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-rw-r--r--target/linux/omap24xx/patches-3.3/330-n800-tsc2301-platform.patch212
1 files changed, 212 insertions, 0 deletions
diff --git a/target/linux/omap24xx/patches-3.3/330-n800-tsc2301-platform.patch b/target/linux/omap24xx/patches-3.3/330-n800-tsc2301-platform.patch
new file mode 100644
index 0000000000..4ceada952e
--- /dev/null
+++ b/target/linux/omap24xx/patches-3.3/330-n800-tsc2301-platform.patch
@@ -0,0 +1,212 @@
+From f0bb9e67f0f13021e5033fed3dfe8ef78fe6a538 Mon Sep 17 00:00:00 2001
+From: Marat Radchenko <marat@slonopotamus.org>
+Date: Tue, 18 Oct 2011 21:52:56 +0400
+Subject: [PATCH 2/2] N800: add TSC2301 board info
+
+This patch adds TSC2301 init logic to N800 board file
+---
+ arch/arm/mach-omap2/board-n8x0.c | 141 ++++++++++++++++++++++++++++++++++++--
+ 1 files changed, 135 insertions(+), 6 deletions(-)
+
+--- a/arch/arm/mach-omap2/board-n8x0.c
++++ b/arch/arm/mach-omap2/board-n8x0.c
+@@ -27,6 +27,7 @@
+ #include <linux/spi/tsc2005.h>
+ #include <linux/input.h>
+ #include <linux/i2c/lm8323.h>
++#include <linux/spi/tsc2301.h>
+
+ #include <asm/mach/arch.h>
+ #include <asm/mach-types.h>
+@@ -63,7 +64,75 @@ static struct omap2_mcspi_device_config
+ };
+ #endif
+
+-static void __init tsc2005_set_config(void)
++#ifdef CONFIG_TOUCHSCREEN_TSC2301
++
++#define N800_KEYB_IRQ_GPIO 109
++
++static struct tsc2301_platform_data tsc2301_config = {
++ .reset_gpio = 118,
++ .keymap = {
++ -1, /* Event for bit 0 */
++ KEY_UP, /* Event for bit 1 (up) */
++ KEY_F5, /* Event for bit 2 (home) */
++ -1, /* Event for bit 3 */
++ KEY_LEFT, /* Event for bit 4 (left) */
++ KEY_ENTER, /* Event for bit 5 (enter) */
++ KEY_RIGHT, /* Event for bit 6 (right) */
++ -1, /* Event for bit 7 */
++ KEY_ESC, /* Event for bit 8 (cycle) */
++ KEY_DOWN, /* Event for bit 9 (down) */
++ KEY_F4, /* Event for bit 10 (menu) */
++ -1, /* Event for bit 11 */
++ KEY_F8, /* Event for bit 12 (Zoom-) */
++ KEY_F6, /* Event for bit 13 (FS) */
++ KEY_F7, /* Event for bit 14 (Zoom+) */
++ -1, /* Event for bit 15 */
++ },
++ .kp_rep = 0,
++ .keyb_name = "Internal keypad",
++};
++
++static struct omap2_mcspi_device_config tsc2301_mcspi_config = {
++ .turbo_mode = 0,
++ .single_channel = 1,
++};
++
++/*
++ TODO(Marat Radchenko): better pass GPIO to tsc2301 driver and let it
++ allocate irq itself (as it is already done for touchscreen)
++ */
++static void tsc2301_dev_init(void)
++{
++ int r;
++ int gpio = N800_KEYB_IRQ_GPIO;
++
++ r = gpio_request(gpio, "tsc2301 KBD IRQ");
++ if (r >= 0) {
++ gpio_direction_input(gpio);
++ tsc2301_config.keyb_int = gpio_to_irq(gpio);
++ } else {
++ printk(KERN_ERR "unable to get KBD GPIO");
++ }
++
++ gpio = 103;
++ r = gpio_request(gpio, "tsc2301 DAV IRQ");
++ if (r >= 0) {
++ gpio_direction_input(gpio);
++ tsc2301_config.dav_int = gpio_to_irq(gpio);
++ } else {
++ printk(KERN_ERR "unable to get DAV GPIO");
++ }
++}
++
++#else
++
++static void __init tsc2301_dev_init(void)
++{
++}
++
++#endif
++
++static void __init n8x0_ts_set_config(void)
+ {
+ const struct omap_lcd_config *conf;
+
+@@ -94,6 +163,37 @@ static void __init tsc2005_set_config(vo
+ tsc2005_config.ts_x_plate_ohm = 200;
+ }
+ #endif
++
++#ifdef CONFIG_TOUCHSCREEN_TSC2301
++ if (strcmp(conf->panel_name, "lph8923") == 0) {
