This patch adds support for Himax HX8369A MIPI DSI panel.
Signed-off-by: Liu Ying <Ying.Liu@xxxxxxxxxxxxx>
---
v3->v4:
* Move the relevant dt-bindings to a separate patch to address Stefan
Wahren's comment.
v2->v3:
* Sort the included header files alphabetically.
v1->v2:
* Address almost all comments from Thierry Reding.
* Remove several DT properties as they can be implied by the compatible string.
* Add the HIMAX/himax prefixes to the driver's Kconfig name and driver name.
* Move the driver's Makefile entry place to sort the entries alphabetically.
* Reuse several standard DCS functions instead of inventing wheels.
* Move the panel resetting and power logics to the driver probe/remove stages.
This may simplify panel prepare/unprepare hooks. The power consumption should
not change a lot at DPMS since the panel enters sleep mode at that time.
* Add the module author.
* Other minor changes, such as coding style issues.
drivers/gpu/drm/panel/Kconfig | 5 +
drivers/gpu/drm/panel/Makefile | 1 +
drivers/gpu/drm/panel/panel-himax-hx8369a.c | 573 ++++++++++++++++++++++++++++
3 files changed, 579 insertions(+)
create mode 100644 drivers/gpu/drm/panel/panel-himax-hx8369a.c
diff --git a/drivers/gpu/drm/panel/Kconfig b/drivers/gpu/drm/panel/Kconfig
index 024e98e..81b0bf0 100644
--- a/drivers/gpu/drm/panel/Kconfig
+++ b/drivers/gpu/drm/panel/Kconfig
@@ -16,6 +16,11 @@ config DRM_PANEL_SIMPLE
that it can be automatically turned off when the panel goes into a
low power state.
+config DRM_PANEL_HIMAX_HX8369A
+ tristate "Himax HX8369A panel"
+ depends on OF
+ select DRM_MIPI_DSI
+
config DRM_PANEL_LD9040
tristate "LD9040 RGB/SPI panel"
depends on OF && SPI
diff --git a/drivers/gpu/drm/panel/Makefile b/drivers/gpu/drm/panel/Makefile
index 4b2a043..d5dbe06 100644
--- a/drivers/gpu/drm/panel/Makefile
+++ b/drivers/gpu/drm/panel/Makefile
@@ -1,4 +1,5 @@
obj-$(CONFIG_DRM_PANEL_SIMPLE) += panel-simple.o
+obj-$(CONFIG_DRM_PANEL_HIMAX_HX8369A) += panel-himax-hx8369a.o
obj-$(CONFIG_DRM_PANEL_LD9040) += panel-ld9040.o
obj-$(CONFIG_DRM_PANEL_S6E8AA0) += panel-s6e8aa0.o
obj-$(CONFIG_DRM_PANEL_SHARP_LQ101R1SX01) += panel-sharp-lq101r1sx01.o
diff --git a/drivers/gpu/drm/panel/panel-himax-hx8369a.c b/drivers/gpu/drm/panel/panel-himax-hx8369a.c
new file mode 100644
index 0000000..6efce8e
--- /dev/null
+++ b/drivers/gpu/drm/panel/panel-himax-hx8369a.c
@@ -0,0 +1,573 @@
+/*
+ * Himax HX8369A panel driver.
+ *
+ * Copyright (C) 2011-2014 Freescale Semiconductor, Inc.
+ *
+ * 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.
+ *
+ * This driver is based on Samsung s6e8aa0 panel driver.
