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It requires additional voltage regulator, iovcc. Signed-off-by: Dmitry Baryshkov --- drivers/gpu/drm/panel/panel-ilitek-ili9881c.c | 251 ++++++++++++++++++++++= +++- 1 file changed, 249 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c b/drivers/gpu/dr= m/panel/panel-ilitek-ili9881c.c index 947b47841b01..0652cdb57d11 100644 --- a/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c +++ b/drivers/gpu/drm/panel/panel-ilitek-ili9881c.c @@ -52,6 +52,7 @@ struct ili9881c { const struct ili9881c_desc *desc; =20 struct regulator *power; + struct regulator *iovcc; struct gpio_desc *reset; =20 enum drm_panel_orientation orientation; @@ -1997,6 +1998,205 @@ static const struct ili9881c_instr bsd1218_a101kl68= _init[] =3D { ILI9881C_COMMAND_INSTR(0xd3, 0x3f), }; =20 +static const struct ili9881c_instr waveshare_7inch_a_init[] =3D { + 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, 0x0a), + ILI9881C_COMMAND_INSTR(0x07, 0x00), + ILI9881C_COMMAND_INSTR(0x08, 0x00), + ILI9881C_COMMAND_INSTR(0x09, 0x61), + ILI9881C_COMMAND_INSTR(0x0a, 0x00), + ILI9881C_COMMAND_INSTR(0x0b, 0x00), + ILI9881C_COMMAND_INSTR(0x0c, 0x01), + ILI9881C_COMMAND_INSTR(0x0d, 0x00), + ILI9881C_COMMAND_INSTR(0x0e, 0x00), + ILI9881C_COMMAND_INSTR(0x0f, 0x61), + ILI9881C_COMMAND_INSTR(0x10, 0x61), + 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, 0x80), + ILI9881C_COMMAND_INSTR(0x20, 0x06), + ILI9881C_COMMAND_INSTR(0x21, 0x01), + ILI9881C_COMMAND_INSTR(0x22, 0x00), + ILI9881C_COMMAND_INSTR(0x23, 0x00), + ILI9881C_COMMAND_INSTR(0x24, 0x00), + ILI9881C_COMMAND_INSTR(0x25, 0x00), + ILI9881C_COMMAND_INSTR(0x26, 0x00), + ILI9881C_COMMAND_INSTR(0x27, 0x00), + ILI9881C_COMMAND_INSTR(0x28, 0x33), + 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, 0x04), + ILI9881C_COMMAND_INSTR(0x35, 0x00), + ILI9881C_COMMAND_INSTR(0x36, 0x00), + ILI9881C_COMMAND_INSTR(0x37, 0x00), + ILI9881C_COMMAND_INSTR(0x38, 0x3c), + 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, 0x10), + ILI9881C_COMMAND_INSTR(0x51, 0x32), + ILI9881C_COMMAND_INSTR(0x52, 0x54), + ILI9881C_COMMAND_INSTR(0x53, 0x76), + ILI9881C_COMMAND_INSTR(0x54, 0x98), + ILI9881C_COMMAND_INSTR(0x55, 0xba), + ILI9881C_COMMAND_INSTR(0x56, 0x10), + ILI9881C_COMMAND_INSTR(0x57, 0x32), + ILI9881C_COMMAND_INSTR(0x58, 0x54), + ILI9881C_COMMAND_INSTR(0x59, 0x76), + ILI9881C_COMMAND_INSTR(0x5a, 0x98), + ILI9881C_COMMAND_INSTR(0x5b, 0xba), + ILI9881C_COMMAND_INSTR(0x5c, 0xdc), + ILI9881C_COMMAND_INSTR(0x5d, 