++ tsc2301_config.ts_x_plate_ohm = 180;
++ tsc2301_config.ts_hw_avg = 8;
++ tsc2301_config.ts_max_pressure = 2048;
++ tsc2301_config.ts_touch_pressure = 400;
++ tsc2301_config.ts_stab_time = 100;
++ tsc2301_config.ts_pressure_fudge = 2;
++ tsc2301_config.ts_x_max = 4096;
++ tsc2301_config.ts_x_fudge = 4;
++ tsc2301_config.ts_y_max = 4096;
++ tsc2301_config.ts_y_fudge = 7;
++ } else if (strcmp(conf->panel_name, "ls041y3") == 0) {
++ tsc2301_config.ts_x_plate_ohm = 280;
++ tsc2301_config.ts_hw_avg = 8;
++ tsc2301_config.ts_touch_pressure = 400;
++ tsc2301_config.ts_max_pressure = 2048;
++ tsc2301_config.ts_stab_time = 1000;
++ tsc2301_config.ts_pressure_fudge = 2;
++ tsc2301_config.ts_x_max = 4096;
++ tsc2301_config.ts_x_fudge = 4;
++ tsc2301_config.ts_y_max = 4096;
++ tsc2301_config.ts_y_fudge = 7;
++ } else {
++ printk(KERN_ERR "Unknown panel type, set default "
++ "touchscreen configuration\n");
++ tsc2301_config.ts_x_plate_ohm = 200;
++ tsc2301_config.ts_stab_time = 100;
++ }
++#endif
+ }
+ }
+
+@@ -347,13 +447,12 @@ static void __init n8x0_usb_init(void) {
+
+ #endif /*CONFIG_USB_MUSB_TUSB6010 */
+
+-
+ static struct omap2_mcspi_device_config p54spi_mcspi_config = {
+ .turbo_mode = 0,
+ .single_channel = 1,
+ };
+
+-static struct spi_board_info n800_spi_board_info[] __initdata = {
++static struct spi_board_info n8x0_common_spi_board_info[] __initdata = {
+ {
+ .modalias = "lcd_mipid",
+ .bus_num = 1,
+@@ -369,6 +468,10 @@ static struct spi_board_info n800_spi_bo
+ .max_speed_hz = 48000000,
+ .controller_data = &p54spi_mcspi_config,
+ },
++};
++
++static struct spi_board_info n810_spi_board_info[] __initdata = {
++#ifdef CONFIG_TOUCHSCREEN_TSC2005
+ {
+ .modalias = "tsc2005",
+ .bus_num = 1,
+@@ -378,6 +481,20 @@ static struct spi_board_info n800_spi_bo
+ .controller_data = &tsc2005_mcspi_config,
+ .platform_data = &tsc2005_config,
+ },
++#endif
++};
++
++static struct spi_board_info n800_spi_board_info[] __initdata = {
++#if defined(CONFIG_TOUCHSCREEN_TSC2301)
++ {
++ .modalias = "tsc2301",
++ .bus_num = 1,
++ .chip_select = 0,
++ .max_speed_hz = 6000000,
++ .controller_data = &tsc2301_mcspi_config,
++ .platform_data = &tsc2301_config,
++ },
++#endif
+ };
+
+ #if defined(CONFIG_MTD_ONENAND_OMAP2) || \
+@@ -1015,9 +1132,17 @@ static void __init n8x0_init_machine(voi
+ n8x0_bt_init();
+
+ /* FIXME: add n810 spi devices */
+- tsc2005_set_config();
+- spi_register_board_info(n800_spi_board_info,
+- ARRAY_SIZE(n800_spi_board_info));
++ n8x0_ts_set_config();
++
++ spi_register_board_info(n8x0_common_spi_board_info,
++ ARRAY_SIZE(n8x0_common_spi_board_info));
++ if (machine_is_nokia_n800())
++ spi_register_board_info(n800_spi_board_info,
++ ARRAY_SIZE(n800_spi_board_info));
++ else
++ spi_register_board_info(n810_spi_board_info,
++ ARRAY_SIZE(n810_spi_board_info));
++
+ omap_register_i2c_bus(1, 400, n8x0_i2c_board_info_1,
+ ARRAY_SIZE(n8x0_i2c_board_info_1));
+ omap_register_i2c_bus(2, 400, NULL, 0);
+@@ -1027,6 +1152,8 @@ static void __init n8x0_init_machine(voi
+ board_serial_init();
+ n8x0_mipid_init();
+ n8x0_blizzard_init();
++ if (machine_is_nokia_n800())
++ tsc2301_dev_init();
+ omap_sdrc_init(NULL, NULL);
+ gpmc_onenand_init(board_onenand_data);
+ n8x0_mmc_init();
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