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-rw-r--r--target/linux/omap24xx/patches-3.1/300-cbus-platform.patch169
1 files changed, 169 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.1/300-cbus-platform.patch b/target/linux/omap24xx/patches-3.1/300-cbus-platform.patch
new file mode 100644
index 0000000000..567e4c6f19
--- /dev/null
+++ b/target/linux/omap24xx/patches-3.1/300-cbus-platform.patch
@@ -0,0 +1,169 @@
+Index: linux-3.1-rc4/arch/arm/mach-omap2/board-n8x0.c
+===================================================================
+--- linux-3.1-rc4.orig/arch/arm/mach-omap2/board-n8x0.c 2011-10-29 20:35:03.620973158 +0200
++++ linux-3.1-rc4/arch/arm/mach-omap2/board-n8x0.c 2011-10-29 20:35:48.268866718 +0200
+@@ -15,8 +15,10 @@
+ #include <linux/delay.h>
+ #include <linux/gpio.h>
+ #include <linux/init.h>
++#include <linux/irq.h>
+ #include <linux/io.h>
+ #include <linux/stddef.h>
++#include <linux/platform_device.h>
+ #include <linux/i2c.h>
+ #include <linux/spi/spi.h>
+ #include <linux/usb/musb.h>
+@@ -33,6 +35,7 @@
+ #include <plat/onenand.h>
+ #include <plat/mmc.h>
+ #include <plat/serial.h>
++#include <plat/cbus.h>
+
+ #include "mux.h"
+
+@@ -193,6 +196,114 @@ static struct omap_onenand_platform_data
+ };
+ #endif
+
++#if defined(CONFIG_CBUS) || defined(CONFIG_CBUS_MODULE)
++
++static struct cbus_host_platform_data n8x0_cbus_data = {
++ .clk_gpio = 66,
++ .dat_gpio = 65,
++ .sel_gpio = 64,
++};
++
++static struct platform_device n8x0_cbus_device = {
++ .name = "cbus",
++ .id = -1,
++ .dev = {
++ .platform_data = &n8x0_cbus_data,
++ },
++};
++
++static struct resource retu_resource[] = {
++ {
++ .start = -EINVAL, /* set later */
++ .flags = IORESOURCE_IRQ,
++ },
++};
++
++static struct cbus_retu_platform_data n8x0_retu_data = {
++ .irq_base = CBUS_RETU_IRQ_BASE,
++ .irq_end = CBUS_RETU_IRQ_END,
++ .devid = CBUS_RETU_DEVICE_ID,
++};
++
++static struct platform_device retu_device = {
++ .name = "retu",
++ .id = -1,
++ .resource = retu_resource,
++ .num_resources = ARRAY_SIZE(retu_resource),
++ .dev = {
++ .platform_data = &n8x0_retu_data,
++ },
++};
++
++static struct resource tahvo_resource[] = {
++ {
++ .start = -EINVAL, /* set later */
++ .flags = IORESOURCE_IRQ,
++ }
++};
++
++static struct platform_device tahvo_device = {
++ .name = "tahvo",
++ .id = -1,
++ .resource = tahvo_resource,
++ .num_resources = ARRAY_SIZE(tahvo_resource),
++};
++
++static struct platform_device tahvo_usb_device = {
++ .name = "tahvo-usb",
++ .id = -1,
++};
++
++static void __init n8x0_cbus_init(void)
++{
++ int ret;
++
++ platform_device_register(&n8x0_cbus_device);
++
++ ret = gpio_request(108, "RETU irq");
++ if (ret < 0) {
++ pr_err("retu: Unable to reserve IRQ GPIO\n");
++ return;
++ }
++
++ ret = gpio_direction_input(108);
++ if (ret < 0) {
++ pr_err("retu: Unable to change gpio direction\n");
++ gpio_free(108);
++ return;
++ }
++
++ irq_set_irq_type(gpio_to_irq(108), IRQ_TYPE_EDGE_RISING);
++ retu_resource[0].start = gpio_to_irq(108);
++ platform_device_register(&retu_device);
++
++ ret = gpio_request(111, "TAHVO irq");
++ if (ret) {
++ pr_err("tahvo: Unable to reserve IRQ GPIO\n");
++ gpio_free(108);
++ return;
++ }
++
++ /* Set the pin as input */
++ ret = gpio_direction_input(111);
++ if (ret) {
++ pr_err("tahvo: Unable to change direction\n");
++ gpio_free(108);
++ gpio_free(111);
++ return;
++ }
++
++ tahvo_resource[0].start = gpio_to_irq(111);
++ platform_device_register(&tahvo_device);
++ platform_device_register(&tahvo_usb_device);
++}
++
++#else
++static inline void __init n8x0_cbus_init(void)
++{
++}
++#endif
++
+ #if defined(CONFIG_MENELAUS) && \
+ (defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE))
+
+@@ -679,6 +790,8 @@ static inline void board_serial_init(voi
+ static void __init n8x0_init_machine(void)
+ {
+ omap2420_mux_init(board_mux, OMAP_PACKAGE_ZAC);
++ n8x0_cbus_init();
++
+ /* FIXME: add n810 spi devices */
+ spi_register_board_info(n800_spi_board_info,
+ ARRAY_SIZE(n800_spi_board_info));
+Index: linux-3.1-rc4/arch/arm/plat-omap/include/plat/irqs.h
+===================================================================
+--- linux-3.1-rc4.orig/arch/arm/plat-omap/include/plat/irqs.h 2011-10-29 20:35:01.620977933 +0200
++++ linux-3.1-rc4/arch/arm/plat-omap/include/plat/irqs.h 2011-10-29 20:35:48.268866718 +0200
+@@ -428,8 +428,16 @@
+ #define OMAP_GPMC_NR_IRQS 8
+ #define OMAP_GPMC_IRQ_END (OMAP_GPMC_IRQ_BASE + OMAP_GPMC_NR_IRQS)
+
++/* CBUS */
++#define CBUS_RETU_IRQ_BASE OMAP_GPMC_IRQ_END
++#ifdef CONFIG_CBUS_RETU
++#define CBUS_RETU_NR_IRQS 16
++#else
++#define CBUS_RETU_NR_IRQS 0
++#endif
++#define CBUS_RETU_IRQ_END (CBUS_RETU_IRQ_BASE + CBUS_RETU_NR_IRQS)
+
+-#define NR_IRQS OMAP_GPMC_IRQ_END
++#define NR_IRQS CBUS_RETU_IRQ_END
+
+ #define OMAP_IRQ_BIT(irq) (1 << ((irq) % 32))
+