[PATCH 11/17] ARM: pxa/raumfeld: add SPI controlled devices
Daniel Mack
daniel at caiaq.de
Wed Nov 25 05:42:25 EST 2009
Signed-off-by: Daniel Mack <daniel at caiaq.de>
---
arch/arm/mach-pxa/raumfeld.c | 87 ++++++++++++++++++++++++++++++++++++++++++
1 files changed, 87 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-pxa/raumfeld.c b/arch/arm/mach-pxa/raumfeld.c
index d0c4eab..43a8195 100644
--- a/arch/arm/mach-pxa/raumfeld.c
+++ b/arch/arm/mach-pxa/raumfeld.c
@@ -30,6 +30,9 @@
#include <linux/w1-gpio.h>
#include <linux/sched.h>
#include <linux/pwm_backlight.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/lis3lv02d.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -107,6 +110,11 @@ static mfp_cfg_t raumfeld_pin_config[] __initdata = {
/* USB Host */
GPIO0_2_USBH_PEN,
GPIO1_2_USBH_PWR,
+
+ /* SPI */
+ GPIO34_GPIO, /* SPDIF_CS */
+ GPIO96_GPIO, /* MCLK_CS */
+ GPIO125_GPIO, /* ACCEL_CS */
};
/*
@@ -478,9 +486,85 @@ static void __init raumfeld_lcd_init(void)
#endif
}
+/**
+ * SPI devices
+ */
+
+struct spi_gpio_platform_data raumfeld_spi_platform_data = {
+ .sck = mfp_to_gpio(GPIO_SPI_CLK),
+ .mosi = mfp_to_gpio(GPIO_SPI_MOSI),
+ .miso = mfp_to_gpio(GPIO_SPI_MISO),
+ .num_chipselect = 3,
+};
+
+static struct platform_device raumfeld_spi_device = {
+ .name = "spi_gpio",
+ .id = 0,
+ .dev = {
+ .platform_data = &raumfeld_spi_platform_data,
+ }
+};
+
+static struct lis3lv02d_platform_data lis3_pdata = {
+ .click_flags = LIS3_CLICK_SINGLE_X |
+ LIS3_CLICK_SINGLE_Y |
+ LIS3_CLICK_SINGLE_Z,
+ .irq_cfg = LIS3_IRQ1_CLICK | LIS3_IRQ2_CLICK,
+ .wakeup_flags = LIS3_WAKEUP_X_LO | LIS3_WAKEUP_X_HI |
+ LIS3_WAKEUP_Y_LO | LIS3_WAKEUP_Y_HI |
+ LIS3_WAKEUP_Z_LO | LIS3_WAKEUP_Z_HI,
+ .wakeup_thresh = 10,
+ .click_thresh_x = 10,
+ .click_thresh_y = 10,
+ .click_thresh_z = 10,
+};
+
+#define SPI_AK4104 \
+{ \
+ .modalias = "ak4104", \
+ .max_speed_hz = 10000, \
+ .bus_num = 0, \
+ .chip_select = 0, \
+ .controller_data = (void *) mfp_to_gpio(GPIO_SPDIF_CS), \
+}
+
+#define SPI_LIS3 \
+{ \
+ .modalias = "lis3lv02d_spi", \
+ .max_speed_hz = 1000000, \
+ .bus_num = 0, \
+ .chip_select = 1, \
+ .controller_data = (void *) mfp_to_gpio(GPIO_ACCEL_CS), \
+ .platform_data = &lis3_pdata, \
+ .irq = gpio_to_irq(mfp_to_gpio(GPIO_ACCEL_IRQ)), \
+}
+
+#define SPI_DAC7512 \
+{ \
+ .modalias = "dac7512", \
+ .max_speed_hz = 1000000, \
+ .bus_num = 0, \
+ .chip_select = 2, \
+ .controller_data = (void *) mfp_to_gpio(GPIO_MCLK_DAC_CS), \
+}
+
+static struct spi_board_info connector_spi_devices[] __initdata = {
+ SPI_AK4104,
+ SPI_DAC7512,
+};
+
+static struct spi_board_info speaker_spi_devices[] __initdata = {
+ SPI_DAC7512,
+};
+
+static struct spi_board_info controller_spi_devices[] __initdata = {
+ SPI_LIS3,
+};
+
static struct platform_device *raumfeld_common_devices[] = {
&raumfeld_gpio_keys_device,
&raumfeld_led_device,
+ &raumfeld_spi_device,
};
static void __init raumfeld_common_init(void)
@@ -520,6 +604,7 @@ static void __init raumfeld_controller_init(void)
};
platform_add_devices(ARRAY_AND_SIZE(raumfeld_controller_devices));
+ spi_register_board_info(ARRAY_AND_SIZE(controller_spi_devices));
raumfeld_common_init();
raumfeld_lcd_init();
@@ -528,6 +613,7 @@ static void __init raumfeld_controller_init(void)
static void __init raumfeld_connector_init(void)
{
+ spi_register_board_info(ARRAY_AND_SIZE(connector_spi_devices));
raumfeld_common_init();
raumfeld_eth_init();
}
@@ -539,6 +625,7 @@ static void __init raumfeld_speaker_init(void)
};
platform_add_devices(ARRAY_AND_SIZE(raumfeld_speaker_devices));
+ spi_register_board_info(ARRAY_AND_SIZE(speaker_spi_devices));
raumfeld_common_init();
raumfeld_eth_init();
--
1.6.5.2
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