+ */
+
+#include <drm/drmP.h>
+#include <drm/drm_mipi_dsi.h>
+#include <drm/drm_panel.h>
+
+#include <linux/gpio/consumer.h>
+#include <linux/of_device.h>
+#include <linux/regulator/consumer.h>
+
+#include <video/mipi_display.h>
+#include <video/of_videomode.h>
+#include <video/videomode.h>
+
+#define WRDISBV 0x51
+#define WRCTRLD 0x53
+#define WRCABC 0x55
+#define SETPOWER 0xb1
+#define SETDISP 0xb2
+#define SETCYC 0xb4
+#define SETVCOM 0xb6
+#define SETEXTC 0xb9
+#define SETMIPI 0xba
+#define SETPANEL 0xcc
+#define SETGIP 0xd5
+#define SETGAMMA 0xe0
+
+#define HX8369A_MIN_BRIGHTNESS 0x00
+#define HX8369A_MAX_BRIGHTNESS 0xff
+
+enum hx8369a_mpu_interface {
+ HX8369A_DBI_TYPE_A_8BIT,
+ HX8369A_DBI_TYPE_A_9BIT,
+ HX8369A_DBI_TYPE_A_16BIT,
+ HX8369A_DBI_TYPE_A_18BIT,
+ HX8369A_DBI_TYPE_B_8BIT,
+ HX8369A_DBI_TYPE_B_9BIT,
+ HX8369A_DBI_TYPE_B_16BIT,
+ HX8369A_DBI_TYPE_B_18BIT,
+ HX8369A_DSI_CMD_MODE,
+ HX8369A_DBI_TYPE_B_24BIT,
+ HX8369A_DSI_VIDEO_MODE,
+ HX8369A_MDDI,
+ HX8369A_DPI_DBI_TYPE_C_OPT1,
+ HX8369A_DPI_DBI_TYPE_C_OPT2,
+ HX8369A_DPI_DBI_TYPE_C_OPT3
+};
+
+enum hx8369a_resolution {
+ HX8369A_RES_480_864,
+ HX8369A_RES_480_854,
+ HX8369A_RES_480_800,
+ HX8369A_RES_480_640,
+ HX8369A_RES_360_640,
+ HX8369A_RES_480_720,
+};
+
+struct hx8369a_panel_desc {
+ const struct drm_display_mode *mode;
+
+ /* ms */
+ unsigned int power_on_delay;
+ unsigned int reset_delay;
+
+ unsigned int dsi_lanes;
+};
+
+struct hx8369a {
+ struct device *dev;
+ struct drm_panel panel;
+
+ const struct hx8369a_panel_desc *pd;
+
+ struct regulator_bulk_data supplies[5];
+ struct gpio_desc *reset_gpio;
+ struct gpio_desc *bs_gpio[4];
+ u8 res_sel;
+};
+
+static inline struct hx8369a *panel_to_hx8369a(struct drm_panel *panel)
+{
+ return container_of(panel, struct hx8369a, panel);
+}
+
+static void hx8369a_dcs_write(struct hx8369a *ctx, const char *func,
+ const void *data, size_t len)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ ssize_t ret;
+
+ ret = mipi_dsi_dcs_write_buffer(dsi, data, len);
+ if (ret < 0)
+ dev_err(ctx->dev, "%s failed: %d\n", func, ret);
+}
+
+#define hx8369a_dcs_write_seq(ctx, seq...) \
+({ \
+ const u8 d[] = { seq }; \
+ BUILD_BUG_ON_MSG(ARRAY_SIZE(d) > 64, "DCS sequence too big for stack"); \
+ hx8369a_dcs_write(ctx, __func__, d, ARRAY_SIZE(d)); \
+})
+
+#define hx8369a_dcs_write_seq_static(ctx, seq...) \
+({ \
+ static const u8 d[] = { seq }; \
+ hx8369a_dcs_write(ctx, __func__, d, ARRAY_SIZE(d)); \
+})
+
+static void hx8369a_dsi_set_display_related_register(struct hx8369a *ctx)
+{
+ u8 sec_p = (ctx->res_sel << 4) | 0x03;
+
+ hx8369a_dcs_write_seq(ctx, SETDISP, 0x00, sec_p, 0x03,
+ 0x03, 0x70, 0x00, 0xff, 0x00, 0x00, 0x00, 0x00,
+ 0x03, 0x03, 0x00, 0x01);
