[PATCH v2 2/3] drm/panel: add s6e63j0x03 LCD panel driver

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From: Inki Dae <inki.dae@xxxxxxxxxxx>

This patch adds MIPI-DSI based S6E63J0X03 AMOLED LCD panel driver
which uses mipi_dsi bus to communicate with panel. The panel has
320×320 resolution in 1.63-inch physical panel. This panel is used in
Samsung Galaxy Gear 2.

Signed-off-by: Inki Dae <inki.dae@xxxxxxxxxxx>
Signed-off-by: Hyungwon Hwang <human.hwang@xxxxxxxxxxx>
Acked-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
Changes for v2:
- Change the gamma table to 2-dimensional array
- Change the way to make index for brightness
- Make command functions to an array so that it can be called simply
- Change command id for reading device ID
- Change the way to handle the error condition
- Remove power variable, and use the same name variable in bl_dev
- Add the state FB_BLANK_NORMAL to represent the state which the panel
is working but blanked
- Miscellaneous changes to increase the readability and follow the
  coding-style standard

 drivers/gpu/drm/panel/Kconfig            |   6 +
 drivers/gpu/drm/panel/Makefile           |   1 +
 drivers/gpu/drm/panel/panel-s6e63j0x03.c | 549 +++++++++++++++++++++++++++++++
 3 files changed, 556 insertions(+)
 create mode 100644 drivers/gpu/drm/panel/panel-s6e63j0x03.c

diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index bee9f72..bc133e2 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -27,4 +27,10 @@ config DRM_PANEL_S6E8AA0
 	select DRM_MIPI_DSI
 	select VIDEOMODE_HELPERS
 
+config DRM_PANEL_S6E63J0X03
+	tristate "S6E63J0X03 DSI video mode panel"
+	depends on OF
+	select DRM_MIPI_DSI
+	select VIDEOMODE_HELPERS
+
 endmenu
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 8b92921..7f36dc2 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,3 +1,4 @@
 obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
 obj-$(CONFIG_DRM_PANEL_LD9040) += panel-ld9040.o
 obj-$(CONFIG_DRM_PANEL_S6E8AA0) += panel-s6e8aa0.o
+obj-$(CONFIG_DRM_PANEL_S6E63J0X03) += panel-s6e63j0x03.o
diff --git a/drivers/gpu/drm/panel/panel-s6e63j0x03.c b/drivers/gpu/drm/panel/panel-s6e63j0x03.c
new file mode 100644
index 0000000..28e4a51
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-s6e63j0x03.c
@@ -0,0 +1,549 @@
+/*
+ * MIPI-DSI based S6E63J0X03 AMOLED lcd 1.63 inch panel driver.
+ *
+ * Copyright (c) 2014 Samsung Electronics Co., Ltd
+ *
+ * Inki Dae, <inki.dae@xxxxxxxxxxx>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <drm/drmP.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <linux/of_gpio.h>
+#include <linux/gpio.h>
+#include <linux/regulator/consumer.h>
+#include <linux/backlight.h>
+
+#include <video/mipi_display.h>
