Add panel_desc structure for auo_b133htn01 eDP panel.

Also, modify the panel_simple routines to support timing_parameter
delays if mentioned in the panel_desc structure.

Signed-off-by: Ajay Kumar <ajaykumar.rs at samsung.com>
---
 .../devicetree/bindings/panel/auo,b133htn01.txt    |    7 +++
 drivers/gpu/drm/panel/panel-simple.c               |   47 ++++++++++++++++++++
 2 files changed, 54 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/panel/auo,b133htn01.txt

diff --git a/Documentation/devicetree/bindings/panel/auo,b133htn01.txt 
b/Documentation/devicetree/bindings/panel/auo,b133htn01.txt
new file mode 100644
index 0000000..302226b
--- /dev/null
+++ b/Documentation/devicetree/bindings/panel/auo,b133htn01.txt
@@ -0,0 +1,7 @@
+AU Optronics Corporation 13.3" FHD (1920x1080) color TFT-LCD panel
+
+Required properties:
+- compatible: should be "auo,b133htn01"
+
+This binding is compatible with the simple-panel binding, which is specified
+in simple-panel.txt in this directory.
diff --git a/drivers/gpu/drm/panel/panel-simple.c 
b/drivers/gpu/drm/panel/panel-simple.c
index fb0cfe2..cbbb1b8 100644
--- a/drivers/gpu/drm/panel/panel-simple.c
+++ b/drivers/gpu/drm/panel/panel-simple.c
@@ -41,6 +41,13 @@ struct panel_desc {
                unsigned int width;
                unsigned int height;
        } size;
+
+       struct {
+               unsigned int prepare_stage_delay;
+               unsigned int enable_stage_delay;
+               unsigned int disable_stage_delay;
+               unsigned int unprepare_stage_delay;
+       } timing_parameter;
 };

 struct panel_simple {
@@ -105,6 +112,8 @@ static int panel_simple_unprepare(struct drm_panel *panel)
                gpiod_set_value_cansleep(p->enable_gpio, 0);

        regulator_disable(p->supply);
+       if (p->desc)
+               msleep(p->desc->timing_parameter.unprepare_stage_delay);

        p->panel_enabled = false;

@@ -123,6 +132,9 @@ static int panel_simple_disable(struct drm_panel *panel)
                backlight_update_status(p->backlight);
        }

+       if (p->desc)
+               msleep(p->desc->timing_parameter.disable_stage_delay);
+
        p->backlight_enabled = false;

        return 0;
@@ -142,6 +154,9 @@ static int panel_simple_prepare(struct drm_panel *panel)
                return err;
        }

+       if (p->desc)
+               msleep(p->desc->timing_parameter.prepare_stage_delay);
+
        if (p->enable_gpio)
                gpiod_set_value_cansleep(p->enable_gpio, 1);

@@ -157,6 +172,8 @@ static int panel_simple_enable(struct drm_panel *panel)
        if (p->backlight_enabled)
                return 0;

+       if (p->desc)
+               msleep(p->desc->timing_parameter.enable_stage_delay);
        if (p->backlight) {
                p->backlight->props.power = FB_BLANK_UNBLANK;
                backlight_update_status(p->backlight);
@@ -342,6 +359,33 @@ static const struct panel_desc auo_b133xtn01 = {
        },
 };

+static const struct drm_display_mode auo_b133htn01_mode = {
+       .clock = 150660,
+       .hdisplay = 1920,
+       .hsync_start = 1920 + 172,
+       .hsync_end = 1920 + 172 + 80,
+       .htotal = 1920 + 172 + 80 + 60,
+       .vdisplay = 1080,
+       .vsync_start = 1080 + 25,
+       .vsync_end = 1080 + 25 + 10,
+       .vtotal = 1080 + 25 + 10 + 10,
+       .vrefresh = 60,
+};
+
+static const struct panel_desc auo_b133htn01 = {
+       .modes = &auo_b133htn01_mode,
+       .num_modes = 1,
+       .size = {
+               .width = 293,
+               .height = 165,
+       },
+       .timing_parameter = {
+               .prepare_stage_delay = 105,
+               .enable_stage_delay = 20,
+               .prepare_stage_delay = 50,
+       },
+};
+
 static const struct drm_display_mode chunghwa_claa101wa01a_mode = {
        .clock = 72070,
        .hdisplay = 1366,
@@ -481,6 +525,9 @@ static const struct of_device_id platform_of_match[] = {
                .compatible = "auo,b101aw03",
                .data = &auo_b101aw03,
        }, {
+               .compatible = "auo,b133htn01",
+               .data = &auo_b133htn01,
+       }, {
                .compatible = "auo,b133xtn01",
                .data = &auo_b133xtn01,
        }, {
-- 
1.7.9.5

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