+}
+
+static void hx8369a_dsi_set_display_waveform_cycle(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETCYC, 0x00, 0x1d, 0x5f, 0x0e, 0x06);
+}
+
+static void hx8369a_dsi_set_gip(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETGIP, 0x00, 0x04, 0x03, 0x00, 0x01,
+ 0x05, 0x1c, 0x70, 0x01, 0x03, 0x00, 0x00, 0x40,
+ 0x06, 0x51, 0x07, 0x00, 0x00, 0x41, 0x06, 0x50,
+ 0x07, 0x07, 0x0f, 0x04);
+}
+
+static void hx8369a_dsi_set_power(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETPOWER, 0x01, 0x00, 0x34, 0x06, 0x00,
+ 0x0f, 0x0f, 0x2a, 0x32, 0x3f, 0x3f, 0x07, 0x3a,
+ 0x01, 0xe6, 0xe6, 0xe6, 0xe6, 0xe6);
+}
+
+static void hx8369a_dsi_set_vcom_voltage(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETVCOM, 0x56, 0x56);
+}
+
+static void hx8369a_dsi_set_panel(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETPANEL, 0x02);
+}
+
+static void hx8369a_dsi_set_gamma_curve(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETGAMMA, 0x00, 0x1d, 0x22, 0x38, 0x3d,
+ 0x3f, 0x2e, 0x4a, 0x06, 0x0d, 0x0f, 0x13, 0x15,
+ 0x13, 0x16, 0x10, 0x19, 0x00, 0x1d, 0x22, 0x38,
+ 0x3d, 0x3f, 0x2e, 0x4a, 0x06, 0x0d, 0x0f, 0x13,
+ 0x15, 0x13, 0x16, 0x10, 0x19);
+}
+
+static void hx8369a_dsi_set_mipi(struct hx8369a *ctx)
+{
+ u8 eleventh_p = ctx->pd->dsi_lanes == 2 ? 0x11 : 0x10;
+
+ hx8369a_dcs_write_seq(ctx, SETMIPI, 0x00, 0xa0, 0xc6, 0x00, 0x0a, 0x00,
+ 0x10, 0x30, 0x6f, 0x02, eleventh_p, 0x18, 0x40);
+}
+
+static void hx8369a_dsi_set_interface_pixel_fomat(struct hx8369a *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ u8 format;
+ int ret;
+
+ if (dsi->format == MIPI_DSI_FMT_RGB888)
+ format = 0x77;
+ else if (dsi->format == MIPI_DSI_FMT_RGB565)
+ format = 0x55;
+ else
+ format = 0x66;
+
+ ret = mipi_dsi_dcs_set_pixel_format(dsi, format);
+ if (ret < 0)
+ dev_err(ctx->dev, "%s failed: %d\n", __func__, ret);
+}
+
+static void hx8369a_dsi_set_column_address(struct hx8369a *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ const struct drm_display_mode *mode = ctx->pd->mode;
+ int ret;
+
+ ret = mipi_dsi_dcs_set_column_address(dsi, 0, mode->hdisplay - 1);
+ if (ret < 0)
+ dev_err(ctx->dev, "%s failed: %d\n", __func__, ret);
+}
+
+static void hx8369a_dsi_set_page_address(struct hx8369a *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ const struct drm_display_mode *mode = ctx->pd->mode;
+ int ret;
+
+ ret = mipi_dsi_dcs_set_page_address(dsi, 0, mode->vdisplay - 1);
+ if (ret < 0)
+ dev_err(ctx->dev, "%s failed: %d\n", __func__, ret);
+}
+
+static void hx8369a_dsi_write_display_brightness(struct hx8369a *ctx, u8 brightness)
+{
+ hx8369a_dcs_write_seq(ctx, WRDISBV, brightness);
+}
+
+static void hx8369a_dsi_write_cabc(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, WRCABC, 0x01);
