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Commit 237a62a1 authored by Peter Korsgaard's avatar Peter Korsgaard Committed by Nicolas Ferre
Browse files

ARM: at91: at91sam9g45: add trng clock and platform device 



For the new hw_random driver.

Signed-off-by: default avatarPeter Korsgaard <jacmet@sunsite.dk>
Signed-off-by: default avatarNicolas Ferre <nicolas.ferre@atmel.com>
parent 976d1676

arch/arm/mach-at91/at91sam9g45.c

+7 −0
Original line number Diff line number Diff line
@@ -53,6 +53,11 @@ 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,
@@ -176,6 +181,7 @@ static struct clk *periph_clocks[] __initdata = { 
	&pioB_clk,

	&pioC_clk,

	&pioDE_clk,

	&trng_clk,

	&usart0_clk,

	&usart1_clk,

	&usart2_clk,
@@ -215,6 +221,7 @@ 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

+29 −0
Original line number Diff line number Diff line
@@ -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;