25 files changed, 524 insertions, 7 deletions

diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 1532b508c814..00c0a78fc12c 100644
--- a/arch/arm/mach-at91/at91sam9g45.c
+++ b/arch/arm/mach-at91/at91sam9g45.c
@@ -54,6 +54,11 @@ static struct clk pioDE_clk = {
         .pmc_mask       = 1 << AT91SAM9G45_ID_PIODE,
         .type           = CLK_TYPE_PERIPHERAL,
 };
+static struct clk trng_clk = {
+        .name           = "trng_clk",
+        .pmc_mask       = 1 << AT91SAM9G45_ID_TRNG,
+        .type           = CLK_TYPE_PERIPHERAL,
+};
 static struct clk usart0_clk = {
         .name           = "usart0_clk",
         .pmc_mask       = 1 << AT91SAM9G45_ID_US0,
@@ -177,6 +182,7 @@ static struct clk *periph_clocks[] __initdata = {
         &pioB_clk,
         &pioC_clk,
         &pioDE_clk,
+        &trng_clk,
         &usart0_clk,
         &usart1_clk,
         &usart2_clk,
@@ -216,6 +222,7 @@ static struct clk_lookup periph_clocks_lookups[] = {
         CLKDEV_CON_DEV_ID("t0_clk", "atmel_tcb.1", &tcb0_clk),
         CLKDEV_CON_DEV_ID("pclk", "ssc.0", &ssc0_clk),
         CLKDEV_CON_DEV_ID("pclk", "ssc.1", &ssc1_clk),
+        CLKDEV_CON_DEV_ID(NULL, "atmel-trng", &trng_clk),
 };
 
 static struct clk_lookup usart_clocks_lookups[] = {
diff --git a/arch/arm/mach-at91/at91sam9g45_devices.c b/arch/arm/mach-at91/at91sam9g45_devices.c
index c3dfb1b3b1e3..2d6d57f7ba8a 100644
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -1095,6 +1095,34 @@ static void __init at91_add_device_rtt(void)
 
 
 /* --------------------------------------------------------------------
+ *  TRNG
+ * -------------------------------------------------------------------- */
+
+#if defined(CONFIG_HW_RANDOM_ATMEL) || defined(CONFIG_HW_RANDOM_ATMEL_MODULE)
+static struct resource trng_resources[] = {
+        {
+                .start  = AT91SAM9G45_BASE_TRNG,
+                .end    = AT91SAM9G45_BASE_TRNG + SZ_16K - 1,
+                .flags  = IORESOURCE_MEM,
+        },
+};
+
+static struct platform_device at91sam9g45_trng_device = {
+        .name           = "atmel-trng",
+        .id             = -1,
+        .resource       = trng_resources,
+        .num_resources  = ARRAY_SIZE(trng_resources),
+};
+
+static void __init at91_add_device_trng(void)
+{
+        platform_device_register(&at91sam9g45_trng_device);
+}
+#else
+static void __init at91_add_device_trng(void) {}
+#endif
+
+/* --------------------------------------------------------------------
  *  Watchdog
  * -------------------------------------------------------------------- */
 