+}
+
+static void hx8369a_dsi_write_control_display(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, WRCTRLD, 0x24);
+}
+
+static void hx8369a_dsi_panel_init(struct hx8369a *ctx)
+{
+ hx8369a_dsi_set_display_related_register(ctx);
+ hx8369a_dsi_set_display_waveform_cycle(ctx);
+ hx8369a_dsi_set_gip(ctx);
+ hx8369a_dsi_set_power(ctx);
+ hx8369a_dsi_set_vcom_voltage(ctx);
+ hx8369a_dsi_set_panel(ctx);
+ hx8369a_dsi_set_gamma_curve(ctx);
+ hx8369a_dsi_set_mipi(ctx);
+ hx8369a_dsi_set_interface_pixel_fomat(ctx);
+ hx8369a_dsi_set_column_address(ctx);
+ hx8369a_dsi_set_page_address(ctx);
+ hx8369a_dsi_write_cabc(ctx);
+ hx8369a_dsi_write_control_display(ctx);
+}
+
+static void hx8369a_dsi_set_extension_command(struct hx8369a *ctx)
+{
+ hx8369a_dcs_write_seq_static(ctx, SETEXTC, 0xff, 0x83, 0x69);
+}
+
+static void hx8369a_dsi_set_maximum_return_packet_size(struct hx8369a *ctx,
+ u16 size)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ ret = mipi_dsi_set_maximum_return_packet_size(dsi, size);
+ if (ret < 0)
+ dev_err(ctx->dev,
+ "error %d setting maximum return packet size to %d\n",
+ ret, size);
+}
+
+static int hx8369a_dsi_set_sequence(struct hx8369a *ctx)
+{
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ hx8369a_dsi_set_extension_command(ctx);
+ hx8369a_dsi_set_maximum_return_packet_size(ctx, 4);
+ hx8369a_dsi_panel_init(ctx);
+
+ ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
+ if (ret < 0) {
+ dev_err(ctx->dev, "failed to exit sleep mode: %d\n", ret);
+ return ret;
+ }
+
+ ret = mipi_dsi_dcs_set_display_on(dsi);
+ if (ret < 0) {
+ dev_err(ctx->dev, "failed to set display on: %d\n", ret);
+ return ret;
+ }
+
+ /*
+ * It's necessary to wait 120msec after sending the Sleep Out
+ * command before Sleep In command can be sent, according to
+ * the HX8369A data sheet.
+ */
+ msleep(120);
+
+ return 0;
+}
+
+static int hx8369a_dsi_disable(struct drm_panel *panel)
+{
+ struct hx8369a *ctx = panel_to_hx8369a(panel);
+ hx8369a_dsi_write_display_brightness(ctx, HX8369A_MIN_BRIGHTNESS);
+ return 0;
+}
+
+static int hx8369a_dsi_unprepare(struct drm_panel *panel)
+{
+ struct hx8369a *ctx = panel_to_hx8369a(panel);
+ struct mipi_dsi_device *dsi = to_mipi_dsi_device(ctx->dev);
+ int ret;
+
+ ret = mipi_dsi_dcs_enter_sleep_mode(dsi);
+ if (ret < 0) {
+ dev_err(ctx->dev, "failed to enter sleep mode: %d\n", ret);
+ return ret;
+ }
+
+ ret = mipi_dsi_dcs_set_display_off(dsi);
+ if (ret < 0) {
+ dev_err(ctx->dev, "failed to set display off: %d\n", ret);
+ return ret;
+ }
+
+ /*
+ * This is to allow time for the supply voltages and clock
+ * circuits to stablize, according to the HX8369A data sheet.