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#define READ_ID1		0xDA
+#define READ_ID2		0xDB
+#define READ_ID3		0xDC
+
+#define MCS_LEVEL2_KEY		0xf0
+#define MCS_MTP_KEY		0xf1
+#define MCS_MTP_SET3		0xd4
+
+#define MIN_BRIGHTNESS		0
+#define MAX_BRIGHTNESS		100
+#define DEFAULT_BRIGHTNESS	80
+
+#define GAMMA_LEVEL_NUM		30
+#define NUM_GAMMA_STEPS		9
+#define GAMMA_CMD_CNT		28
+
+struct s6e63j0x03 {
+	struct device *dev;
+	struct drm_panel panel;
+	struct backlight_device *bl_dev;
+
+	struct regulator_bulk_data supplies[2];
+	struct gpio_desc *reset_gpio;
+	u32 power_on_delay;
+	u32 power_off_delay;
+	u32 reset_delay;
+	u32 init_delay;
+	bool flip_horizontal;
+	bool flip_vertical;
+	struct videomode vm;
+	unsigned int width_mm;
+	unsigned int height_mm;
+};
+
+static const unsigned char gamma_tbl[NUM_GAMMA_STEPS][GAMMA_CMD_CNT] = {
+	{	/* Gamma 10 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x7f, 0x7f, 0x7f, 0x52, 0x6b, 0x6f, 0x26,
+		0x28, 0x2d, 0x28, 0x26, 0x27, 0x33, 0x34, 0x32, 0x36, 0x36,
+		0x35, 0x00, 0xab, 0x00, 0xae, 0x00, 0xbf
+	},
+	{	/* gamma 30 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x70, 0x7f, 0x7f, 0x4e, 0x64, 0x69, 0x26,
+		0x27, 0x2a, 0x28, 0x29, 0x27, 0x31, 0x32, 0x31, 0x35, 0x34,
+		0x35, 0x00, 0xc4, 0x00, 0xca, 0x00, 0xdc
+	},
+	{	/* gamma 60 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x65, 0x7b, 0x7d, 0x5f, 0x67, 0x68, 0x2a,
+		0x28, 0x29, 0x28, 0x2a, 0x27, 0x31, 0x2f, 0x30, 0x34, 0x33,
+		0x34, 0x00, 0xd9, 0x00, 0xe4, 0x00, 0xf5
+	},
+	{	/* gamma 90 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x4d, 0x6f, 0x71, 0x67, 0x6a, 0x6c, 0x29,
+		0x28, 0x28, 0x28, 0x29, 0x27, 0x30, 0x2e, 0x30, 0x32, 0x31,
+		0x31, 0x00, 0xea, 0x00, 0xf6, 0x01, 0x09
+	},
+	{	/* gamma 120 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x3d, 0x66, 0x68, 0x69, 0x69, 0x69, 0x28,
+		0x28, 0x27, 0x28, 0x28, 0x27, 0x30, 0x2e, 0x2f, 0x31, 0x31,
+		0x30, 0x00, 0xf9, 0x01, 0x05, 0x01, 0x1b
+	},
+	{	/* gamma 150 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x31, 0x51, 0x53, 0x66, 0x66, 0x67, 0x28,
+		0x29, 0x27, 0x28, 0x27, 0x27, 0x2e, 0x2d, 0x2e, 0x31, 0x31,
+		0x30, 0x01, 0x04, 0x01, 0x11, 0x01, 0x29
+	},
+	{	/* gamma 200 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x2f, 0x4f, 0x51, 0x67, 0x65, 0x65, 0x29,
+		0x2a, 0x28, 0x27, 0x25, 0x26, 0x2d, 0x2c, 0x2c, 0x30, 0x30,
+		0x30, 0x01, 0x14, 0x01, 0x23, 0x01, 0x3b
+	},
+	{	/* gamma 240 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x2c, 0x4d, 0x50, 0x65, 0x63, 0x64, 0x2a,
+		0x2c, 0x29, 0x26, 0x24, 0x25, 0x2c, 0x2b, 0x2b, 0x30, 0x30,
+		0x30, 0x01, 0x1e, 0x01, 0x2f, 0x01, 0x47
+	},
+	{	/* gamma 300 */
+		MCS_MTP_SET3,
+		0x00, 0x00, 0x00, 0x38, 0x61, 0x64, 0x65, 0x63, 0x64, 0x28,
+		0x2a, 0x27, 0x26, 0x23, 0x25, 0x2b, 0x2b, 0x2a, 0x30, 0x2f,