@@ -1583,6 +1611,7 @@ static int __init at91_add_standard_devices(void)
         at91_add_device_hdmac();
         at91_add_device_rtc();
         at91_add_device_rtt();
+        at91_add_device_trng();
         at91_add_device_watchdog();
         at91_add_device_tc();
         return 0;
diff --git a/arch/arm/mach-imx/clock-imx27.c b/arch/arm/mach-imx/clock-imx27.c
index 6912b821b37b..becc92e0b95d 100644
--- a/arch/arm/mach-imx/clock-imx27.c
+++ b/arch/arm/mach-imx/clock-imx27.c
@@ -583,7 +583,7 @@ DEFINE_CLOCK(emi_clk,      0, PCCR1, 19, NULL, NULL, &ahb_clk);
 DEFINE_CLOCK(dma_clk1,     0, PCCR1, 20, NULL, NULL, &ahb_clk);
 DEFINE_CLOCK(csi_clk1,     0, PCCR1, 21, NULL, NULL, &ahb_clk);
 DEFINE_CLOCK(brom_clk,     0, PCCR1, 22, NULL, NULL, &ahb_clk);
-DEFINE_CLOCK(ata_clk,      0, PCCR1, 23, NULL, NULL, &ahb_clk);
+DEFINE_CLOCK(pata_clk,      0, PCCR1, 23, NULL, NULL, &ahb_clk);
 DEFINE_CLOCK(wdog_clk,     0, PCCR1, 24, NULL, NULL, &ipg_clk);
 DEFINE_CLOCK(usb_clk,      0, PCCR1, 25, get_rate_usb, &usb_clk1, &spll_clk);
 DEFINE_CLOCK(uart6_clk1,   0, PCCR1, 26, NULL, NULL, &ipg_clk);
@@ -666,7 +666,7 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("imx27-fec.0", NULL, fec_clk)
         _REGISTER_CLOCK(NULL, "emi", emi_clk)
         _REGISTER_CLOCK(NULL, "sahara2", sahara2_clk)
-        _REGISTER_CLOCK(NULL, "ata", ata_clk)
+        _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
         _REGISTER_CLOCK(NULL, "mstick", mstick_clk)
         _REGISTER_CLOCK("imx2-wdt.0", NULL, wdog_clk)
         _REGISTER_CLOCK(NULL, "gpio", gpio_clk)
diff --git a/arch/arm/mach-imx/clock-imx31.c b/arch/arm/mach-imx/clock-imx31.c
index d973770b1f96..58ea0a857ef4 100644
--- a/arch/arm/mach-imx/clock-imx31.c
+++ b/arch/arm/mach-imx/clock-imx31.c
@@ -476,7 +476,7 @@ DEFINE_CLOCK(gpt_clk,     0, MXC_CCM_CGR0,  4, NULL, NULL, &perclk_clk);
 DEFINE_CLOCK(epit1_clk,   0, MXC_CCM_CGR0,  6, NULL, NULL, &perclk_clk);
 DEFINE_CLOCK(epit2_clk,   1, MXC_CCM_CGR0,  8, NULL, NULL, &perclk_clk);
 DEFINE_CLOCK(iim_clk,     0, MXC_CCM_CGR0, 10, NULL, NULL, &ipg_clk);
-DEFINE_CLOCK(ata_clk,     0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk);
+DEFINE_CLOCK(pata_clk,     0, MXC_CCM_CGR0, 12, NULL, NULL, &ipg_clk);
 DEFINE_CLOCK(sdma_clk1,   0, MXC_CCM_CGR0, 14, NULL, NULL, &ahb_clk);
 DEFINE_CLOCK(cspi3_clk,   2, MXC_CCM_CGR0, 16, NULL, NULL, &ipg_clk);
 DEFINE_CLOCK(rng_clk,     0, MXC_CCM_CGR0, 18, NULL, NULL, &ipg_clk);
@@ -562,7 +562,7 @@ static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK("imx-ssi.0", NULL, ssi1_clk)
         _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
         _REGISTER_CLOCK(NULL, "firi", firi_clk)
-        _REGISTER_CLOCK(NULL, "ata", ata_clk)
+        _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
         _REGISTER_CLOCK(NULL, "rtic", rtic_clk)
         _REGISTER_CLOCK(NULL, "rng", rng_clk)
         _REGISTER_CLOCK("imx31-sdma", NULL, sdma_clk1)
diff --git a/arch/arm/mach-imx/clock-imx35.c b/arch/arm/mach-imx/clock-imx35.c
index 88b62a071aea..c39f5c3e20b4 100644
--- a/arch/arm/mach-imx/clock-imx35.c
+++ b/arch/arm/mach-imx/clock-imx35.c
@@ -354,7 +354,7 @@ static void clk_cgr_disable(struct clk *clk)
         }
 
 DEFINE_CLOCK(asrc_clk,   0, CCM_CGR0,  0, NULL, NULL);
-DEFINE_CLOCK(ata_clk,    0, CCM_CGR0,  2, get_rate_ipg, NULL);
+DEFINE_CLOCK(pata_clk,    0, CCM_CGR0,  2, get_rate_ipg, NULL);
 /* DEFINE_CLOCK(audmux_clk, 0, CCM_CGR0,  4, NULL, NULL); */
 DEFINE_CLOCK(can1_clk,   0, CCM_CGR0,  6, get_rate_ipg, NULL);
 DEFINE_CLOCK(can2_clk,   1, CCM_CGR0,  8, get_rate_ipg, NULL);
@@ -447,7 +447,7 @@ static struct clk nfc_clk = {
 
