mirror of
https://git.yoctoproject.org/meta-ti
synced 2026-07-16 22:38:04 +00:00
Koen Kooi
4e18d70247
This patchset is managed in https://github.com/beagleboard/kernel/tree/beagleboard-3.2 by Robert Nelson and myself. Tested on beagleboard-xM/Angstrom Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
83 lines
2.6 KiB
Diff
83 lines
2.6 KiB
Diff
From 27a4c659c1c665b877c032d3409b0c593cd0463b Mon Sep 17 00:00:00 2001
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From: Robert Nelson <robertcnelson@gmail.com>
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Date: Mon, 10 Oct 2011 11:18:08 -0500
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Subject: [PATCH 04/13] expansion: add zippy2
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Signed-off-by: Robert Nelson <robertcnelson@gmail.com>
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---
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arch/arm/mach-omap2/board-omap3beagle.c | 51 +++++++++++++++++++++++++++++++
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1 files changed, 51 insertions(+), 0 deletions(-)
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diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
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index 6ffafd6..259e6e7 100644
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--- a/arch/arm/mach-omap2/board-omap3beagle.c
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+++ b/arch/arm/mach-omap2/board-omap3beagle.c
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@@ -201,6 +201,48 @@ static void __init omap3beagle_enc28j60_init(void)
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static inline void __init omap3beagle_enc28j60_init(void) { return; }
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#endif
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+#if defined(CONFIG_KS8851) || defined(CONFIG_KS8851_MODULE)
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+
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+#include <plat/mcspi.h>
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+#include <linux/spi/spi.h>
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+
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+#define OMAP3BEAGLE_GPIO_KS8851_IRQ 157
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+
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+static struct omap2_mcspi_device_config ks8851_spi_chip_info = {
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+ .turbo_mode = 0,
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+ .single_channel = 1, /* 0: slave, 1: master */
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+};
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+
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+static struct spi_board_info omap3beagle_zippy2_spi_board_info[] __initdata = {
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+ {
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+ .modalias = "ks8851",
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+ .bus_num = 4,
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+ .chip_select = 0,
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+ .max_speed_hz = 36000000,
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+ .controller_data = &ks8851_spi_chip_info,
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+ },
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+};
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+
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+static void __init omap3beagle_ks8851_init(void)
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+{
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+ if ((gpio_request(OMAP3BEAGLE_GPIO_KS8851_IRQ, "KS8851_IRQ") == 0) &&
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+ (gpio_direction_input(OMAP3BEAGLE_GPIO_KS8851_IRQ) == 0)) {
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+ gpio_export(OMAP3BEAGLE_GPIO_KS8851_IRQ, 0);
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+ omap3beagle_zippy2_spi_board_info[0].irq = OMAP_GPIO_IRQ(OMAP3BEAGLE_GPIO_KS8851_IRQ);
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+ irq_set_irq_type(omap3beagle_zippy2_spi_board_info[0].irq, IRQ_TYPE_EDGE_FALLING);
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+ } else {
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+ printk(KERN_ERR "could not obtain gpio for KS8851_IRQ\n");
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+ return;
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+ }
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+
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+ spi_register_board_info(omap3beagle_zippy2_spi_board_info,
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+ ARRAY_SIZE(omap3beagle_zippy2_spi_board_info));
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+}
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+
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+#else
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+static inline void __init omap3beagle_ks8851_init(void) { return; }
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+#endif
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+
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static struct mtd_partition omap3beagle_nand_partitions[] = {
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/* All the partition sizes are listed in terms of NAND block size */
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{
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@@ -618,6 +660,15 @@ static void __init omap3_beagle_init(void)
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mmc[1].gpio_cd = 162;
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}
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+ if(!strcmp(expansionboard_name, "zippy2"))
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+ {
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+ printk(KERN_INFO "Beagle expansionboard: initializing ks_8851\n");
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+ omap3beagle_ks8851_init();
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+ printk(KERN_INFO "Beagle expansionboard: assigning GPIO 141 and 162 to MMC1\n");
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+ mmc[1].gpio_wp = 141;
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+ mmc[1].gpio_cd = 162;
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+ }
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+
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usb_musb_init(NULL);
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usbhs_init(&usbhs_bdata);
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omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions,
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--
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1.7.7.4
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