0xfe), + ILI9881C_COMMAND_INSTR(0x5e, 0x00), + ILI9881C_COMMAND_INSTR(0x5f, 0x0e), + ILI9881C_COMMAND_INSTR(0x60, 0x0f), + ILI9881C_COMMAND_INSTR(0x61, 0x0c), + ILI9881C_COMMAND_INSTR(0x62, 0x0d), + ILI9881C_COMMAND_INSTR(0x63, 0x06), + ILI9881C_COMMAND_INSTR(0x64, 0x07), + ILI9881C_COMMAND_INSTR(0x65, 0x02), + ILI9881C_COMMAND_INSTR(0x66, 0x02), + ILI9881C_COMMAND_INSTR(0x67, 0x02), + ILI9881C_COMMAND_INSTR(0x68, 0x02), + ILI9881C_COMMAND_INSTR(0x69, 0x01), + ILI9881C_COMMAND_INSTR(0x6a, 0x00), + ILI9881C_COMMAND_INSTR(0x6b, 0x02), + ILI9881C_COMMAND_INSTR(0x6c, 0x15), + ILI9881C_COMMAND_INSTR(0x6d, 0x14), + ILI9881C_COMMAND_INSTR(0x6e, 0x02), + ILI9881C_COMMAND_INSTR(0x6f, 0x02), + ILI9881C_COMMAND_INSTR(0x70, 0x02), + ILI9881C_COMMAND_INSTR(0x71, 0x02), + ILI9881C_COMMAND_INSTR(0x72, 0x02), + ILI9881C_COMMAND_INSTR(0x73, 0x02), + ILI9881C_COMMAND_INSTR(0x74, 0x02), + ILI9881C_COMMAND_INSTR(0x75, 0x0e), + ILI9881C_COMMAND_INSTR(0x76, 0x0f), + ILI9881C_COMMAND_INSTR(0x77, 0x0c), + ILI9881C_COMMAND_INSTR(0x78, 0x0d), + ILI9881C_COMMAND_INSTR(0x79, 0x06), + ILI9881C_COMMAND_INSTR(0x7a, 0x07), + ILI9881C_COMMAND_INSTR(0x7b, 0x02), + ILI9881C_COMMAND_INSTR(0x7c, 0x02), + ILI9881C_COMMAND_INSTR(0x7d, 0x02), + ILI9881C_COMMAND_INSTR(0x7e, 0x02), + ILI9881C_COMMAND_INSTR(0x7f, 0x01), + ILI9881C_COMMAND_INSTR(0x80, 0x00), + ILI9881C_COMMAND_INSTR(0x81, 0x02), + ILI9881C_COMMAND_INSTR(0x82, 0x14), + ILI9881C_COMMAND_INSTR(0x83, 0x15), + ILI9881C_COMMAND_INSTR(0x84, 0x02), + ILI9881C_COMMAND_INSTR(0x85, 0x02), + ILI9881C_COMMAND_INSTR(0x86, 0x02), + ILI9881C_COMMAND_INSTR(0x87, 0x02), + ILI9881C_COMMAND_INSTR(0x88, 0x02), + ILI9881C_COMMAND_INSTR(0x89, 0x02), + ILI9881C_COMMAND_INSTR(0x8a, 0x02), + + ILI9881C_SWITCH_PAGE_INSTR(4), + ILI9881C_COMMAND_INSTR(0x38, 0x01), + ILI9881C_COMMAND_INSTR(0x39, 0x00), + ILI9881C_COMMAND_INSTR(0x6c, 0x15), + ILI9881C_COMMAND_INSTR(0x6e, 0x2a), + ILI9881C_COMMAND_INSTR(0x6f, 0x33), + ILI9881C_COMMAND_INSTR(0x3a, 0x94), + ILI9881C_COMMAND_INSTR(0x8d, 0x14), + ILI9881C_COMMAND_INSTR(0x87, 0xba), + ILI9881C_COMMAND_INSTR(0x26, 0x76), + ILI9881C_COMMAND_INSTR(0xb2, 0xd1), + ILI9881C_COMMAND_INSTR(0xb5, 0x06), + ILI9881C_COMMAND_INSTR(0x3b, 0x98), + + ILI9881C_SWITCH_PAGE_INSTR(1), + ILI9881C_COMMAND_INSTR(0x22, 0x0a), + ILI9881C_COMMAND_INSTR(0x31, 0x00), + ILI9881C_COMMAND_INSTR(0x53, 0x71), + ILI9881C_COMMAND_INSTR(0x55, 0x8f), + ILI9881C_COMMAND_INSTR(0x40, 0x33), + ILI9881C_COMMAND_INSTR(0x50, 0x96), + ILI9881C_COMMAND_INSTR(0x51, 0x96), + ILI9881C_COMMAND_INSTR(0x60, 