 static struct clk_lookup lookups[] = {
         _REGISTER_CLOCK(NULL, "asrc", asrc_clk)
-        _REGISTER_CLOCK(NULL, "ata", ata_clk)
+        _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
         _REGISTER_CLOCK("flexcan.0", NULL, can1_clk)
         _REGISTER_CLOCK("flexcan.1", NULL, can2_clk)
         _REGISTER_CLOCK("imx35-cspi.0", NULL, cspi1_clk)
diff --git a/arch/arm/mach-imx/devices-imx27.h b/arch/arm/mach-imx/devices-imx27.h
index 7f97a3cdd41d..2f727d7c380c 100644
--- a/arch/arm/mach-imx/devices-imx27.h
+++ b/arch/arm/mach-imx/devices-imx27.h
@@ -76,3 +76,7 @@ extern const struct imx_spi_imx_data imx27_cspi_data[];
 #define imx27_add_spi_imx0(pdata)       imx27_add_cspi(0, pdata)
 #define imx27_add_spi_imx1(pdata)       imx27_add_cspi(1, pdata)
 #define imx27_add_spi_imx2(pdata)       imx27_add_cspi(2, pdata)
+
+extern const struct imx_pata_imx_data imx27_pata_imx_data;
+#define imx27_add_pata_imx() \
+        imx_add_pata_imx(&imx27_pata_imx_data)
diff --git a/arch/arm/mach-imx/devices-imx31.h b/arch/arm/mach-imx/devices-imx31.h
index dbe940d9c53a..488e241a6db6 100644
--- a/arch/arm/mach-imx/devices-imx31.h
+++ b/arch/arm/mach-imx/devices-imx31.h
@@ -78,3 +78,7 @@ extern const struct imx_spi_imx_data imx31_cspi_data[];
 #define imx31_add_spi_imx0(pdata)       imx31_add_cspi(0, pdata)
 #define imx31_add_spi_imx1(pdata)       imx31_add_cspi(1, pdata)
 #define imx31_add_spi_imx2(pdata)       imx31_add_cspi(2, pdata)
+
+extern const struct imx_pata_imx_data imx31_pata_imx_data;
+#define imx31_add_pata_imx() \
+        imx_add_pata_imx(&imx31_pata_imx_data)
diff --git a/arch/arm/mach-imx/devices-imx35.h b/arch/arm/mach-imx/devices-imx35.h
index 234cbd3c18af..7b99ef0bb501 100644
--- a/arch/arm/mach-imx/devices-imx35.h
+++ b/arch/arm/mach-imx/devices-imx35.h
@@ -81,3 +81,7 @@ extern const struct imx_spi_imx_data imx35_cspi_data[];
         imx_add_spi_imx(&imx35_cspi_data[id], pdata)
 #define imx35_add_spi_imx0(pdata)       imx35_add_cspi(0, pdata)
 #define imx35_add_spi_imx1(pdata)       imx35_add_cspi(1, pdata)
+
+extern const struct imx_pata_imx_data imx35_pata_imx_data;
+#define imx35_add_pata_imx() \
+        imx_add_pata_imx(&imx35_pata_imx_data)
diff --git a/arch/arm/mach-mx5/Kconfig b/arch/arm/mach-mx5/Kconfig
index b4f5ab669e48..5e42c73881a5 100644
--- a/arch/arm/mach-mx5/Kconfig
+++ b/arch/arm/mach-mx5/Kconfig
@@ -153,6 +153,7 @@ config MX51_EFIKA_COMMON
         select SOC_IMX51
         select IMX_HAVE_PLATFORM_IMX_UART
         select IMX_HAVE_PLATFORM_MXC_EHCI
+        select IMX_HAVE_PLATFORM_PATA_IMX
         select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
         select IMX_HAVE_PLATFORM_SPI_IMX
         select MXC_ULPI if USB_ULPI
diff --git a/arch/arm/mach-mx5/board-mx53_ard.c b/arch/arm/mach-mx5/board-mx53_ard.c
index ddc3015102d5..9d844f102382 100644
--- a/arch/arm/mach-mx5/board-mx53_ard.c
+++ b/arch/arm/mach-mx5/board-mx53_ard.c
@@ -234,6 +234,7 @@ static void __init mx53_ard_board_init(void)
         imx53_add_imx_i2c(1, &mx53_ard_i2c2_data);
         imx53_add_imx_i2c(2, &mx53_ard_i2c3_data);
         imx_add_gpio_keys(&ard_button_data);
+        imx53_add_ahci_imx();
 }
 
 static void __init mx53_ard_timer_init(void)
diff --git a/arch/arm/mach-mx5/board-mx53_loco.c b/arch/arm/mach-mx5/board-mx53_loco.c
index 4e1d51d252dc..940aac932fa3 100644
--- a/arch/arm/mach-mx5/board-mx53_loco.c
+++ b/arch/arm/mach-mx5/board-mx53_loco.c
@@ -273,6 +273,7 @@ static void __init mx53_loco_board_init(void)
         imx53_add_sdhci_esdhc_imx(2, &mx53_loco_sd3_data);
         imx_add_gpio_keys(&loco_button_data);
         gpio_led_register_device(-1, &mx53loco_leds_data);
+        imx53_add_ahci_imx();
 }
 
 static void __init mx53_loco_timer_init(void)
diff --git a/arch/arm/mach-mx5/board-mx53_smd.c b/arch/arm/mach-mx5/board-mx53_smd.c
index bc02894eafef..efcab68840ae 100644
--- a/arch/arm/mach-mx5/board-mx53_smd.c
+++ b/arch/arm/mach-mx5/board-mx53_smd.c
@@ -35,6 +35,7 @@
 #include "devices-imx53.h"
 
 #define SMD_FEC_PHY_RST         IMX_GPIO_NR(7, 6)
+#define MX53_SMD_SATA_PWR_EN    IMX_GPIO_NR(3, 3)
 
 static iomux_v3_cfg_t mx53_smd_pads[] = {
         MX53_PAD_CSI0_DAT10__UART1_TXD_MUX,
@@ -111,6 +112,19 @@ static const struct imxi2c_platform_data mx53_smd_i2c_data __initconst = {
         .bitrate = 100000,
 };
 
