The controller chip of Feixin K101-IM2BA02 is going to be discontinued, so Feixin start to provide K101-IM2BYL02 panel as a replacement, which utilizes Ilitek ILI9881C controller.
Add support for K101-IM2BYL02 panel.
By the way, is there a way that can try both kind of panels in the same kernel/DTB combo? K101-IM2BYL02 has the same pinout with K101-IM2BA02, and PineTab schedule to switch to it w/o modifying the mainboard.
Icenowy Zheng (4): drm/panel: ilitek-ili9881c: prepare for adding support for extra panels dt-bindings: ili9881c: add compatible string for Feixin K101-IM2BYL02 drm/panel: ilitek-ili9881c: add support for Feixin K101-IM2BYL02 panel [DO NOT MERGE] arm64: allwinner: dts: a64: enable K101-IM2BYL02 panel for PineTab
.../display/panel/ilitek,ili9881c.yaml | 1 + .../boot/dts/allwinner/sun50i-a64-pinetab.dts | 10 + drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 273 ++++++++++++++++-- 3 files changed, 265 insertions(+), 19 deletions(-)
There're more panels with ILI9881C controller than the Bananapi one supported by this driver.
Extract the mode and init sequence part, to prepare the driver for adding new panels.
Signed-off-by: Icenowy Zheng icenowy@aosc.io --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 56 ++++++++++++------- 1 file changed, 37 insertions(+), 19 deletions(-)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 3ed8635a6fbdf..4f8e6865029f1 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -10,6 +10,7 @@ #include <linux/fb.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of_device.h>
#include <linux/gpio/consumer.h> #include <linux/regulator/consumer.h> @@ -20,14 +21,6 @@
#include <video/mipi_display.h>
-struct ili9881c { - struct drm_panel panel; - struct mipi_dsi_device *dsi; - - struct regulator *power; - struct gpio_desc *reset; -}; - enum ili9881c_op { ILI9881C_SWITCH_PAGE, ILI9881C_COMMAND, @@ -45,6 +38,21 @@ struct ili9881c_instr { } arg; };
+struct ili9881c_desc { + const struct ili9881c_instr *init; + const size_t init_length; + const struct drm_display_mode *mode; +}; + +struct ili9881c { + struct drm_panel panel; + struct mipi_dsi_device *dsi; + const struct ili9881c_desc *desc; + + struct regulator *power; + struct gpio_desc *reset; +}; + #define ILI9881C_SWITCH_PAGE_INSTR(_page) \ { \ .op = ILI9881C_SWITCH_PAGE, \ @@ -64,7 +72,7 @@ struct ili9881c_instr { }, \ }
-static const struct ili9881c_instr ili9881c_init[] = { +static const struct ili9881c_instr lhr050h41_init[] = { ILI9881C_SWITCH_PAGE_INSTR(3), ILI9881C_COMMAND_INSTR(0x01, 0x00), ILI9881C_COMMAND_INSTR(0x02, 0x00), @@ -311,8 +319,8 @@ static int ili9881c_prepare(struct drm_panel *panel) gpiod_set_value(ctx->reset, 0); msleep(20);
- for (i = 0; i < ARRAY_SIZE(ili9881c_init); i++) { - const struct ili9881c_instr *instr = &ili9881c_init[i]; + for (i = 0; i < ctx->desc->init_length; i++) { + const struct ili9881c_instr *instr = &ctx->desc->init[i];
if (instr->op == ILI9881C_SWITCH_PAGE) ret = ili9881c_switch_page(ctx, instr->arg.page); @@ -368,7 +376,7 @@ static int ili9881c_unprepare(struct drm_panel *panel) return 0; }
-static const struct drm_display_mode bananapi_default_mode = { +static const struct drm_display_mode lhr050h41_default_mode = { .clock = 62000,
.hdisplay = 720, @@ -380,6 +388,9 @@ static const struct drm_display_mode bananapi_default_mode = { .vsync_start = 1280 + 10, .vsync_end = 1280 + 10 + 10, .vtotal = 1280 + 10 + 10 + 20, + + .width_mm = 62, + .height_mm = 110, };
