arm: tegra: cardhu: enable touchscreen for E1506 panel

Enable Atmel Mxt touchscreen for E1506 panel.

Bug 978305.

Change-Id: I57b02e4a9b3180e8114a96d5f9a8e075df166260
Signed-off-by: Rakesh Iyer <riyer@nvidia.com>
Reviewed-on: http://git-master/r/104895
Reviewed-by: Automatic_Commit_Validation_User
GVS: Gerrit_Virtual_Submit
Reviewed-by: Robert Collins <rcollins@nvidia.com>
Reviewed-by: Dan Willemsen <dwillemsen@nvidia.com>

1 files changed, 61 insertions, 6 deletions

diff --git a/arch/arm/mach-tegra/board-cardhu.c b/arch/arm/mach-tegra/board-cardhu.c
index f65d8b8305ca..2dde2c38e5ea 100644
--- a/arch/arm/mach-tegra/board-cardhu.c
+++ b/arch/arm/mach-tegra/board-cardhu.c
@@ -720,6 +720,32 @@ static struct platform_device *cardhu_devices[] __initdata = {
 #endif
 };
 
+#define E1506_MXT_CONFIG_CRC 0x62F903
+static const u8 e1506_config[] = {
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0xFF, 0xFF, 0x32, 0x0A, 0x00, 0x05, 0x01, 0x00,
+	0x00, 0x1E, 0x0A, 0x8B, 0x00, 0x00, 0x13, 0x0B,
+	0x00, 0x10, 0x32, 0x03, 0x03, 0x00, 0x03, 0x01,
+	0x00, 0x0A, 0x0A, 0x0A, 0x0A, 0xBF, 0x03, 0x1B,
+	0x02, 0x00, 0x00, 0x37, 0x37, 0x00, 0x00, 0x00,
+	0x00, 0x28, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0xA9, 0x7F, 0x9A, 0x0E, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x03, 0x23, 0x00, 0x00, 0x00, 0x0A,
+	0x0F, 0x14, 0x19, 0x03, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+	0x00, 0x00, 0x00, 0x01, 0x00, 0x03, 0x08, 0x10,
+	0x00
+};
+
 #define MXT_CONFIG_CRC  0xD62DE8
 static const u8 config[] = {
 	0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
@@ -785,6 +811,23 @@ static struct mxt_platform_data atmel_mxt_info = {
 	.read_chg       = NULL,
 };
 
+static struct mxt_platform_data e1506_atmel_mxt_info = {
+	.x_line         = 19,
+	.y_line         = 11,
+	.x_size         = 960,
+	.y_size         = 540,
+	.blen           = 0x10,
+	.threshold      = 0x32,
+	.voltage        = 3300000,              /* 3.3V */
+	.orient         = 3,
+	.config         = e1506_config,
+	.config_length  = 168,
+	.config_crc     = E1506_MXT_CONFIG_CRC,
+	.irqflags       = IRQF_TRIGGER_FALLING,
+/*	.read_chg       = &read_chg, */
+	.read_chg       = NULL,
+};
+
 static struct i2c_board_info __initdata atmel_i2c_info[] = {
 	{
 		I2C_BOARD_INFO("atmel_mxt_ts", 0x5A),
@@ -792,6 +835,13 @@ static struct i2c_board_info __initdata atmel_i2c_info[] = {
 	}
 };
 
+static struct i2c_board_info __initdata e1506_atmel_i2c_info[] = {
+	{
+		I2C_BOARD_INFO("atmel_mxt_ts", 0x4A),
+		.platform_data = &e1506_atmel_mxt_info,
+	}
+};
+
 static __initdata struct tegra_clk_init_table spi_clk_init_table[] = {
 	/* name         parent          rate            enabled */
 	{ "sbc1",       "pll_p",        52000000,       true},
@@ -800,10 +850,11 @@ static __initdata struct tegra_clk_init_table spi_clk_init_table[] = {
 
 static int __init cardhu_touch_init(void)
 {
-	struct board_info BoardInfo;
+	struct board_info BoardInfo, DisplayBoardInfo;
 
-	tegra_get_display_board_info(&BoardInfo);
-	if (BoardInfo.board_id == BOARD_DISPLAY_PM313) {
+	tegra_get_board_info(&BoardInfo);
+	tegra_get_display_board_info(&DisplayBoardInfo);
+	if (DisplayBoardInfo.board_id == BOARD_DISPLAY_PM313) {
 		tegra_clk_init_from_table(spi_clk_init_table);
 
 		touch_init_raydium(TEGRA_GPIO_PH4, TEGRA_GPIO_PH6, 2);
@@ -817,14 +868,18 @@ static int __init cardhu_touch_init(void)
 		gpio_set_value(TEGRA_GPIO_PH6, 1);
 		msleep(100);
 
-		tegra_get_board_info(&BoardInfo);
 		if ((BoardInfo.sku & SKU_TOUCH_MASK) == SKU_TOUCH_2000) {
 			atmel_mxt_info.config = config_sku2000;
 			atmel_mxt_info.config_crc = MXT_CONFIG_CRC_SKU2000;
 		}
 
-		atmel_i2c_info[0].irq = gpio_to_irq(TEGRA_GPIO_PH4);
-		i2c_register_board_info(1, atmel_i2c_info, 1);
+		if (DisplayBoardInfo.board_id == BOARD_DISPLAY_E1506) {
+			e1506_atmel_i2c_info[0].irq = gpio_to_irq(TEGRA_GPIO_PH4);
+			i2c_register_board_info(1, e1506_atmel_i2c_info, 1);
+		} else {
+			atmel_i2c_info[0].irq = gpio_to_irq(TEGRA_GPIO_PH4);
+			i2c_register_board_info(1, atmel_i2c_info, 1);
+		}
 	}
 
 	return 0;