+static inline void mx53_smd_ahci_pwr_on(void)
+{
+        int ret;
+
+        /* Enable SATA PWR */
+        ret = gpio_request_one(MX53_SMD_SATA_PWR_EN,
+                        GPIOF_DIR_OUT | GPIOF_INIT_HIGH, "ahci-sata-pwr");
+        if (ret) {
+                pr_err("failed to enable SATA_PWR_EN: %d\n", ret);
+                return;
+        }
+}
+
 static void __init mx53_smd_board_init(void)
 {
         imx53_soc_init();
@@ -125,6 +139,8 @@ static void __init mx53_smd_board_init(void)
         imx53_add_sdhci_esdhc_imx(0, NULL);
         imx53_add_sdhci_esdhc_imx(1, NULL);
         imx53_add_sdhci_esdhc_imx(2, NULL);
+        mx53_smd_ahci_pwr_on();
+        imx53_add_ahci_imx();
 }
 
 static void __init mx53_smd_timer_init(void)
diff --git a/arch/arm/mach-mx5/clock-mx51-mx53.c b/arch/arm/mach-mx5/clock-mx51-mx53.c
index a3db3557b7c9..c2dafe406304 100644
--- a/arch/arm/mach-mx5/clock-mx51-mx53.c
+++ b/arch/arm/mach-mx5/clock-mx51-mx53.c
@@ -1401,6 +1401,22 @@ static struct clk esdhc4_mx53_clk = {
         .secondary = &esdhc4_ipg_clk,
 };
 
+static struct clk sata_clk = {
+        .parent = &ipg_clk,
+        .enable = _clk_max_enable,
+        .enable_reg = MXC_CCM_CCGR4,
+        .enable_shift = MXC_CCM_CCGRx_CG1_OFFSET,
+        .disable = _clk_max_disable,
+};
+
+static struct clk ahci_phy_clk = {
+        .parent = &usb_phy1_clk,
+};
+
+static struct clk ahci_dma_clk = {
+        .parent = &ahb_clk,
+};
+
 DEFINE_CLOCK(mipi_esc_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG5_OFFSET, NULL, NULL, NULL, &pll2_sw_clk);
 DEFINE_CLOCK(mipi_hsc2_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG4_OFFSET, NULL, NULL, &mipi_esc_clk, &pll2_sw_clk);
 DEFINE_CLOCK(mipi_hsc1_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG3_OFFSET, NULL, NULL, &mipi_hsc2_clk, &pll2_sw_clk);
@@ -1418,6 +1434,10 @@ DEFINE_CLOCK(ipu_di0_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG5_OFFSET,
 DEFINE_CLOCK(ipu_di1_clk, 0, MXC_CCM_CCGR6, MXC_CCM_CCGRx_CG6_OFFSET,
                 NULL, NULL, &pll3_sw_clk, NULL);
 
+/* PATA */
+DEFINE_CLOCK(pata_clk, 0, MXC_CCM_CCGR4, MXC_CCM_CCGRx_CG0_OFFSET,
+                NULL, NULL, &ipg_clk, &spba_clk);
+
 #define _REGISTER_CLOCK(d, n, c) \
        { \
                 .dev_id = d, \
@@ -1474,6 +1494,7 @@ static struct clk_lookup mx51_lookups[] = {
         _REGISTER_CLOCK("imx-ipuv3", "di0", ipu_di0_clk)
         _REGISTER_CLOCK("imx-ipuv3", "di1", ipu_di1_clk)
         _REGISTER_CLOCK(NULL, "gpc_dvfs", gpc_dvfs_clk)
+        _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
 };
 
 static struct clk_lookup mx53_lookups[] = {
@@ -1507,6 +1528,10 @@ static struct clk_lookup mx53_lookups[] = {
         _REGISTER_CLOCK("imx-ssi.1", NULL, ssi2_clk)
         _REGISTER_CLOCK("imx-ssi.2", NULL, ssi3_clk)
         _REGISTER_CLOCK("imx-keypad", NULL, dummy_clk)
+        _REGISTER_CLOCK("pata_imx", NULL, pata_clk)
+        _REGISTER_CLOCK("imx53-ahci.0", "ahci", sata_clk)
+        _REGISTER_CLOCK("imx53-ahci.0", "ahci_phy", ahci_phy_clk)
+        _REGISTER_CLOCK("imx53-ahci.0", "ahci_dma", ahci_dma_clk)
 };
 