+		0x30, 0x01, 0x2d, 0x01, 0x3f, 0x01, 0x57
+	}
+};
+
+static const unsigned char prepare_cmds1[][15] = {
+	{ 3, 0xf2, 0x1c, 0x28 },		/* porch_adjustment */
+	{ 4, 0xb5, 0x00, 0x02, 0x00 },		/* frame_freq */
+	{ 5, 0x2a, 0x00, 0x14, 0x01, 0x53 },	/* mem_addr_set_0 */
+	{ 5, 0x2b, 0x00, 0x00, 0x01, 0x3f },	/* mem_addr_set_1 */
+	{ 14, 0xf8, 0x08, 0x08, 0x08, 0x17,	/* ltps_timming_set_0_60hz */
+	      0x00, 0x2a, 0x02, 0x26,
+	      0x00, 0x00, 0x02, 0x00, 0x00 },
+	{ 2, 0xf7, 0x02 },			/* ltps_timming_set_1 */
+	{ 2, 0xb0, 0x01 },			/* param_pos_te_edge */
+	{ 2, 0xe2, 0x0f },			/* te_rising_edge */
+	{ 2, 0xb0, 0x00 },			/* param_pos_default */
+	{ 1, MIPI_DCS_EXIT_SLEEP_MODE },
+};
+
+static const  unsigned char prepare_cmds2[][4] = {
+	{ 3, 0xb1, 0x00, 0x09 },	/* elvss_cond */
+	{ 2, 0x36, 0x40 },		/* set_pos */
+	{ 2, 0x51, 0xff },		/* white_brightness_default */
+	{ 2, 0x53, 0x20 },		/* white_ctrl */
+	{ 2, 0x55, 0x00 },		/* acl_off */
+	{ 1, MIPI_DCS_SET_TEAR_ON },
+};
+
+
+static inline struct s6e63j0x03 *panel_to_s6e63j0x03(struct drm_panel *panel)
+{
+	return container_of(panel, struct s6e63j0x03, panel);
+}
+
+static inline ssize_t s6e63j0x03_dcs_write_seq(struct s6e63j0x03 *ctx,
+					const u8 *seq, const unsigned char len)
+{
+	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+
+	return mipi_dsi_dcs_write(dsi, seq, len);
+}
+
+static inline int s6e63j0x03_enable_lv2_command(struct s6e63j0x03 *ctx)
+{
+	unsigned char seq[] = { MCS_LEVEL2_KEY, 0x5a, 0x5a };
+
+	return s6e63j0x03_dcs_write_seq(ctx, seq, ARRAY_SIZE(seq));
+}
+
+static inline int s6e63j0x03_apply_mtp_key(struct s6e63j0x03 *ctx, bool on)
+{
+	unsigned char seq1[3] = { MCS_MTP_KEY, 0x5a, 0x5a };
+	unsigned char seq2[3] = { MCS_MTP_KEY, 0xa5, 0xa5 };
+
+	return s6e63j0x03_dcs_write_seq(ctx, on ? seq1 : seq2,
+					ARRAY_SIZE(seq1));
+}
+
+static int s6e63j0x03_read_mtp_id(struct s6e63j0x03 *ctx)
+{
+	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+	unsigned char cmds[3] = { READ_ID1, READ_ID2, READ_ID3 };
+	unsigned char id[3];
+	int ret;
+	int i;
+
+	for (i = 0; i < 3; i++) {
+		ret = mipi_dsi_dcs_read(dsi, cmds[i], &id[i], 1);
+
+		if (ret < 0)
+			return ret;
+	}
+
+	dev_info(ctx->dev, "ID: 0x%02x, 0x%02x, 0x%02x\n", id[0], id[1], id[2]);
+
+	return 0;
+}
+
+static int s6e63j0x03_power_on(struct s6e63j0x03 *ctx)
+{
+	int ret;
+
+	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+	if (ret < 0)
+		return ret;
+
+	msleep(ctx->power_on_delay);
+
+	gpiod_set_value(ctx->reset_gpio, 0);
+	usleep_range(1000, 2000);
+	gpiod_set_value(ctx->reset_gpio, 1);
+
+	usleep_range(ctx->reset_delay * 1000, (ctx->reset_delay + 1) * 1000);
+
+	return 0;
+}
+
+static int s6e63j0x03_power_off(struct s6e63j0x03 *ctx)
