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From: Robert Nelson <robertcnelson@gmail.com>
Date: Tue, 11 Dec 2012 06:32:15 -0600
Subject: [PATCH] Beagle: expansion: add zippy2
Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
---
arch/arm/mach-omap2/board-omap3beagle.c | 48 ++++++++++++++++++++++++++++++-
1 file changed, 47 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 35ad593..c762083 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -242,6 +242,46 @@ static void __init omap3beagle_enc28j60_init(void)
static inline void __init omap3beagle_enc28j60_init(void) { return; }
#endif
+#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
+#include <linux/platform_data/spi-omap2-mcspi.h>
+#include <linux/spi/spi.h>
+
+#define OMAP3BEAGLE_GPIO_KS8851_IRQ 157
+
+static struct omap2_mcspi_device_config ks8851_spi_chip_info = {
+ .turbo_mode = 0,
+};
+
+static struct spi_board_info omap3beagle_zippy2_spi_board_info[] __initdata = {
+ {
+ .modalias = "ks8851",
+ .bus_num = 4,
+ .chip_select = 0,
+ .max_speed_hz = 36000000,
+ .controller_data = &ks8851_spi_chip_info,
+ },
+};
+
+static void __init omap3beagle_ks8851_init(void)
+{
+ if ((gpio_request(OMAP3BEAGLE_GPIO_KS8851_IRQ, "KS8851_IRQ") == 0) &&
+ (gpio_direction_input(OMAP3BEAGLE_GPIO_KS8851_IRQ) == 0)) {
+ gpio_export(OMAP3BEAGLE_GPIO_KS8851_IRQ, 0);
+ omap3beagle_zippy2_spi_board_info[0].irq = gpio_to_irq(OMAP3BEAGLE_GPIO_KS8851_IRQ);
+ irq_set_irq_type(omap3beagle_zippy2_spi_board_info[0].irq, IRQ_TYPE_EDGE_FALLING);
+ } else {
+ pr_err("Beagle expansionboard: could not obtain gpio for KS8851_IRQ\n");
+ return;
+ }
+
+ spi_register_board_info(omap3beagle_zippy2_spi_board_info,
+ ARRAY_SIZE(omap3beagle_zippy2_spi_board_info));
+}
+
+#else
+static inline void __init omap3beagle_ks8851_init(void) { return; }
+#endif
+
static struct mtd_partition omap3beagle_nand_partitions[] = {
/* All the partition sizes are listed in terms of NAND block size */
{
@@ -638,7 +678,7 @@ static void __init omap3_beagle_init(void)
omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
omap3_beagle_init_rev();
- if (!strcmp(expansionboard_name, "zippy"))
+ if ((!strcmp(expansionboard_name, "zippy")) || (!strcmp(expansionboard_name, "zippy2")))
{
pr_info("Beagle expansionboard: initializing zippy mmc\n");
platform_device_register(&omap_zippy_device);
@@ -682,6 +722,12 @@ static void __init omap3_beagle_init(void)
omap3beagle_enc28j60_init();
}
+ if (!strcmp(expansionboard_name, "zippy2"))
+ {
+ pr_info("Beagle expansionboard: initializing ks_8851\n");
+ omap3beagle_ks8851_init();
+ }
+
usb_musb_init(NULL);
usbhs_init(&usbhs_bdata);
omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
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