 static void clk_tree_init(void)
diff --git a/arch/arm/mach-mx5/devices-imx51.h b/arch/arm/mach-mx5/devices-imx51.h
index f311c9616bb1..af488bc0e225 100644
--- a/arch/arm/mach-mx5/devices-imx51.h
+++ b/arch/arm/mach-mx5/devices-imx51.h
@@ -65,3 +65,7 @@ extern const struct imx_mxc_pwm_data imx51_mxc_pwm_data[];
 extern const struct imx_imx_keypad_data imx51_imx_keypad_data;
 #define imx51_add_imx_keypad(pdata)     \
         imx_add_imx_keypad(&imx51_imx_keypad_data, pdata)
+
+extern const struct imx_pata_imx_data imx51_pata_imx_data;
+#define imx51_add_pata_imx() \
+        imx_add_pata_imx(&imx51_pata_imx_data)
diff --git a/arch/arm/mach-mx5/devices-imx53.h b/arch/arm/mach-mx5/devices-imx53.h
index c27fe8bb4762..7fe5e462fdca 100644
--- a/arch/arm/mach-mx5/devices-imx53.h
+++ b/arch/arm/mach-mx5/devices-imx53.h
@@ -40,3 +40,8 @@ extern const struct imx_imx_ssi_data imx53_imx_ssi_data[];
 extern const struct imx_imx_keypad_data imx53_imx_keypad_data;
 #define imx53_add_imx_keypad(pdata)     \
         imx_add_imx_keypad(&imx53_imx_keypad_data, pdata)
+
+extern const struct imx_pata_imx_data imx53_pata_imx_data;
+#define imx53_add_pata_imx() \
+        imx_add_pata_imx(&imx53_pata_imx_data)
+extern struct platform_device *__init imx53_add_ahci_imx(void);
diff --git a/arch/arm/mach-mx5/mx51_efika.c b/arch/arm/mach-mx5/mx51_efika.c
index d5bf95825533..83c57027de75 100644
--- a/arch/arm/mach-mx5/mx51_efika.c
+++ b/arch/arm/mach-mx5/mx51_efika.c
@@ -625,6 +625,8 @@ void __init efika_board_common_init(void)
                 ARRAY_SIZE(mx51_efika_spi_board_info));
         imx51_add_ecspi(0, &mx51_efika_spi_pdata);
 
+        imx51_add_pata_imx();
+
 #if defined(CONFIG_CPU_FREQ_IMX)
         get_cpu_op = mx51_get_cpu_op;
 #endif
diff --git a/arch/arm/plat-mxc/devices/Kconfig b/arch/arm/plat-mxc/devices/Kconfig
index 39b08957e8ad..cb3e3eef55c0 100644
--- a/arch/arm/plat-mxc/devices/Kconfig
+++ b/arch/arm/plat-mxc/devices/Kconfig
@@ -31,6 +31,9 @@ config IMX_HAVE_PLATFORM_IMX_I2C
 config IMX_HAVE_PLATFORM_IMX_KEYPAD
         bool
 
+config IMX_HAVE_PLATFORM_PATA_IMX
+        bool
+
 config IMX_HAVE_PLATFORM_IMX_SSI
         bool
 
