mxs_add_mxs_pwm(
                 resource_size_t iobase, int id);
+
+/* saif */
+struct mxs_saif_data {
+        int id;
+        resource_size_t iobase;
+        resource_size_t irq;
+        resource_size_t dma;
+        resource_size_t dmairq;
+};
+
+struct platform_device *__init mxs_add_saif(
+                const struct mxs_saif_data *data);
diff --git a/arch/arm/mach-mxs/mach-mx23evk.c b/arch/arm/mach-mxs/mach-mx23evk.c
index 69e218de536e..c325fbe4e4c6 100644
--- a/arch/arm/mach-mxs/mach-mx23evk.c
+++ b/arch/arm/mach-mxs/mach-mx23evk.c
@@ -166,6 +166,7 @@ static void __init mx23evk_init(void)
                 gpio_set_value(MX23EVK_BL_ENABLE, 1);
 
         mx23_add_mxsfb(&mx23evk_mxsfb_pdata);
+        mx23_add_rtc_stmp3xxx();
 }
 
 static void __init mx23evk_timer_init(void)
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c
index 0173c3bce4ef..ac2316d53d3c 100644
--- a/arch/arm/mach-mxs/mach-mx28evk.c
+++ b/arch/arm/mach-mxs/mach-mx28evk.c
@@ -17,6 +17,9 @@
 #include <linux/gpio.h>
 #include <linux/leds.h>
 #include <linux/clk.h>
+#include <linux/i2c.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/fixed.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -182,6 +185,24 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = {
 
         /* led */
         MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL,
+
+        /* I2C */
+        MX28_PAD_I2C0_SCL__I2C0_SCL |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+        MX28_PAD_I2C0_SDA__I2C0_SDA |
+                (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP),
+
+        /* 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 */
@@ -351,6 +372,50 @@ static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = {
         },
 };
 
+static struct i2c_board_info mxs_i2c0_board_info[] __initdata = {
+        {
+                I2C_BOARD_INFO("sgtl5000", 0x0a),
+        },
+};
+
+#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE)
+static struct regulator_consumer_supply mx28evk_audio_consumer_supplies[] = {
+        REGULATOR_SUPPLY("VDDA", "0-000a"),
+        REGULATOR_SUPPLY("VDDIO", "0-000a"),
+};
+
+static struct regulator_init_data mx28evk_vdd_reg_init_data = {
+        .constraints    = {
+                .name   = "3V3",
+                .always_on = 1,
+        },
+        .consumer_supplies = mx28evk_audio_consumer_supplies,
+        .num_consumer_supplies = ARRAY_SIZE(mx28evk_audio_consumer_supplies),
+};
+
+static struct fixed_voltage_config mx28evk_vdd_pdata = {
+        .supply_name    = "board-3V3",
+        .microvolts     = 3300000,
+        .gpio           = -EINVAL,
+        .enabled_at_boot = 1,
+        .init_data      = &mx28evk_vdd_reg_init_data,
+};
+static struct platform_device mx28evk_voltage_regulator = {
+        .name           = "reg-fixed-voltage",
+        .id             = -1,
+        .num_resources  = 0,
+        .dev            = {
+                .platform_data  = &mx28evk_vdd_pdata,
+        },
+};
+static void __init mx28evk_add_regulators(void)
+{
+        platform_device_register(&mx28evk_voltage_regulator);
+}
+#else
+static void __init mx28evk_add_regulators(void) {}
+#endif
+
 static struct gpio mx28evk_lcd_gpios[] = {
         { MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" },
         { MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" },
@@ -389,6 +454,18 @@ static void __init mx28evk_init(void)
         else
                 mx28_add_mxsfb(&mx28evk_mxsfb_pdata);
 
+        mx28_add_saif(0);
+        mx28_add_saif(1);
+
+        mx28_add_mxs_i2c(0);
+        i2c_register_board_info(0, mxs_i2c0_board_info,
+                                ARRAY_SIZE(mxs_i2c0_board_info));
+
+        mx28evk_add_regulators();
+
+        mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0,
+                        NULL, 0);
+
         /* 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");
@@ -403,6 +480,9 @@ static void __init mx28evk_init(void)
         else
                 mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
 
+        mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]);
+        mx28_add_rtc_stmp3xxx();
+
         gpio_led_register_device(0, &mx28evk_led_data);
 }
 
diff --git a/arch/arm/mach-mxs/mach-stmp378x_devb.c b/arch/arm/mach-mxs/mach-stmp378x_devb.c
index 3fe5dd532145..177e53123a02 100644
--- a/arch/arm/mach-mxs/mach-stmp378x_devb.c
+++ b/arch/arm/mach-mxs/mach-stmp378x_devb.c
@@ -90,6 +90,7 @@ static void __init stmp378x_dvb_init(void)
 
         mx23_add_duart();
         mx23_add_auart0();
+        mx23_add_rtc_stmp3xxx();
 
         /* power on mmc slot */
         ret = gpio_request_one(STMP378X_DEVB_MMC0_SLOT_POWER,
diff --git a/arch/arm/mach-mxs/mach-tx28.c b/arch/arm/mach-mxs/mach-tx28.c
index 955593806fd2..9a1f0e7a338e 100644
--- a/arch/arm/mach-mxs/mach-tx28.c
+++ b/arch/arm/mach-mxs/mach-tx28.c
@@ -161,6 +161,7 @@ static void __init tx28_stk5v3_init(void)
         i2c_register_board_info(0, tx28_stk5v3_i2c_boardinfo,
                         ARRAY_SIZE(tx28_stk5v3_i2c_boardinfo));
         mx28_add_mxs_mmc(0, &tx28_mmc0_pdata);
+        mx28_add_rtc_stmp3xxx();
 }
 
 static void __init tx28_timer_init(void)