From: Colin Cross <ccross@android.com>
Date: Wed, 24 Mar 2010 00:42:59 +0000 (-0700)
Subject: [ARM] tegra: olympus: Add sholes touchscreen device to olympus board
X-Git-Tag: firefly_0821_release~9834^2~926
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=fc82513d70a20ce3fd4df2aa0095df0a4fd68ecc;p=firefly-linux-kernel-4.4.55.git

[ARM] tegra: olympus: Add sholes touchscreen device to olympus board

Signed-off-by: Colin Cross <ccross@android.com>
---

diff --git a/arch/arm/mach-tegra/board-olympus-i2c.c b/arch/arm/mach-tegra/board-olympus-i2c.c
index 93b3bdb0f26a..36b1b19b951e 100644
--- a/arch/arm/mach-tegra/board-olympus-i2c.c
+++ b/arch/arm/mach-tegra/board-olympus-i2c.c
@@ -18,13 +18,190 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/i2c.h>
 #include <asm/mach-types.h>
 #include <mach/irqs.h>
 #include <mach/iomap.h>
 #include <mach/pinmux.h>
-
+#include <linux/qtouch_obp_ts.h>
+#include <linux/interrupt.h>
+#include <linux/input.h>
 #include "gpio-names.h"
 
+#define OLYMPUS_TOUCH_IRQ_GPIO TEGRA_GPIO_PF5
+#define OLYMPUS_COMPASS_IRQ_GPIO TEGRA_GPIO_PE2
+
+static int sholes_touch_reset(void)
+{
+	return 0;
+}
+
+static struct vkey sholes_touch_vkeys[] = {
+	{
+		.code		= KEY_BACK,
+	},
+	{
+		.code		= KEY_MENU,
+	},
+	{
+		.code		= KEY_HOME,
+	},
+	{
+		.code		= KEY_SEARCH,
+	},
+};
+
+static struct qtm_touch_keyarray_cfg sholes_key_array_data[] = {
+	{
+		.ctrl = 0,
+		.x_origin = 0,
+		.y_origin = 0,
+		.x_size = 0,
+		.y_size = 0,
+		.aks_cfg = 0,
+		.burst_len = 0,
+		.tch_det_thr = 0,
+		.tch_det_int = 0,
+		.rsvd1 = 0,
+		.rsvd2 = 0,
+	},
+	{
+		.ctrl = 0,
+		.x_origin = 0,
+		.y_origin = 0,
+		.x_size = 0,
+		.y_size = 0,
+		.aks_cfg = 0,
+		.burst_len = 0,
+		.tch_det_thr = 0,
+		.tch_det_int = 0,
+		.rsvd1 = 0,
+		.rsvd2 = 0,
+	},
+};
+
+static struct qtouch_ts_platform_data sholes_ts_platform_data = {
+	.irqflags	= IRQF_TRIGGER_LOW,
+	.flags		= (QTOUCH_SWAP_XY |
+			   QTOUCH_FLIP_X |
+			   QTOUCH_USE_MULTITOUCH |
+			   QTOUCH_CFG_BACKUPNV |
+			   QTOUCH_EEPROM_CHECKSUM),
+	.abs_min_x	= 0,
+	.abs_max_x	= 1024,
+	.abs_min_y	= 0,
+	.abs_max_y	= 1024,
+	.abs_min_p	= 0,
+	.abs_max_p	= 255,
+	.abs_min_w	= 0,
+	.abs_max_w	= 15,
+	.x_delta	= 400,
+	.y_delta	= 250,
+	.nv_checksum	= 0xfaf5,
+	.fuzz_x		= 0,
+	.fuzz_y		= 0,
+	.fuzz_p		= 2,
+	.fuzz_w		= 2,
+	.hw_reset	= sholes_touch_reset,
+	.power_cfg	= {
+		.idle_acq_int	= 0xff,
+		.active_acq_int	= 0xff,
+		.active_idle_to	= 0x01,
+	},
+	.acquire_cfg	= {
+		.charge_time	= 12,
+		.atouch_drift	= 5,
+		.touch_drift	= 20,
+		.drift_susp	= 20,
+		.touch_autocal	= 0x96,
+		.sync		= 0,
+	},
+	.multi_touch_cfg	= {
