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authorLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 20:16:43 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-11-01 20:16:43 -0700
commit25498e5b3df931a3d52a6e0642ae242e4ee19488 (patch)
tree5a627d71015fde644d8c61a04f7718c2f0a748db /arch/arm/mach-at91
parent952414505f55afe5cd6dc004765076aa22b3ed7e (diff)
parent995a0605a6665858d73f9e80053414909be33f27 (diff)
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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
Diffstat (limited to 'arch/arm/mach-at91')
-rw-r--r--arch/arm/mach-at91/at91sam9g45.c7
-rw-r--r--arch/arm/mach-at91/at91sam9g45_devices.c29
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/at91sam9g45.c b/arch/arm/mach-at91/at91sam9g45.c
index 1532b50..00c0a78 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 c3dfb1b..2d6d57f 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;