+{
+	int ret;
+
+	gpiod_set_value(ctx->reset_gpio, 0);
+
+	ret = regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static int s6e63j0x03_get_brightness(struct backlight_device *bl_dev)
+{
+	return bl_dev->props.brightness;
+}
+
+static unsigned int s6e63j0x03_get_brightness_index(unsigned int brightness)
+{
+	unsigned int index;
+
+	index = brightness / (MAX_BRIGHTNESS / NUM_GAMMA_STEPS);
+
+	if (index >= NUM_GAMMA_STEPS)
+		index = NUM_GAMMA_STEPS - 1;
+
+	return index;
+}
+
+static int s6e63j0x03_update_gamma(struct s6e63j0x03 *ctx,
+					unsigned int brightness)
+{
+	struct backlight_device *bl_dev = ctx->bl_dev;
+	struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+	unsigned int index = s6e63j0x03_get_brightness_index(brightness);
+	int ret;
+
+	ret = s6e63j0x03_apply_mtp_key(ctx, true);
+	if (ret < 0)
+		return ret;
+
+	ret = mipi_dsi_dcs_write(dsi, gamma_tbl[index], GAMMA_CMD_CNT);
+	if (ret < 0)
+		return ret;
+
+	ret = s6e63j0x03_apply_mtp_key(ctx, false);
+	if (ret < 0)
+		return ret;
+
+	bl_dev->props.brightness = brightness;
+
+	return 0;
+}
+
+static int s6e63j0x03_set_brightness(struct backlight_device *bl_dev)
+{
+	struct s6e63j0x03 *ctx = (struct s6e63j0x03 *)bl_get_data(bl_dev);
+	unsigned int brightness = bl_dev->props.brightness;
+	int ret;
+
+	if (brightness < MIN_BRIGHTNESS ||
+		brightness > bl_dev->props.max_brightness) {
+		dev_err(ctx->dev, "Invalid brightness: %u\n", brightness);
+		return -EINVAL;
+	}
+
+	if (bl_dev->props.power > FB_BLANK_NORMAL) {
+		dev_err(ctx->dev,
+			"panel must be at least in fb blank normal state\n");
+		return -EPERM;
+	}
+
+	ret = s6e63j0x03_update_gamma(ctx, brightness);
+	if (ret < 0)
+		return ret;
+
+	return 0;
+}
+
+static const struct backlight_ops s6e63j0x03_bl_ops = {
+	.get_brightness = s6e63j0x03_get_brightness,
+	.update_status = s6e63j0x03_set_brightness,
+};
+
+static int s6e63j0x03_disable(struct drm_panel *panel)
+{
+	struct s6e63j0x03 *ctx = panel_to_s6e63j0x03(panel);
+	struct backlight_device *bl_dev = ctx->bl_dev;
+	u8 seq[] = { MIPI_DCS_SET_DISPLAY_OFF };
+	int ret;
+
+	ret = s6e63j0x03_dcs_write_seq(ctx, seq, ARRAY_SIZE(seq));
+	if (ret > 0)
+		bl_dev->props.power = FB_BLANK_NORMAL;
+
+	return 0;
+}
+
+static int s6e63j0x03_unprepare(struct drm_panel *panel)
+{
+	struct s6e63j0x03 *ctx = panel_to_s6e63j0x03(panel);
+	struct backlight_device *bl_dev = ctx->bl_dev;
+	u8 seq[] = { MIPI_DCS_ENTER_SLEEP_MODE };
+	int ret;
+
+	ret = s6e63j0x03_dcs_write_seq(ctx, seq, ARRAY_SIZE(seq));
+	if (ret < 0)
+		return ret;
+
+	msleep(ctx->power_off_delay);
+
+	ret = s6e63j0x03_power_off(ctx);
+	if (ret < 0)
+		return ret;
+
+	bl_dev->props.power = FB_BLANK_POWERDOWN;
+
+	return 0;
+}
+
+static int s6e63j0x03_prepare(struct drm_panel *panel)