static int ili9881c_get_modes(struct drm_panel *panel, @@ -388,12 +399,12 @@ static int ili9881c_get_modes(struct drm_panel *panel, struct ili9881c *ctx = panel_to_ili9881c(panel); struct drm_display_mode *mode;
- mode = drm_mode_duplicate(connector->dev, &bananapi_default_mode); + mode = drm_mode_duplicate(connector->dev, ctx->desc->mode); if (!mode) { dev_err(&ctx->dsi->dev, "failed to add mode %ux%ux@%u\n", - bananapi_default_mode.hdisplay, - bananapi_default_mode.vdisplay, - drm_mode_vrefresh(&bananapi_default_mode)); + ctx->desc->mode->hdisplay, + ctx->desc->mode->vdisplay, + drm_mode_vrefresh(ctx->desc->mode)); return -ENOMEM; }
@@ -402,8 +413,8 @@ static int ili9881c_get_modes(struct drm_panel *panel, mode->type = DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED; drm_mode_probed_add(connector, mode);
- connector->display_info.width_mm = 62; - connector->display_info.height_mm = 110; + connector->display_info.width_mm = mode->width_mm; + connector->display_info.height_mm = mode->height_mm;
return 1; } @@ -426,6 +437,7 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device *dsi) return -ENOMEM; mipi_dsi_set_drvdata(dsi, ctx); ctx->dsi = dsi; + ctx->desc = of_device_get_match_data(&dsi->dev);
drm_panel_init(&ctx->panel, &dsi->dev, &ili9881c_funcs, DRM_MODE_CONNECTOR_DSI); @@ -467,8 +479,14 @@ static int ili9881c_dsi_remove(struct mipi_dsi_device *dsi) return 0; }
+static const struct ili9881c_desc lhr050h41_desc = { + .init = lhr050h41_init, + .init_length = ARRAY_SIZE(lhr050h41_init), + .mode = &lhr050h41_default_mode, +}; + static const struct of_device_id ili9881c_of_match[] = { - { .compatible = "bananapi,lhr050h41" }, + { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc }, { } }; MODULE_DEVICE_TABLE(of, ili9881c_of_match);
Feixin K101-IM2BYL02 is a drop-in replacement of K101-IM2BA02 panel (which is already supported by panel-feixin-k101-im2ba02 driver) with the same pinout. It utilizes an Ilitek ILI9881C controller chip, so its compatible string should be added to ilitek,ili9881c file.
Add the compatible string for it.
Signed-off-by: Icenowy Zheng icenowy@aosc.io --- .../devicetree/bindings/display/panel/ilitek,ili9881c.yaml | 1 + 1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml index a39332276bab2..c60b3bd74337e 100644 --- a/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml +++ b/Documentation/devicetree/bindings/display/panel/ilitek,ili9881c.yaml @@ -14,6 +14,7 @@ properties: items: - enum: - bananapi,lhr050h41 + - feixin,k101-im2byl02
- const: ilitek,ili9881c
On Mon, 20 Jul 2020 01:10:04 +0800, Icenowy Zheng wrote:
Feixin K101-IM2BYL02 is a drop-in replacement of K101-IM2BA02 panel (which is already supported by panel-feixin-k101-im2ba02 driver) with the same pinout. It utilizes an Ilitek ILI9881C controller chip, so its compatible string should be added to ilitek,ili9881c file.
Add the compatible string for it.
Signed-off-by: Icenowy Zheng icenowy@aosc.io
.../devicetree/bindings/display/panel/ilitek,ili9881c.yaml | 1 + 1 file changed, 1 insertion(+)
Acked-by: Rob Herring robh@kernel.org
Feixin K101-IM2BYL02 is a new panel by Feixin designed as a replacement to their K101-IM2BA02 panel. This panel utilizes the Ilitek ILI9881C controller.
Add this panel's initialzation sequence and timing to ILI9881C driver.