+		.ctrl		= 0x0b,
+		.x_origin	= 0,
+		.y_origin	= 0,
+		.x_size		= 19,
+		.y_size		= 11,
+		.aks_cfg	= 0,
+		.burst_len	= 0x40,
+		.tch_det_thr	= 0x12,
+		.tch_det_int	= 0x2,
+		.mov_hyst_init	= 0xe,
+		.mov_hyst_next	= 0xe,
+		.mov_filter	= 0x9,
+		.num_touch	= 2,
+		.merge_hyst	= 0,
+		.merge_thresh	= 3,
+		.amp_hyst = 2,
+		 .x_res = 0x0000,
+		 .y_res = 0x0000,
+		 .x_low_clip = 0x00,
+		 .x_high_clip = 0x00,
+		 .y_low_clip = 0x00,
+		 .y_high_clip = 0x00,
+	},
+    .linear_tbl_cfg = {
+		  .ctrl = 0x01,
+		  .x_offset = 0x0000,
+		  .x_segment = {
+			  0x48, 0x3f, 0x3c, 0x3E,
+			  0x3f, 0x3e, 0x3e, 0x3e,
+			  0x3f, 0x42, 0x41, 0x3f,
+			  0x41, 0x40, 0x41, 0x46
+		  },
+		  .y_offset = 0x0000,
+		  .y_segment = {
+			  0x44, 0x38, 0x37, 0x3e,
+			  0x3e, 0x41, 0x41, 0x3f,
+			  0x42, 0x41, 0x42, 0x42,
+			  0x41, 0x3f, 0x41, 0x45
+		  },
+	  },
+	.grip_suppression_cfg = {
+		.ctrl		= 0x00,
+		.xlogrip	= 0x00,
+		.xhigrip	= 0x00,
+		.ylogrip	= 0x00,
+		.yhigrip	= 0x00,
+		.maxtchs	= 0x00,
+		.reserve0   = 0x00,
+		.szthr1	= 0x00,
+		.szthr2	= 0x00,
+		.shpthr1	= 0x00,
+		.shpthr2	= 0x00,
+	},
+	.noise1_suppression_cfg = {
+		.ctrl = 0x01,
+		.reserved = 0x01,
+		.atchthr = 0x64,
+		.duty_cycle = 0x08,
+	},
+	.key_array      = {
+		.cfg		= sholes_key_array_data,
+		.num_keys   = ARRAY_SIZE(sholes_key_array_data),
+	},
+	.vkeys			= {
+		.keys		= sholes_touch_vkeys,
+		.count		= ARRAY_SIZE(sholes_touch_vkeys),
+		.start		= 961,
+	},
+};
+
+static struct i2c_board_info __initdata sholes_i2c_bus1_board_info[] = {
+	{
+		I2C_BOARD_INFO(QTOUCH_TS_NAME, 0x4a),
+		.platform_data = &sholes_ts_platform_data,
+		.irq = TEGRA_GPIO_TO_IRQ(OLYMPUS_TOUCH_IRQ_GPIO),
+	},
+};
+
+static struct i2c_board_info __initdata olympus_i2c_bus4_board_info[] = {
+        {
+                I2C_BOARD_INFO("akm8973", 0x0C),
+                .irq = TEGRA_GPIO_TO_IRQ(OLYMPUS_COMPASS_IRQ_GPIO),
+        },
+};
+
 static struct resource i2c_resource1[] = {
 	[0] = {
 		.start  = INT_I2C,
@@ -127,7 +304,15 @@ static int __init olympus_init_i2c(void)
 	ret = platform_device_register(&tegra_i2c_device1);
 	ret = platform_device_register(&tegra_i2c_device2);
 	ret = platform_device_register(&tegra_i2c_device3);
-	/*ret = platform_device_register(&tegra_i2c_device4);*/
+	ret = platform_device_register(&tegra_i2c_device4);
+
+	tegra_gpio_enable(OLYMPUS_TOUCH_IRQ_GPIO);
+	gpio_request(OLYMPUS_TOUCH_IRQ_GPIO, "touch_irq");
+	gpio_direction_input(OLYMPUS_TOUCH_IRQ_GPIO);
+
+	i2c_register_board_info(0, sholes_i2c_bus1_board_info, 1);
+
+	i2c_register_board_info(3, olympus_i2c_bus4_board_info, 1);
 	if (ret != 0)
 		return ret;