0x23), + ILI9881C_COMMAND_INSTR(0xa0, 0x08), + ILI9881C_COMMAND_INSTR(0xa1, 0x1d), + ILI9881C_COMMAND_INSTR(0xa2, 0x2a), + ILI9881C_COMMAND_INSTR(0xa3, 0x10), + ILI9881C_COMMAND_INSTR(0xa4, 0x15), + ILI9881C_COMMAND_INSTR(0xa5, 0x28), + ILI9881C_COMMAND_INSTR(0xa6, 0x1c), + ILI9881C_COMMAND_INSTR(0xa7, 0x1d), + ILI9881C_COMMAND_INSTR(0xa8, 0x7e), + ILI9881C_COMMAND_INSTR(0xa9, 0x1d), + ILI9881C_COMMAND_INSTR(0xaa, 0x29), + ILI9881C_COMMAND_INSTR(0xab, 0x6b), + ILI9881C_COMMAND_INSTR(0xac, 0x1a), + ILI9881C_COMMAND_INSTR(0xad, 0x18), + ILI9881C_COMMAND_INSTR(0xae, 0x4b), + ILI9881C_COMMAND_INSTR(0xaf, 0x20), + ILI9881C_COMMAND_INSTR(0xb0, 0x27), + ILI9881C_COMMAND_INSTR(0xb1, 0x50), + ILI9881C_COMMAND_INSTR(0xb2, 0x64), + ILI9881C_COMMAND_INSTR(0xb3, 0x39), + ILI9881C_COMMAND_INSTR(0xc0, 0x08), + ILI9881C_COMMAND_INSTR(0xc1, 0x1d), + ILI9881C_COMMAND_INSTR(0xc2, 0x2a), + ILI9881C_COMMAND_INSTR(0xc3, 0x10), + ILI9881C_COMMAND_INSTR(0xc4, 0x15), + ILI9881C_COMMAND_INSTR(0xc5, 0x28), + ILI9881C_COMMAND_INSTR(0xc6, 0x1c), + ILI9881C_COMMAND_INSTR(0xc7, 0x1d), + ILI9881C_COMMAND_INSTR(0xc8, 0x7e), + ILI9881C_COMMAND_INSTR(0xc9, 0x1d), + ILI9881C_COMMAND_INSTR(0xca, 0x29), + ILI9881C_COMMAND_INSTR(0xcb, 0x6b), + ILI9881C_COMMAND_INSTR(0xcc, 0x1a), + ILI9881C_COMMAND_INSTR(0xcd, 0x18), + ILI9881C_COMMAND_INSTR(0xce, 0x4b), + ILI9881C_COMMAND_INSTR(0xcf, 0x20), + ILI9881C_COMMAND_INSTR(0xd0, 0x27), + ILI9881C_COMMAND_INSTR(0xd1, 0x50), + ILI9881C_COMMAND_INSTR(0xd2, 0x64), + ILI9881C_COMMAND_INSTR(0xd3, 0x39), + + ILI9881C_SWITCH_PAGE_INSTR(0), + ILI9881C_COMMAND_INSTR(0x3a, 0x77), + ILI9881C_COMMAND_INSTR(0x36, 0x00), +}; + static inline struct ili9881c *panel_to_ili9881c(struct drm_panel *panel) { return container_of(panel, struct ili9881c, panel); @@ -2035,9 +2235,19 @@ static int ili9881c_prepare(struct drm_panel *panel) int ret; =20 /* Power the panel */ + if (ctx->iovcc) { + ret =3D regulator_enable(ctx->iovcc); + if (ret) + return ret; + } + + msleep(5); ret =3D regulator_enable(ctx->power); - if (ret) - return ret; + if (ret) { + mctx.accum_err =3D ret; + goto disable_iovcc; + } + msleep(5); =20 /* And reset it */ @@ -2074,6 +2284,9 @@ static int ili9881c_prepare(struct drm_panel *panel) =20 disable_power: regulator_disable(ctx->power); +disable_iovcc: + if (ctx->iovcc) + regulator_disable(ctx->iovcc); return mctx.accum_err; } =20 @@ -2085,6 +2298,8 @@ static int ili9881c_unprepare(struct drm_panel *panel) mipi_dsi_dcs_set_display_off_multi(&mctx); mipi_dsi_dcs_enter_sleep_mode_multi(&mctx); regulator_disable(ctx->power); + if (ctx->iovcc) + regulator_disable(ctx->iovcc); gpiod_set_value_cansleep(ctx->reset, 1); =20 return 0; @@ -2260,6 +2475,23 @@ static const struct drm_display_mode bsd1218_a101kl6= 8_default_mode =3D { .height_mm =3D 170, }; =20 +static const struct drm_display_mode waveshare_7inch_a_mode =3D { + .clock =3D 83333, + + .hdisplay =3D 720, + .hsync_start =3D 720 + 120, + .hsync_end =3D 720 + 120 + 100, + .htotal =3D 720 + 120 + 100 + 100, + + .vdisplay =3D 1280, + .vsync_start =3D 1280 + 10, + .vsync_end =3D 1280 + 10 + 10, + .vtotal =3D 1280 + 10 + 10 + 10, + + .width_mm =3D 85, + .height_mm =3D 154, +}; + static int ili9881c_get_modes(struct drm_panel *panel, struct drm_connector *connector) { @@ -2329,6 +2561,11 @@ static int ili9881c_dsi_probe(struct mipi_dsi_device= *dsi) return dev_err_probe(&dsi->dev, PTR_ERR(ctx->power), "Couldn't get our power regulator\n"); =20 + ctx->iovcc =3D devm_regulator_get_optional(&dsi->dev, "iovcc"); + if (IS_ERR(ctx->iovcc)) + return dev_err_probe(&dsi->dev, PTR_ERR(ctx->iovcc), + "Couldn't get our iovcc regulator\n"); + ctx->reset =3D devm_gpiod_get_optional(&dsi->dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(ctx->reset)) return dev_err_probe(&dsi->dev, PTR_ERR(ctx->reset), @@ -2454,6 +2691,15 @@ static const struct ili9881c_desc bsd1218_a101kl68_d= esc =3D { .lanes =3D 4, }; =20 +static const struct ili9881c_desc waveshare_7inch_a_desc =3D { + .init =3D waveshare_7inch_a_init, + .init_length =3D ARRAY_SIZE(waveshare_7inch_a_init), + .mode =3D &waveshare_7inch_a_mode, + .mode_flags =3D MIPI_DSI_MODE_VIDEO | MIPI_DSI_MODE_VIDEO_HSE | + MIPI_DSI_MODE_LPM | MIPI_DSI_CLOCK_NON_CONTINUOUS, + .lanes =3D 2, +}; + static const struct of_device_id ili9881c_of_match[] =3D { { .compatible =3D "bananapi,lhr050h41", .data =3D &lhr050h41_desc }, { .compatible =3D "bestar,bsd1218-a101kl68", .data =3D &bsd1218_a101kl68_= desc }, @@ -2462,6 +2708,7 @@ static const struct of_device_id ili9881c_of_match[] = =3D { { .compatible =3D "tdo,tl050hdv35", .data =3D &tl050hdv35_desc }, { .compatible =3D "wanchanglong,w552946aaa", .data =3D &w552946aaa_desc }, { .compatible =3D "wanchanglong,w552946aba", .data =3D &w552946aba_desc }, + { .compatible =3D "waveshare,7.0-dsi-touch-a", .data =3D &waveshare_7inch= _a_desc }, { .compatible =3D "ampire,am8001280g", .data =3D &am8001280g_desc }, { .compatible =3D "raspberrypi,dsi-5inch", &rpi_5inch_desc }, { .compatible =3D "raspberrypi,dsi-7inch", &rpi_7inch_desc }, --=20 2.47.3