+{
+	struct s6e63j0x03 *ctx = panel_to_s6e63j0x03(panel);
+	struct backlight_device *bl_dev = ctx->bl_dev;
+	int ret;
+	int i;
+
+	ret = s6e63j0x03_power_on(ctx);
+	if (ret < 0)
+		return ret;
+
+	ret = s6e63j0x03_enable_lv2_command(ctx);
+	if (ret < 0)
+		return ret;
+
+	ret = s6e63j0x03_apply_mtp_key(ctx, true);
+	if (ret < 0)
+		return ret;
+
+	ret = s6e63j0x03_read_mtp_id(ctx);
+	if (ret < 0)
+		return ret;
+
+	for (i = 0; i < ARRAY_SIZE(prepare_cmds1); i++) {
+		ret = s6e63j0x03_dcs_write_seq(ctx, &prepare_cmds1[i][1],
+							prepare_cmds1[i][0]);
+		if (ret < 0)
+			return ret;
+	}
+
+	msleep(120);
+
+	for (i = 0; i < ARRAY_SIZE(prepare_cmds2); i++) {
+		ret = s6e63j0x03_dcs_write_seq(ctx, &prepare_cmds2[i][1],
+							prepare_cmds2[i][0]);
+		if (ret < 0)
+			return ret;
+	}
+
+	ret = s6e63j0x03_apply_mtp_key(ctx, false);
+	if (ret < 0)
+		return ret;
+
+	bl_dev->props.power = FB_BLANK_NORMAL;
+
+	return 0;
+}
+
+static int s6e63j0x03_enable(struct drm_panel *panel)
+{
+	struct s6e63j0x03 *ctx = panel_to_s6e63j0x03(panel);
+	struct backlight_device *bl_dev = ctx->bl_dev;
+	u8 seq[] = { MIPI_DCS_SET_DISPLAY_ON };
+	int ret;
+
+	ret = s6e63j0x03_dcs_write_seq(ctx, seq, ARRAY_SIZE(seq));
+	if (ret > 0)
+		bl_dev->props.power = FB_BLANK_UNBLANK;
+
+	return 0;
+}
+
+static int s6e63j0x03_get_modes(struct drm_panel *panel)
+{
+	struct drm_connector *connector = panel->connector;
+	struct s6e63j0x03 *ctx = panel_to_s6e63j0x03(panel);
+	struct drm_display_mode *mode;
+
+	mode = drm_mode_create(connector->dev);
+	if (!mode) {
+		DRM_ERROR("failed to create a new display mode\n");
+		return 0;
+	}
+
+	drm_display_mode_from_videomode(&ctx->vm, mode);
+	mode->width_mm = ctx->width_mm;
+	mode->height_mm = ctx->height_mm;
+	connector->display_info.width_mm = mode->width_mm;
+	connector->display_info.height_mm = mode->height_mm;
+
+	mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+	drm_mode_probed_add(connector, mode);
+
+	return 1;
+}
+
+static const struct drm_panel_funcs s6e63j0x03_funcs = {
+	.disable = s6e63j0x03_disable,
+	.unprepare = s6e63j0x03_unprepare,
+	.prepare = s6e63j0x03_prepare,
+	.enable = s6e63j0x03_enable,
+	.get_modes = s6e63j0x03_get_modes,
+};
+
+static int s6e63j0x03_parse_dt(struct s6e63j0x03 *ctx)
+{
+	struct device *dev = ctx->dev;
+	struct device_node *np = dev->of_node;
+	int ret;
+
+	ret = of_get_videomode(np, &ctx->vm, 0);
+	if (ret < 0)
+		return ret;
+
+	of_property_read_u32(np, "power-on-delay", &ctx->power_on_delay);
+	of_property_read_u32(np, "power-off-delay", &ctx->power_off_delay);
+	of_property_read_u32(np, "reset-delay", &ctx->reset_delay);
+	of_property_read_u32(np, "init-delay", &ctx->init_delay);
+
+	ctx->flip_horizontal = of_property_read_bool(np, "flip-horizontal");