Signed-off-by: Icenowy Zheng icenowy@aosc.io --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 217 ++++++++++++++++++ 1 file changed, 217 insertions(+)
diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c index 4f8e6865029f1..638108c519f02 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -260,6 +260,199 @@ static const struct ili9881c_instr lhr050h41_init[] = { ILI9881C_COMMAND_INSTR(0xD3, 0x3F), };
+static const struct ili9881c_instr k101_im2byl02_init[] = { + ILI9881C_SWITCH_PAGE_INSTR(3), + ILI9881C_COMMAND_INSTR(0x01, 0x00), + ILI9881C_COMMAND_INSTR(0x02, 0x00), + ILI9881C_COMMAND_INSTR(0x03, 0x73), + ILI9881C_COMMAND_INSTR(0x04, 0x00), + ILI9881C_COMMAND_INSTR(0x05, 0x00), + ILI9881C_COMMAND_INSTR(0x06, 0x08), + ILI9881C_COMMAND_INSTR(0x07, 0x00), + ILI9881C_COMMAND_INSTR(0x08, 0x00), + ILI9881C_COMMAND_INSTR(0x09, 0x00), + ILI9881C_COMMAND_INSTR(0x0A, 0x01), + ILI9881C_COMMAND_INSTR(0x0B, 0x01), + ILI9881C_COMMAND_INSTR(0x0C, 0x00), + ILI9881C_COMMAND_INSTR(0x0D, 0x01), + ILI9881C_COMMAND_INSTR(0x0E, 0x01), + ILI9881C_COMMAND_INSTR(0x0F, 0x00), + ILI9881C_COMMAND_INSTR(0x10, 0x00), + ILI9881C_COMMAND_INSTR(0x11, 0x00), + ILI9881C_COMMAND_INSTR(0x12, 0x00), + ILI9881C_COMMAND_INSTR(0x13, 0x00), + ILI9881C_COMMAND_INSTR(0x14, 0x00), + ILI9881C_COMMAND_INSTR(0x15, 0x00), + ILI9881C_COMMAND_INSTR(0x16, 0x00), + ILI9881C_COMMAND_INSTR(0x17, 0x00), + ILI9881C_COMMAND_INSTR(0x18, 0x00), + ILI9881C_COMMAND_INSTR(0x19, 0x00), + ILI9881C_COMMAND_INSTR(0x1A, 0x00), + ILI9881C_COMMAND_INSTR(0x1B, 0x00), + ILI9881C_COMMAND_INSTR(0x1C, 0x00), + ILI9881C_COMMAND_INSTR(0x1D, 0x00), + ILI9881C_COMMAND_INSTR(0x1E, 0x40), + ILI9881C_COMMAND_INSTR(0x1F, 0xC0), + ILI9881C_COMMAND_INSTR(0x20, 0x06), + ILI9881C_COMMAND_INSTR(0x21, 0x01), + ILI9881C_COMMAND_INSTR(0x22, 0x06), + ILI9881C_COMMAND_INSTR(0x23, 0x01), + ILI9881C_COMMAND_INSTR(0x24, 0x88), + ILI9881C_COMMAND_INSTR(0x25, 0x88), + ILI9881C_COMMAND_INSTR(0x26, 0x00), + ILI9881C_COMMAND_INSTR(0x27, 0x00), + ILI9881C_COMMAND_INSTR(0x28, 0x3B), + ILI9881C_COMMAND_INSTR(0x29, 0x03), + ILI9881C_COMMAND_INSTR(0x2A, 0x00), + ILI9881C_COMMAND_INSTR(0x2B, 0x00), + ILI9881C_COMMAND_INSTR(0x2C, 0x00), + ILI9881C_COMMAND_INSTR(0x2D, 0x00), + ILI9881C_COMMAND_INSTR(0x2E, 0x00), + ILI9881C_COMMAND_INSTR(0x2F, 0x00), + ILI9881C_COMMAND_INSTR(0x30, 0x00), + ILI9881C_COMMAND_INSTR(0x31, 0x00), + ILI9881C_COMMAND_INSTR(0x32, 0x00), + ILI9881C_COMMAND_INSTR(0x33, 0x00), + ILI9881C_COMMAND_INSTR(0x34, 0x00), /* GPWR1/2 non overlap time 2.62us */ + ILI9881C_COMMAND_INSTR(0x35, 0x00), + ILI9881C_COMMAND_INSTR(0x36, 0x00), + ILI9881C_COMMAND_INSTR(0x37, 0x00), + ILI9881C_COMMAND_INSTR(0x38, 0x00), + ILI9881C_COMMAND_INSTR(0x39, 0x00), + ILI9881C_COMMAND_INSTR(0x3A, 0x00), + ILI9881C_COMMAND_INSTR(0x3B, 0x00), + ILI9881C_COMMAND_INSTR(0x3C, 0x00), + ILI9881C_COMMAND_INSTR(0x3D, 0x00), + ILI9881C_COMMAND_INSTR(0x3E, 