+ */
+ msleep(5);
+
+ return ret;
+}
+
+static int hx8369a_dsi_prepare(struct drm_panel *panel)
+{
+ struct hx8369a *ctx = panel_to_hx8369a(panel);
+ return hx8369a_dsi_set_sequence(ctx);
+}
+
+static int hx8369a_dsi_enable(struct drm_panel *panel)
+{
+ struct hx8369a *ctx = panel_to_hx8369a(panel);
+ hx8369a_dsi_write_display_brightness(ctx, HX8369A_MAX_BRIGHTNESS);
+ return 0;
+}
+
+static int hx8369a_get_modes(struct drm_panel *panel)
+{
+ struct drm_connector *connector = panel->connector;
+ struct drm_device *drm = panel->drm;
+ struct hx8369a *ctx = panel_to_hx8369a(panel);
+ struct drm_display_mode *mode;
+ const struct drm_display_mode *m = ctx->pd->mode;
+
+ mode = drm_mode_duplicate(drm, m);
+ if (!mode) {
+ dev_err(drm->dev, "failed to add mode %ux%u@%u\n",
+ m->hdisplay, m->vdisplay, m->vrefresh);
+ return 0;
+ }
+
+ drm_mode_set_name(mode);
+ mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED;
+
+ connector->display_info.bpc = 8;
+ connector->display_info.width_mm = mode->width_mm;
+ connector->display_info.height_mm = mode->height_mm;
+
+ drm_mode_probed_add(connector, mode);
+
+ return 1;
+}
+
+static const struct drm_panel_funcs hx8369a_dsi_drm_funcs = {
+ .disable = hx8369a_dsi_disable,
+ .unprepare = hx8369a_dsi_unprepare,
+ .prepare = hx8369a_dsi_prepare,
+ .enable = hx8369a_dsi_enable,
+ .get_modes = hx8369a_get_modes,
+};
+
+static int hx8369a_power_on(struct hx8369a *ctx)
+{
+ int ret;
+
+ ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);
+ if (ret < 0)
+ return ret;
+
+ msleep(ctx->pd->power_on_delay);
+
+ gpiod_set_value(ctx->reset_gpio, 1);
+ usleep_range(50, 60);
+ gpiod_set_value(ctx->reset_gpio, 0);
+
+ msleep(ctx->pd->reset_delay);
+
+ return 0;
+}
+
+static int hx8369a_power_off(struct hx8369a *ctx)
+{
+ return regulator_bulk_disable(ARRAY_SIZE(ctx->supplies), ctx->supplies);;
+}
+
+static int hx8369a_vm_to_res_sel(struct hx8369a *ctx)
+{
+ const struct drm_display_mode *mode = ctx->pd->mode;
+
+ switch (mode->hdisplay) {
+ case 480:
+ switch (mode->vdisplay) {
+ case 864:
+ ctx->res_sel = HX8369A_RES_480_864;
+ break;
+ case 854:
+ ctx->res_sel = HX8369A_RES_480_854;
+ break;
+ case 800:
+ ctx->res_sel = HX8369A_RES_480_800;
+ break;
+ case 640:
+ ctx->res_sel = HX8369A_RES_480_640;
+ break;
+ case 720:
+ ctx->res_sel = HX8369A_RES_480_720;
+ break;
+ default:
+ break;
+ }
+ break;
+ case 360:
+ if (mode->vdisplay == 640)
+ ctx->res_sel = HX8369A_RES_360_640;
+ break;
+ default:
+ break;
+ }
+
+ return 0;
+}
+
+static const struct drm_display_mode truly_tft480800_16_e_mode = {
+ .clock = 26400,
+ .hdisplay = 480,
+ .hsync_start = 480 + 8,
+ .hsync_end = 480 + 8 + 8,
+ .htotal = 480 + 8 + 8 + 8,
+ .vdisplay = 800,
+ .vsync_start = 800 + 6,
+ .vsync_end = 800 + 6 + 6,
+ .vtotal = 800 + 6 + 6 + 6,
+ .vrefresh = 60,
+ .width_mm = 45,