@@ -76,3 +79,7 @@ config IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
 
 config IMX_HAVE_PLATFORM_SPI_IMX
         bool
+
+config IMX_HAVE_PLATFORM_AHCI
+        bool
+        default y if ARCH_MX53
diff --git a/arch/arm/plat-mxc/devices/Makefile b/arch/arm/plat-mxc/devices/Makefile
index b41bf972b54b..c11ac8472beb 100644
--- a/arch/arm/plat-mxc/devices/Makefile
+++ b/arch/arm/plat-mxc/devices/Makefile
@@ -10,6 +10,7 @@ obj-y += platform-imx-dma.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_FB) += platform-imx-fb.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_I2C) += platform-imx-i2c.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_KEYPAD) += platform-imx-keypad.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_PATA_IMX) += platform-pata_imx.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_SSI) += platform-imx-ssi.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UART) += platform-imx-uart.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_IMX_UDC) += platform-imx_udc.o
@@ -25,3 +26,4 @@ obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_RTC) += platform-mxc_rtc.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_MXC_W1) += platform-mxc_w1.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX) += platform-sdhci-esdhc-imx.o
 obj-$(CONFIG_IMX_HAVE_PLATFORM_SPI_IMX) +=  platform-spi_imx.o
+obj-$(CONFIG_IMX_HAVE_PLATFORM_AHCI) +=  platform-ahci-imx.o
diff --git a/arch/arm/plat-mxc/devices/platform-ahci-imx.c b/arch/arm/plat-mxc/devices/platform-ahci-imx.c
new file mode 100644
index 000000000000..d8a56aee521b
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-ahci-imx.c
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 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 as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+#include <linux/device.h>
+#include <linux/dma-mapping.h>
+#include <asm/sizes.h>
+#include <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_ahci_imx_data_entry_single(soc, _devid)             \
+        {                                                               \
+                .devid = _devid,                                        \
+                .iobase = soc ## _SATA_BASE_ADDR,                       \
+                .irq = soc ## _INT_SATA,                                \
+        }
+
+#ifdef CONFIG_SOC_IMX53
+const struct imx_ahci_imx_data imx53_ahci_imx_data __initconst =
+        imx_ahci_imx_data_entry_single(MX53, "imx53-ahci");
+#endif
+
+enum {
+        HOST_CAP = 0x00,
+        HOST_CAP_SSS = (1 << 27), /* Staggered Spin-up */
+        HOST_PORTS_IMPL = 0x0c,
+        HOST_TIMER1MS = 0xe0, /* Timer 1-ms */
+};
+
+static struct clk *sata_clk, *sata_ref_clk;
+
+/* AHCI module Initialization, if return 0, initialization is successful. */
+static int imx_sata_init(struct device *dev, void __iomem *addr)
+{
+        u32 tmpdata;
+        int ret = 0;
+        struct clk *clk;
+
+        sata_clk = clk_get(dev, "ahci");
+        if (IS_ERR(sata_clk)) {
+                dev_err(dev, "no sata clock.\n");
+                return PTR_ERR(sata_clk);
+        }
+        ret = clk_enable(sata_clk);
+        if (ret) {
+                dev_err(dev, "can't enable sata clock.\n");
+                goto put_sata_clk;
+        }
+
+        /* Get the AHCI SATA PHY CLK */
+        sata_ref_clk = clk_get(dev, "ahci_phy");
+        if (IS_ERR(sata_ref_clk)) {
+                dev_err(dev, "no sata ref clock.\n");
+                ret = PTR_ERR(sata_ref_clk);
+                goto release_sata_clk;
+        }
+        ret = clk_enable(sata_ref_clk);
+        if (ret) {
+                dev_err(dev, "can't enable sata ref clock.\n");
+                goto put_sata_ref_clk;
+        }
+
+        /* Get the AHB clock rate, and configure the TIMER1MS reg later */
+        clk = clk_get(dev, "ahci_dma");
+        if (IS_ERR(clk)) {
+                dev_err(dev, "no dma clock.\n");
+                ret = PTR_ERR(clk);
+                goto release_sata_ref_clk;
+        }
+        tmpdata = clk_get_rate(clk) / 1000;
+        clk_put(clk);
+
+        writel(tmpdata, addr + HOST_TIMER1MS);
+
+        tmpdata = readl(addr + HOST_CAP);
+        if (!(tmpdata & HOST_CAP_SSS)) {
+                tmpdata |= HOST_CAP_SSS;
+                writel(tmpdata, addr + HOST_CAP);
+        }
+
+        if (!(readl(addr + HOST_PORTS_IMPL) & 0x1))
+                writel((readl(addr + HOST_PORTS_IMPL) | 0x1),
+                        addr + HOST_PORTS_IMPL);
+
+        return 0;
+
+release_sata_ref_clk:
+        clk_disable(sata_ref_clk);
+put_sata_ref_clk:
+        clk_put(sata_ref_clk);
+release_sata_clk:
+        clk_disable(sata_clk);
+put_sata_clk:
+        clk_put(sata_clk);
+
+        return ret;
+}
+
+static void imx_sata_exit(struct device *dev)
+{
+        clk_disable(sata_ref_clk);
+        clk_put(sata_ref_clk);
+
+        clk_disable(sata_clk);
+        clk_put(sata_clk);
+
+}
+struct platform_device *__init imx_add_ahci_imx(
+                const struct imx_ahci_imx_data *data,
+                const struct ahci_platform_data *pdata)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + SZ_4K - 1,
+                        .flags = IORESOURCE_MEM,
+                }, {
+                        .start = data->irq,
+                        .end = data->irq,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+
+        return imx_add_platform_device_dmamask(data->devid, 0,
+                        res, ARRAY_SIZE(res),
+                        pdata, sizeof(*pdata),  DMA_BIT_MASK(32));
+}
+
+struct platform_device *__init imx53_add_ahci_imx(void)
+{
+        struct ahci_platform_data pdata = {
+                .init = imx_sata_init,
+                .exit = imx_sata_exit,
+        };
+
+        return imx_add_ahci_imx(&imx53_ahci_imx_data, &pdata);
+}
diff --git a/arch/arm/plat-mxc/devices/platform-pata_imx.c b/arch/arm/plat-mxc/devices/platform-pata_imx.c
new file mode 100644
index 000000000000..70e2f2a44714
--- /dev/null
+++ b/arch/arm/plat-mxc/devices/platform-pata_imx.c
@@ -0,0 +1,59 @@
+/*
+ * 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 <mach/hardware.h>
+#include <mach/devices-common.h>
+
+#define imx_pata_imx_data_entry_single(soc, _size)                      \
+        {                                                               \
+                .iobase = soc ## _ATA_BASE_ADDR,                        \
+                .iosize = _size,                                        \
+                .irq = soc ## _INT_ATA,                                 \
+        }
+
+#ifdef CONFIG_SOC_IMX27
+const struct imx_pata_imx_data imx27_pata_imx_data __initconst =
+        imx_pata_imx_data_entry_single(MX27, SZ_4K);
+#endif /* ifdef CONFIG_SOC_IMX27 */
+
+#ifdef CONFIG_SOC_IMX31
+const struct imx_pata_imx_data imx31_pata_imx_data __initconst =
+        imx_pata_imx_data_entry_single(MX31, SZ_16K);
+#endif /* ifdef CONFIG_SOC_IMX31 */
+
+#ifdef CONFIG_SOC_IMX35
+const struct imx_pata_imx_data imx35_pata_imx_data __initconst =
+        imx_pata_imx_data_entry_single(MX35, SZ_16K);
+#endif /* ifdef CONFIG_SOC_IMX35 */
+
+#ifdef CONFIG_SOC_IMX51
+const struct imx_pata_imx_data imx51_pata_imx_data __initconst =
+        imx_pata_imx_data_entry_single(MX51, SZ_16K);
+#endif /* ifdef CONFIG_SOC_IMX51 */
+
+#ifdef CONFIG_SOC_IMX53
+const struct imx_pata_imx_data imx53_pata_imx_data __initconst =
+        imx_pata_imx_data_entry_single(MX53, SZ_16K);
+#endif /* ifdef CONFIG_SOC_IMX53 */
+
+struct platform_device *__init imx_add_pata_imx(
+                const struct imx_pata_imx_data *data)
+{
+        struct resource res[] = {
+                {
+                        .start = data->iobase,
+                        .end = data->iobase + data->iosize - 1,
+                        .flags = IORESOURCE_MEM,
+                },
+                {
+                        .start = data->irq,
+                        .end = data->irq,
+                        .flags = IORESOURCE_IRQ,
+                },
+        };
+        return imx_add_platform_device("pata_imx", -1,
+                        res, ARRAY_SIZE(res), NULL, 0);
+}
+
diff --git a/arch/arm/plat-mxc/include/mach/devices-common.h b/arch/arm/plat-mxc/include/mach/devices-common.h
index 543525d76a60..def9ba53e23a 100644
--- a/arch/arm/plat-mxc/include/mach/devices-common.h
+++ b/arch/arm/plat-mxc/include/mach/devices-common.h
@@ -263,6 +263,14 @@ struct platform_device *__init imx_add_mxc_nand(
                 const struct imx_mxc_nand_data *data,
                 const struct mxc_nand_platform_data *pdata);
 