0x00), + ILI9881C_COMMAND_INSTR(0x3F, 0x00), + ILI9881C_COMMAND_INSTR(0x40, 0x00), + ILI9881C_COMMAND_INSTR(0x41, 0x00), + ILI9881C_COMMAND_INSTR(0x42, 0x00), + ILI9881C_COMMAND_INSTR(0x43, 0x00), + ILI9881C_COMMAND_INSTR(0x44, 0x00), + ILI9881C_COMMAND_INSTR(0x50, 0x01), + ILI9881C_COMMAND_INSTR(0x51, 0x23), + ILI9881C_COMMAND_INSTR(0x52, 0x45), + ILI9881C_COMMAND_INSTR(0x53, 0x67), + ILI9881C_COMMAND_INSTR(0x54, 0x89), + ILI9881C_COMMAND_INSTR(0x55, 0xAB), + ILI9881C_COMMAND_INSTR(0x56, 0x01), + ILI9881C_COMMAND_INSTR(0x57, 0x23), + ILI9881C_COMMAND_INSTR(0x58, 0x45), + ILI9881C_COMMAND_INSTR(0x59, 0x67), + ILI9881C_COMMAND_INSTR(0x5A, 0x89), + ILI9881C_COMMAND_INSTR(0x5B, 0xAB), + ILI9881C_COMMAND_INSTR(0x5C, 0xCD), + ILI9881C_COMMAND_INSTR(0x5D, 0xEF), + ILI9881C_COMMAND_INSTR(0x5E, 0x00), + ILI9881C_COMMAND_INSTR(0x5F, 0x01), + ILI9881C_COMMAND_INSTR(0x60, 0x01), + ILI9881C_COMMAND_INSTR(0x61, 0x06), + ILI9881C_COMMAND_INSTR(0x62, 0x06), + ILI9881C_COMMAND_INSTR(0x63, 0x07), + ILI9881C_COMMAND_INSTR(0x64, 0x07), + ILI9881C_COMMAND_INSTR(0x65, 0x00), + ILI9881C_COMMAND_INSTR(0x66, 0x00), + ILI9881C_COMMAND_INSTR(0x67, 0x02), + ILI9881C_COMMAND_INSTR(0x68, 0x02), + ILI9881C_COMMAND_INSTR(0x69, 0x05), + ILI9881C_COMMAND_INSTR(0x6A, 0x05), + ILI9881C_COMMAND_INSTR(0x6B, 0x02), + ILI9881C_COMMAND_INSTR(0x6C, 0x0D), + ILI9881C_COMMAND_INSTR(0x6D, 0x0D), + ILI9881C_COMMAND_INSTR(0x6E, 0x0C), + ILI9881C_COMMAND_INSTR(0x6F, 0x0C), + ILI9881C_COMMAND_INSTR(0x70, 0x0F), + ILI9881C_COMMAND_INSTR(0x71, 0x0F), + ILI9881C_COMMAND_INSTR(0x72, 0x0E), + ILI9881C_COMMAND_INSTR(0x73, 0x0E), + ILI9881C_COMMAND_INSTR(0x74, 0x02), + ILI9881C_COMMAND_INSTR(0x75, 0x01), + ILI9881C_COMMAND_INSTR(0x76, 0x01), + ILI9881C_COMMAND_INSTR(0x77, 0x06), + ILI9881C_COMMAND_INSTR(0x78, 0x06), + ILI9881C_COMMAND_INSTR(0x79, 0x07), + ILI9881C_COMMAND_INSTR(0x7A, 0x07), + ILI9881C_COMMAND_INSTR(0x7B, 0x00), + ILI9881C_COMMAND_INSTR(0x7C, 0x00), + ILI9881C_COMMAND_INSTR(0x7D, 0x02), + ILI9881C_COMMAND_INSTR(0x7E, 0x02), + ILI9881C_COMMAND_INSTR(0x7F, 0x05), + ILI9881C_COMMAND_INSTR(0x80, 0x05), + ILI9881C_COMMAND_INSTR(0x81, 0x02), + ILI9881C_COMMAND_INSTR(0x82, 0x0D), + ILI9881C_COMMAND_INSTR(0x83, 0x0D), + ILI9881C_COMMAND_INSTR(0x84, 0x0C), + ILI9881C_COMMAND_INSTR(0x85, 0x0C), + ILI9881C_COMMAND_INSTR(0x86, 0x0F), + ILI9881C_COMMAND_INSTR(0x87, 0x0F), + ILI9881C_COMMAND_INSTR(0x88, 0x0E), + ILI9881C_COMMAND_INSTR(0x89, 0x0E), + ILI9881C_COMMAND_INSTR(0x8A, 0x02), + ILI9881C_SWITCH_PAGE_INSTR(4), + ILI9881C_COMMAND_INSTR(0x3B, 0xC0), /* ILI4003D sel */ + ILI9881C_COMMAND_INSTR(0x6C, 0x15), /* Set VCORE voltage = 1.5V */ + ILI9881C_COMMAND_INSTR(0x6E, 0x2A), /* di_pwr_reg=0 for power mode 2A, VGH clamp 18V */ + ILI9881C_COMMAND_INSTR(0x6F, 0x33), /* pumping ratio VGH=5x VGL=-3x */ + ILI9881C_COMMAND_INSTR(0x8D, 0x1B), /* VGL clamp -10V */ + ILI9881C_COMMAND_INSTR(0x87, 