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Commit 1c2f1737 authored by Hans-Christian Egtvedt's avatar Hans-Christian Egtvedt Committed by Haavard Skinnemoen
Browse files

[AVR32] Wire up AT73C213 sound driver on ATSTK1000 board 



Signed-off-by: default avatarHans-Christian Egtvedt <hcegtvedt@atmel.com>
Signed-off-by: default avatarHaavard Skinnemoen <hskinnemoen@atmel.com>
parent 48021bd9

arch/avr32/boards/atstk1000/atstk1002.c

+58 −0
Original line number Diff line number Diff line
@@ -16,6 +16,7 @@ 
#include <linux/string.h>

#include <linux/types.h>

#include <linux/spi/spi.h>

#include <linux/spi/at73c213.h>



#include <video/atmel_lcdc.h>
@@ -48,8 +49,27 @@ static struct eth_platform_data __initdata eth_data[2] = { 
	},

};



#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM

#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM

static struct at73c213_board_info at73c213_data = {

	.ssc_id		= 0,

	.shortname	= "AVR32 STK1000 external DAC",

};

#endif

#endif



#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM

static struct spi_board_info spi0_board_info[] __initdata = {

#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM

	{

		/* AT73C213 */

		.modalias	= "at73c213",

		.max_speed_hz	= 200000,

		.chip_select	= 0,

		.mode		= SPI_MODE_1,

		.platform_data	= &at73c213_data,

	},

#endif

	{

		/* QVGA display */

		.modalias	= "ltv350qv",
@@ -180,6 +200,38 @@ static void setup_j2_leds(void) 
}

#endif



#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM

#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM

static void __init at73c213_set_clk(struct at73c213_board_info *info)

{

	struct clk *gclk;

	struct clk *pll;



	gclk = clk_get(NULL, "gclk0");

	if (IS_ERR(gclk))

		goto err_gclk;

	pll = clk_get(NULL, "pll0");

	if (IS_ERR(pll))

		goto err_pll;



	if (clk_set_parent(gclk, pll)) {

		pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");

		goto err_set_clk;

	}



	at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);

	info->dac_clk = gclk;



err_set_clk:

	clk_put(pll);

err_pll:

	clk_put(gclk);

err_gclk:

	return;

}

#endif

#endif



void __init setup_board(void)

{

#ifdef	CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
@@ -248,6 +300,12 @@ static int __init atstk1002_init(void) 


	setup_j2_leds();



#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM

#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM

	at73c213_set_clk(&at73c213_data);

#endif

#endif



	return 0;

}

postcore_initcall(atstk1002_init);