+ .height_mm = 76,
+};
+
+static const struct hx8369a_panel_desc truly_tft480800_16_e_dsi = {
+ .mode = &truly_tft480800_16_e_mode,
+ .power_on_delay = 10,
+ .reset_delay = 10,
+ .dsi_lanes = 2,
+};
+
+static const struct of_device_id hx8369a_dsi_of_match[] = {
+ {
+ .compatible = "truly,tft480800-16-e-dsi",
+ .data = &truly_tft480800_16_e_dsi,
+ }, {
+ /* sentinel */
+ },
+};
+MODULE_DEVICE_TABLE(of, hx8369a_dsi_of_match);
+
+static int hx8369a_dsi_probe(struct mipi_dsi_device *dsi)
+{
+ struct device *dev = &dsi->dev;
+ const struct of_device_id *of_id =
+ of_match_device(hx8369a_dsi_of_match, dev);
+ struct hx8369a *ctx;
+ int ret, i;
+ char bs[4];
+
+ ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
+ if (!ctx)
+ return -ENOMEM;
+
+ ctx->dev = dev;
+
+ if (of_id) {
+ ctx->pd = of_id->data;
+ } else {
+ dev_err(dev, "cannot find compatible device\n");
+ return -ENODEV;
+ }
+
+ ret = hx8369a_vm_to_res_sel(ctx);
+ if (ret < 0)
+ return ret;
+
+ ctx->supplies[0].supply = "vdd1";
+ ctx->supplies[1].supply = "vdd2";
+ ctx->supplies[2].supply = "vdd3";
+ ctx->supplies[3].supply = "dsi-vcc";
+ ctx->supplies[4].supply = "vpp";
+ 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_LOW);
+ if (IS_ERR(ctx->reset_gpio)) {
+ dev_err(dev, "cannot get reset-gpios %ld\n",
+ PTR_ERR(ctx->reset_gpio));
+ return PTR_ERR(ctx->reset_gpio);
+ }
+
+ for (i = 0; i < 4; i++) {
+ snprintf(bs, sizeof(bs), "bs%d", i);
+ ctx->bs_gpio[i] = devm_gpiod_get(dev, bs, GPIOD_OUT_HIGH);
+
+ dev_dbg(dev, "bs%d-gpio is configured\n", i);
+ }
+
+ ret = hx8369a_power_on(ctx);
+ if (ret < 0) {
+ dev_err(dev, "cannot power on\n");
+ return ret;
+ }
+
+ drm_panel_init(&ctx->panel);
+ ctx->panel.dev = dev;
+ ctx->panel.funcs = &hx8369a_dsi_drm_funcs;
+
+ ret = drm_panel_add(&ctx->panel);
+ if (ret < 0)
+ return ret;
+
+ mipi_dsi_set_drvdata(dsi, ctx);
+
+ dsi->channel = 0;
+ dsi->lanes = ctx->pd->dsi_lanes;
+ dsi->format = MIPI_DSI_FMT_RGB888;
+ dsi->mode_flags = MIPI_DSI_MODE_VIDEO |
+ MIPI_DSI_MODE_VIDEO_BURST |
+ MIPI_DSI_MODE_VIDEO_SYNC_PULSE;
+ ret = mipi_dsi_attach(dsi);
+ if (ret < 0)
+ drm_panel_remove(&ctx->panel);
+
+ return ret;
+}
+
+static int hx8369a_dsi_remove(struct mipi_dsi_device *dsi)
+{
+ struct hx8369a *ctx = mipi_dsi_get_drvdata(dsi);
+
+ mipi_dsi_detach(dsi);
+ drm_panel_remove(&ctx->panel);
+ return hx8369a_power_off(ctx);
+}
+
+static struct mipi_dsi_driver hx8369a_dsi_driver = {
+ .probe = hx8369a_dsi_probe,
+ .remove = hx8369a_dsi_remove,
+ .driver = {
+ .name = "panel-hx8369a-dsi",
+ .of_match_table = hx8369a_dsi_of_match,
+ },
+};
+module_mipi_dsi_driver(hx8369a_dsi_driver);
+
+MODULE_DESCRIPTION("Himax HX8369A panel driver");
+MODULE_AUTHOR("Liu Ying <Ying.Liu@xxxxxxxxxxxxx>");
+MODULE_LICENSE("GPL v2");
--
2.1.0
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