0xBA), /* ESD */ + ILI9881C_COMMAND_INSTR(0x3A, 0x24), /* POWER SAVING */ + ILI9881C_COMMAND_INSTR(0x26, 0x76), + ILI9881C_COMMAND_INSTR(0xB2, 0xD1), + ILI9881C_SWITCH_PAGE_INSTR(1), + ILI9881C_COMMAND_INSTR(0x22, 0x0A), /* BGR, SS */ + ILI9881C_COMMAND_INSTR(0x31, 0x00), /* Zigzag type3 inversion */ + ILI9881C_COMMAND_INSTR(0x40, 0x53), /* ILI4003D sel */ + ILI9881C_COMMAND_INSTR(0x43, 0x66), + ILI9881C_COMMAND_INSTR(0x53, 0x4C), + ILI9881C_COMMAND_INSTR(0x50, 0x87), + ILI9881C_COMMAND_INSTR(0x51, 0x82), + ILI9881C_COMMAND_INSTR(0x60, 0x15), + ILI9881C_COMMAND_INSTR(0x61, 0x01), + ILI9881C_COMMAND_INSTR(0x62, 0x0C), + ILI9881C_COMMAND_INSTR(0x63, 0x00), + ILI9881C_COMMAND_INSTR(0xA0, 0x00), + ILI9881C_COMMAND_INSTR(0xA1, 0x13), /* VP251 */ + ILI9881C_COMMAND_INSTR(0xA2, 0x23), /* VP247 */ + ILI9881C_COMMAND_INSTR(0xA3, 0x14), /* VP243 */ + ILI9881C_COMMAND_INSTR(0xA4, 0x16), /* VP239 */ + ILI9881C_COMMAND_INSTR(0xA5, 0x29), /* VP231 */ + ILI9881C_COMMAND_INSTR(0xA6, 0x1E), /* VP219 */ + ILI9881C_COMMAND_INSTR(0xA7, 0x1D), /* VP203 */ + ILI9881C_COMMAND_INSTR(0xA8, 0x86), /* VP175 */ + ILI9881C_COMMAND_INSTR(0xA9, 0x1E), /* VP144 */ + ILI9881C_COMMAND_INSTR(0xAA, 0x29), /* VP111 */ + ILI9881C_COMMAND_INSTR(0xAB, 0x74), /* VP80 */ + ILI9881C_COMMAND_INSTR(0xAC, 0x19), /* VP52 */ + ILI9881C_COMMAND_INSTR(0xAD, 0x17), /* VP36 */ + ILI9881C_COMMAND_INSTR(0xAE, 0x4B), /* VP24 */ + ILI9881C_COMMAND_INSTR(0xAF, 0x20), /* VP16 */ + ILI9881C_COMMAND_INSTR(0xB0, 0x26), /* VP12 */ + ILI9881C_COMMAND_INSTR(0xB1, 0x4C), /* VP8 */ + ILI9881C_COMMAND_INSTR(0xB2, 0x5D), /* VP4 */ + ILI9881C_COMMAND_INSTR(0xB3, 0x3F), /* VP0 */ + ILI9881C_COMMAND_INSTR(0xC0, 0x00), /* VN255 GAMMA N */ + ILI9881C_COMMAND_INSTR(0xC1, 0x13), /* VN251 */ + ILI9881C_COMMAND_INSTR(0xC2, 0x23), /* VN247 */ + ILI9881C_COMMAND_INSTR(0xC3, 0x14), /* VN243 */ + ILI9881C_COMMAND_INSTR(0xC4, 0x16), /* VN239 */ + ILI9881C_COMMAND_INSTR(0xC5, 0x29), /* VN231 */ + ILI9881C_COMMAND_INSTR(0xC6, 0x1E), /* VN219 */ + ILI9881C_COMMAND_INSTR(0xC7, 0x1D), /* VN203 */ + ILI9881C_COMMAND_INSTR(0xC8, 0x86), /* VN175 */ + ILI9881C_COMMAND_INSTR(0xC9, 0x1E), /* VN144 */ + ILI9881C_COMMAND_INSTR(0xCA, 0x29), /* VN111 */ + ILI9881C_COMMAND_INSTR(0xCB, 0x74), /* VN80 */ + ILI9881C_COMMAND_INSTR(0xCC, 0x19), /* VN52 */ + ILI9881C_COMMAND_INSTR(0xCD, 0x17), /* VN36 */ + ILI9881C_COMMAND_INSTR(0xCE, 0x4B), /* VN24 */ + ILI9881C_COMMAND_INSTR(0xCF, 0x20), /* VN16 */ + ILI9881C_COMMAND_INSTR(0xD0, 0x26), /* VN12 */ + ILI9881C_COMMAND_INSTR(0xD1, 0x4C), /* VN8 */ + ILI9881C_COMMAND_INSTR(0xD2, 0x5D), /* VN4 */ + ILI9881C_COMMAND_INSTR(0xD3, 0x3F), /* VN0 */ +}; + static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel) { return container_of(panel, struct ili9881c, panel); @@ -393,6 +586,23 @@ static const struct drm_display_mode lhr050h41_default_mode = { .height_mm = 110, };
