Enable Micrel KS8851 SPI network chip for OMAP4430
Signed-off-by: Abraham Arce <[email protected]>
---
arch/arm/mach-omap2/board-4430sdp.c | 30 ++++++++++++++++++++++++++++++
1 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-4430sdp.c
b/arch/arm/mach-omap2/board-4430sdp.c
index b88f28c..801c2a7 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -18,6 +18,7 @@
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/usb/otg.h>
+#include <linux/spi/spi.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
@@ -32,6 +33,30 @@
#include <asm/hardware/gic.h>
#include <asm/hardware/cache-l2x0.h>
+#define ETHERNET_KS8851_IRQ 34
+#define ETHERNET_KS8851_POWER_ENABLE 48
+#define ETHERNET_KS8851_QUART 138
+
+static struct spi_board_info sdp4430_spi_board_info[] __initdata = {
+ {
+ .modalias = "ks8851",
+ .bus_num = 1,
+ .chip_select = 0,
+ .max_speed_hz = 24000000,
+ .irq = ETHERNET_KS8851_IRQ,
+ },
+};
+
+static void omap_ethernet_init(void)
+{
+ gpio_request(ETHERNET_KS8851_POWER_ENABLE, "ethernet");
+ gpio_direction_output(ETHERNET_KS8851_POWER_ENABLE, 1);
+ gpio_request(ETHERNET_KS8851_QUART, "quart");
+ gpio_direction_output(ETHERNET_KS8851_QUART, 1);
+ gpio_request(ETHERNET_KS8851_IRQ, "ks8851");
+ gpio_direction_input(ETHERNET_KS8851_IRQ);
+}
+
static struct platform_device sdp4430_lcd_device = {
.name = "sdp4430_lcd",
.id = -1,
@@ -120,6 +145,11 @@ static void __init omap_4430sdp_init(void)
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
if (!cpu_is_omap44xx())
usb_musb_init(&musb_board_data);
+
+ omap_ethernet_init();
+ sdp4430_spi_board_info[0].irq = gpio_to_irq(ETHERNET_KS8851_IRQ);
+ spi_register_board_info(sdp4430_spi_board_info,
+ ARRAY_SIZE(sdp4430_spi_board_info));
}
static void __init omap_4430sdp_map_io(void)
--
1.5.4.3
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