Merge branch 'next/driver' of git://git.linaro.org/people/arnd/arm-soc

* 'next/driver' of git://git.linaro.org/people/arnd/arm-soc:
  hw_random: add driver for atmel true hardware random number generator
  ARM: at91: at91sam9g45: add trng clock and platform device
  MX53 Enable the AHCI SATA on MX53 SMD board
  MX53 Enable the AHCI SATA on MX53 LOCO board
  MX53 Enable the AHCI SATA on MX53 ARD board
  AHCI Add the AHCI SATA feature on the MX53 platforms
  Fix pata imx resource
  ARM: imx: Define functions for registering PATA
  ARM: imx: Add PATA clock support
  ARM: imx: Add PATA resources for other i.MX processors
  imx: efika: Enable pata.
  imx51: add pata clock
  imx51: add pata device

Fix up trivial conflict (new selects next to each other from separate
branches for EFIKA_COMMON) in arch/arm/mach-mx5/Kconfig

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[] = {

arch/arm/mach-at91/at91sam9g45_devices.c

@@ -1094,6 +1094,34 @@ 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;

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)

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)

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)

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)

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)

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)

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

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)

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)

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)

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)

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)

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);

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

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

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