+static const struct drm_display_mode k101_im2byl02_default_mode = { + .clock = 69700, + + .hdisplay = 800, + .hsync_start = 800 + 6, + .hsync_end = 800 + 6 + 15, + .htotal = 800 + 6 + 15 + 16, + + .vdisplay = 1280, + .vsync_start = 1280 + 8, + .vsync_end = 1280 + 8 + 48, + .vtotal = 1280 + 8 + 48 + 52, + + .width_mm = 135, + .height_mm = 217, +}; + static int ili9881c_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -485,8 +695,15 @@ static const struct ili9881c_desc lhr050h41_desc = { .mode = &lhr050h41_default_mode, };
+static const struct ili9881c_desc k101_im2byl02_desc = { + .init = k101_im2byl02_init, + .init_length = ARRAY_SIZE(k101_im2byl02_init), + .mode = &k101_im2byl02_default_mode, +}; + static const struct of_device_id ili9881c_of_match[] = { { .compatible = "bananapi,lhr050h41", .data = &lhr050h41_desc }, + { .compatible = "feixin,k101-im2byl02", .data = &k101_im2byl02_desc }, { } }; MODULE_DEVICE_TABLE(of, ili9881c_of_match);
Newer PineTab may switch to K101-IM2BYL02.
Signed-off-by: Icenowy Zheng icenowy@aosc.io --- arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts | 10 ++++++++++ 1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts index dc4ab6b434f97..15c4f5b5b17a7 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinetab.dts @@ -152,6 +152,7 @@ &dsi { vcc-dsi-supply = <®_dldo1>; status = "okay";
+#if 0 panel@0 { compatible = "feixin,k101-im2ba02"; reg = <0>; @@ -161,6 +162,15 @@ panel@0 { reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* PD24 */ backlight = <&backlight>; }; +#endif + + panel@0 { + compatible = "feixin,k101-im2byl02"; + reg = <0>; + power-supply = <®_dc1sw>; + reset-gpios = <&pio 3 24 GPIO_ACTIVE_LOW>; /* PD24 */ + backlight = <&backlight>; + }; };
&ehci0 {
Hi Icenowy
On Mon, Jul 20, 2020 at 01:04:06AM +0800, Icenowy Zheng wrote:
The controller chip of Feixin K101-IM2BA02 is going to be discontinued, so Feixin start to provide K101-IM2BYL02 panel as a replacement, which utilizes Ilitek ILI9881C controller.
Add support for K101-IM2BYL02 panel.
By the way, is there a way that can try both kind of panels in the same kernel/DTB combo? K101-IM2BYL02 has the same pinout with K101-IM2BA02, and PineTab schedule to switch to it w/o modifying the mainboard.
Icenowy Zheng (4): drm/panel: ilitek-ili9881c: prepare for adding support for extra panels dt-bindings: ili9881c: add compatible string for Feixin K101-IM2BYL02 drm/panel: ilitek-ili9881c: add support for Feixin K101-IM2BYL02 panel
Thanks, applied the above patches to drm-misc-next.
Sam
[DO NOT MERGE] arm64: allwinner: dts: a64: enable K101-IM2BYL02 panel for PineTab
.../display/panel/ilitek,ili9881c.yaml | 1 + .../boot/dts/allwinner/sun50i-a64-pinetab.dts | 10 + drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 273 ++++++++++++++++-- 3 files changed, 265 insertions(+), 19 deletions(-)
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Sam Ravnborg