diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/avr32/boards/atstk1000/atstk1002.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/avr32/boards/atstk1000/atstk1002.c b/arch/avr32/boards/atstk1000/atstk1002.c index 6b9e466104ad..5be0d13f4b03 100644 --- a/arch/avr32/boards/atstk1000/atstk1002.c +++ b/arch/avr32/boards/atstk1000/atstk1002.c @@ -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> @@ -49,7 +50,26 @@ 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); |