diff options
| author | Kaustabh Chakraborty <kauschluss@disroot.org> | 2025-10-31 00:50:18 +0530 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2025-11-05 08:23:53 +0100 |
| commit | ba2cd209cf8dc6e826f3ede80212911c23ed2076 (patch) | |
| tree | 0150ed353d1d8afbddebdf9a5575b8ae4ab0ebe9 | |
| parent | 35e69cc6bdef74a3c4794bd278a94dfb512abd7a (diff) | |
arm64: dts: exynos7870-a2corelte: enable display panel support
Enable DECON and DSI nodes, and add the compatible display panel and
appropriate panel timings for this device. Also, remove the
simple-framebuffer node in favor of the panel.
This device has a 540x960 Synaptics TD4101 display panel.
Signed-off-by: Kaustabh Chakraborty <kauschluss@disroot.org>
Link: https://patch.msgid.link/20251031-exynos7870-drm-dts-v4-4-c1f77fb16b87@disroot.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
| -rw-r--r-- | arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts | 57 |
1 files changed, 43 insertions, 14 deletions
diff --git a/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts b/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts index 07467158ee6a..6f40ca4350ed 100644 --- a/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts +++ b/arch/arm64/boot/dts/exynos/exynos7870-a2corelte.dts @@ -27,20 +27,7 @@ }; chosen { - #address-cells = <2>; - #size-cells = <1>; - ranges; - stdout-path = &serial2; - - framebuffer@67000000 { - compatible = "simple-framebuffer"; - reg = <0x0 0x67000000 (540 * 960 * 4)>; - width = <540>; - height = <960>; - stride = <(540 * 4)>; - format = "a8r8g8b8"; - }; }; gpio-keys { @@ -110,8 +97,9 @@ pmsg-size = <0x4000>; }; - framebuffer@67000000 { + cont_splash_mem: framebuffer@67000000 { reg = <0x0 0x67000000 (540 * 960 * 4)>; + iommu-addresses = <&decon 0x67000000 (540 * 960 * 4)>; no-map; }; }; @@ -124,6 +112,47 @@ }; }; +&decon { + memory-region = <&cont_splash_mem>; + + status = "okay"; +}; + +&dsi { + #address-cells = <1>; + #size-cells = <0>; + + samsung,burst-clock-frequency = <836000000>; + samsung,esc-clock-frequency = <16000000>; + samsung,pll-clock-frequency = <26000000>; + + status = "okay"; + + panel@0 { + compatible = "syna,td4101-panel"; + reg = <0>; + + backlight-gpios = <&gpd3 7 GPIO_ACTIVE_LOW>; + + width-mm = <62>; + height-mm = <110>; + + panel-timing { + clock-frequency = <69336720>; + + hactive = <540>; + hsync-len = <4>; + hfront-porch = <364>; + hback-porch = <40>; + + vactive = <960>; + vsync-len = <2>; + vfront-porch = <244>; + vback-porch = <13>; + }; + }; +}; + &gpu { status = "okay"; }; |