+	ctx->flip_vertical = of_property_read_bool(np, "flip-vertical");
+
+	return ret;
+}
+
+static int s6e63j0x03_probe(struct mipi_dsi_device *dsi)
+{
+	struct device *dev = &dsi->dev;
+	struct s6e63j0x03 *ctx;
+	int ret;
+
+	ctx = devm_kzalloc(dev, sizeof(struct s6e63j0x03), GFP_KERNEL);
+	if (!ctx)
+		return -ENOMEM;
+
+	mipi_dsi_set_drvdata(dsi, ctx);
+
+	ctx->dev = dev;
+
+	dsi->lanes = 1;
+	dsi->format = MIPI_DSI_FMT_RGB888;
+	dsi->mode_flags = MIPI_DSI_MODE_EOT_PACKET | MIPI_DSI_MODE_VIDEO_BURST;
+
+	ret = s6e63j0x03_parse_dt(ctx);
+	if (ret < 0)
+		return ret;
+
+	ctx->supplies[0].supply = "vdd3";
+	ctx->supplies[1].supply = "vci";
+	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),
+				      ctx->supplies);
+	if (ret < 0) {
+		dev_err(dev, "failed to get regulators: %d\n", ret);
+		return ret;
+	}
+
+	ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);
+	if (IS_ERR(ctx->reset_gpio)) {
+		dev_err(dev, "cannot get reset-gpio: %ld\n",
+				PTR_ERR(ctx->reset_gpio));
+		return PTR_ERR(ctx->reset_gpio);
+	}
+
+	drm_panel_init(&ctx->panel);
+	ctx->panel.dev = dev;
+	ctx->panel.funcs = &s6e63j0x03_funcs;
+
+	ctx->bl_dev = backlight_device_register("s6e63j0x03", dev, ctx,
+						&s6e63j0x03_bl_ops, NULL);
+	if (IS_ERR(ctx->bl_dev)) {
+		dev_err(dev, "failed to register backlight device\n");
+		return PTR_ERR(ctx->bl_dev);
+	}
+
+	ctx->bl_dev->props.max_brightness = MAX_BRIGHTNESS;
+	ctx->bl_dev->props.brightness = DEFAULT_BRIGHTNESS;
+	ctx->bl_dev->props.power = FB_BLANK_POWERDOWN;
+
+
+	ret = drm_panel_add(&ctx->panel);
+	if (ret < 0)
+		goto unregister_backlight;
+
+	ret = mipi_dsi_attach(dsi);
+	if (ret < 0)
+		goto remove_panel;
+
+	return ret;
+
+remove_panel:
+	drm_panel_remove(&ctx->panel);
+
+unregister_backlight:
+	backlight_device_unregister(ctx->bl_dev);
+
+	return ret;
+}
+
+static int s6e63j0x03_remove(struct mipi_dsi_device *dsi)
+{
+	struct s6e63j0x03 *ctx = mipi_dsi_get_drvdata(dsi);
+
+	mipi_dsi_detach(dsi);
+	drm_panel_remove(&ctx->panel);
+
+	backlight_device_unregister(ctx->bl_dev);
+
+	return 0;
+}
+
+static const struct of_device_id s6e63j0x03_of_match[] = {
+	{ .compatible = "samsung,s6e63j0x03" },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, s6e63j0x03_of_match);
+
+static struct mipi_dsi_driver s6e63j0x03_driver = {
+	.probe = s6e63j0x03_probe,
+	.remove = s6e63j0x03_remove,
+	.driver = {
+		.name = "panel_s6e63j0x03",
+		.of_match_table = s6e63j0x03_of_match,
+	},
+};
+module_mipi_dsi_driver(s6e63j0x03_driver);
+
+MODULE_AUTHOR("Inki Dae <inki.dae@xxxxxxxxxxx>");
+MODULE_DESCRIPTION("MIPI-DSI based s6e8aa0 AMOLED LCD Panel Driver");
+MODULE_LICENSE("GPL v2");
-- 
1.9.1

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