+struct imx_pata_imx_data {
+        resource_size_t iobase;
+        resource_size_t iosize;
+        resource_size_t irq;
+};
+struct platform_device *__init imx_add_pata_imx(
+                const struct imx_pata_imx_data *data);
+
 struct imx_mxc_pwm_data {
         int id;
         resource_size_t iobase;
@@ -313,3 +321,13 @@ struct platform_device *__init imx_add_spi_imx(
 struct platform_device *imx_add_imx_dma(void);
 struct platform_device *imx_add_imx_sdma(char *name,
         resource_size_t iobase, int irq, struct sdma_platform_data *pdata);
+
+#include <linux/ahci_platform.h>
+struct imx_ahci_imx_data {
+        const char *devid;
+        resource_size_t iobase;
+        resource_size_t irq;
+};
+struct platform_device *__init imx_add_ahci_imx(
+                const struct imx_ahci_imx_data *data,
+                const struct ahci_platform_data *pdata);
diff --git a/arch/arm/plat-mxc/include/mach/mx35.h b/arch/arm/plat-mxc/include/mach/mx35.h
index d13dbfeef08a..80965a99aa55 100644
--- a/arch/arm/plat-mxc/include/mach/mx35.h
+++ b/arch/arm/plat-mxc/include/mach/mx35.h
@@ -36,7 +36,7 @@
 #define MX35_UART3_BASE_ADDR                    (MX35_SPBA0_BASE_ADDR + 0x0c000)
 #define MX35_CSPI2_BASE_ADDR                    (MX35_SPBA0_BASE_ADDR + 0x10000)
 #define MX35_SSI2_BASE_ADDR                     (MX35_SPBA0_BASE_ADDR + 0x14000)
-#define MX35_ATA_DMA_BASE_ADDR                  (MX35_SPBA0_BASE_ADDR + 0x20000)
+#define MX35_ATA_BASE_ADDR                      (MX35_SPBA0_BASE_ADDR + 0x20000)
 #define MX35_MSHC1_BASE_ADDR                    (MX35_SPBA0_BASE_ADDR + 0x24000)
 #define MX35_FEC_BASE_ADDR              0x50038000
 #define MX35_SPBA_CTRL_BASE_ADDR                (MX35_SPBA0_BASE_ADDR + 0x3c000)
diff --git a/drivers/char/hw_random/Kconfig b/drivers/char/hw_random/Kconfig
index 1d2ebc7a4947..e0135873ba9d 100644
--- a/drivers/char/hw_random/Kconfig
+++ b/drivers/char/hw_random/Kconfig
@@ -60,6 +60,19 @@ config HW_RANDOM_AMD
 
           If unsure, say Y.
 
