[AVR32] Wire up AT73C213 sound driver on ATSTK1000 board
Signed-off-by: Hans-Christian Egtvedt <hcegtvedt@atmel.com> Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
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1 changed files with 58 additions and 0 deletions
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@ -16,6 +16,7 @@
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#include <linux/string.h>
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#include <linux/types.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/at73c213.h>
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#include <video/atmel_lcdc.h>
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@ -48,8 +49,27 @@ static struct eth_platform_data __initdata eth_data[2] = {
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},
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};
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#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
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#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
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static struct at73c213_board_info at73c213_data = {
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.ssc_id = 0,
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.shortname = "AVR32 STK1000 external DAC",
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};
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#endif
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#endif
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#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
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static struct spi_board_info spi0_board_info[] __initdata = {
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#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
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{
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/* AT73C213 */
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.modalias = "at73c213",
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.max_speed_hz = 200000,
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.chip_select = 0,
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.mode = SPI_MODE_1,
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.platform_data = &at73c213_data,
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},
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#endif
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{
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/* QVGA display */
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.modalias = "ltv350qv",
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@ -180,6 +200,38 @@ static void setup_j2_leds(void)
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}
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#endif
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#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
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#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
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static void __init at73c213_set_clk(struct at73c213_board_info *info)
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{
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struct clk *gclk;
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struct clk *pll;
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gclk = clk_get(NULL, "gclk0");
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if (IS_ERR(gclk))
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goto err_gclk;
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pll = clk_get(NULL, "pll0");
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if (IS_ERR(pll))
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goto err_pll;
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if (clk_set_parent(gclk, pll)) {
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pr_debug("STK1000: failed to set pll0 as parent for DAC clock\n");
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goto err_set_clk;
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}
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at32_select_periph(GPIO_PIN_PA(30), GPIO_PERIPH_A, 0);
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info->dac_clk = gclk;
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err_set_clk:
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clk_put(pll);
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err_pll:
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clk_put(gclk);
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err_gclk:
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return;
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}
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#endif
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#endif
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void __init setup_board(void)
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{
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#ifdef CONFIG_BOARD_ATSTK1002_SW2_CUSTOM
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@ -248,6 +300,12 @@ static int __init atstk1002_init(void)
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setup_j2_leds();
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#ifndef CONFIG_BOARD_ATSTK1002_SW3_CUSTOM
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#ifndef CONFIG_BOARD_ATSTK1002_SW1_CUSTOM
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at73c213_set_clk(&at73c213_data);
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#endif
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#endif
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return 0;
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}
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postcore_initcall(atstk1002_init);
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