+config HW_RANDOM_ATMEL
+        tristate "Atmel Random Number Generator support"
+        depends on HW_RANDOM && ARCH_AT91SAM9G45
+        default HW_RANDOM
+        ---help---
+          This driver provides kernel-side support for the Random Number
+          Generator hardware found on Atmel AT91 devices.
+
+          To compile this driver as a module, choose M here: the
+          module will be called atmel-rng.
+
+          If unsure, say Y.
+
 config HW_RANDOM_GEODE
         tristate "AMD Geode HW Random Number Generator support"
         depends on HW_RANDOM && X86_32 && PCI
diff --git a/drivers/char/hw_random/Makefile b/drivers/char/hw_random/Makefile
index c88f244c8a71..b2ff5265a996 100644
--- a/drivers/char/hw_random/Makefile
+++ b/drivers/char/hw_random/Makefile
@@ -7,6 +7,7 @@ rng-core-y := core.o
 obj-$(CONFIG_HW_RANDOM_TIMERIOMEM) += timeriomem-rng.o
 obj-$(CONFIG_HW_RANDOM_INTEL) += intel-rng.o
 obj-$(CONFIG_HW_RANDOM_AMD) += amd-rng.o
+obj-$(CONFIG_HW_RANDOM_ATMEL) += atmel-rng.o
 obj-$(CONFIG_HW_RANDOM_GEODE) += geode-rng.o
 obj-$(CONFIG_HW_RANDOM_N2RNG) += n2-rng.o
 n2-rng-y := n2-drv.o n2-asm.o
diff --git a/drivers/char/hw_random/atmel-rng.c b/drivers/char/hw_random/atmel-rng.c
new file mode 100644
index 000000000000..241df2e76aba
--- /dev/null
+++ b/drivers/char/hw_random/atmel-rng.c
@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2011 Peter Korsgaard <jacmet@sunsite.dk>
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+#include <linux/hw_random.h>
+#include <linux/platform_device.h>
+
+#define TRNG_CR         0x00
+#define TRNG_ISR        0x1c
+#define TRNG_ODATA      0x50
+
+#define TRNG_KEY        0x524e4700 /* RNG */
+
+struct atmel_trng {
+        struct clk *clk;
+        void __iomem *base;
+        struct hwrng rng;
+};
+
+static int atmel_trng_read(struct hwrng *rng, void *buf, size_t max,
+                           bool wait)
+{
+        struct atmel_trng *trng = container_of(rng, struct atmel_trng, rng);
+        u32 *data = buf;
+
+        /* data ready? */
+        if (readl(trng->base + TRNG_ODATA) & 1) {
+                *data = readl(trng->base + TRNG_ODATA);
+                return 4;
+        } else
+                return 0;
+}
+
+static int atmel_trng_probe(struct platform_device *pdev)
+{
+        struct atmel_trng *trng;
+        struct resource *res;
+        int ret;
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res)
+                return -EINVAL;
+
+        trng = devm_kzalloc(&pdev->dev, sizeof(*trng), GFP_KERNEL);
+        if (!trng)
+                return -ENOMEM;
+
+        if (!devm_request_mem_region(&pdev->dev, res->start,
+                                     resource_size(res), pdev->name))
+                return -EBUSY;
+
+        trng->base = devm_ioremap(&pdev->dev, res->start, resource_size(res));
+        if (!trng->base)
+                return -EBUSY;
+
+        trng->clk = clk_get(&pdev->dev, NULL);
+        if (IS_ERR(trng->clk))
+                return PTR_ERR(trng->clk);
+
+        ret = clk_enable(trng->clk);
+        if (ret)
+                goto err_enable;
+
+        writel(TRNG_KEY | 1, trng->base + TRNG_CR);
+        trng->rng.name = pdev->name;
+        trng->rng.read = atmel_trng_read;
+
+        ret = hwrng_register(&trng->rng);
+        if (ret)
+                goto err_register;
+
+        platform_set_drvdata(pdev, trng);
+
+        return 0;
+
+err_register:
+        clk_disable(trng->clk);
+err_enable:
+        clk_put(trng->clk);
+
+        return ret;
+}
+
+static int __devexit atmel_trng_remove(struct platform_device *pdev)
+{
+        struct atmel_trng *trng = platform_get_drvdata(pdev);
+
+        hwrng_unregister(&trng->rng);
+
+        writel(TRNG_KEY, trng->base + TRNG_CR);
+        clk_disable(trng->clk);
+        clk_put(trng->clk);
+
+        platform_set_drvdata(pdev, NULL);
+
+        return 0;
+}
+
+#ifdef CONFIG_PM
+static int atmel_trng_suspend(struct device *dev)
+{
+        struct atmel_trng *trng = dev_get_drvdata(dev);
+
+        clk_disable(trng->clk);
+
+        return 0;
+}
+
+static int atmel_trng_resume(struct device *dev)
+{
+        struct atmel_trng *trng = dev_get_drvdata(dev);
+
+        return clk_enable(trng->clk);
+}
+
+static const struct dev_pm_ops atmel_trng_pm_ops = {
+        .suspend        = atmel_trng_suspend,
+        .resume         = atmel_trng_resume,
+};
+#endif /* CONFIG_PM */
+
+static struct platform_driver atmel_trng_driver = {
+        .probe          = atmel_trng_probe,
+        .remove         = __devexit_p(atmel_trng_remove),
+        .driver         = {
+                .name   = "atmel-trng",
+                .owner  = THIS_MODULE,
+#ifdef CONFIG_PM
+                .pm     = &atmel_trng_pm_ops,
+#endif /* CONFIG_PM */
+        },
+};
+
+static int __init atmel_trng_init(void)
+{
+        return platform_driver_register(&atmel_trng_driver);
+}
+module_init(atmel_trng_init);
+
+static void __exit atmel_trng_exit(void)
+{
+        platform_driver_unregister(&atmel_trng_driver);
+}
+module_exit(atmel_trng_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Peter Korsgaard <jacmet@sunsite.dk>");
+MODULE_DESCRIPTION("Atmel true random number generator driver");