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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt')
-rw-r--r-- | Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt b/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt new file mode 100644 index 000000000..775193e1c --- /dev/null +++ b/Documentation/devicetree/bindings/display/exynos/exynos5433-decon.txt @@ -0,0 +1,60 @@ +Device-Tree bindings for Samsung Exynos SoC display controller (DECON) + +DECON (Display and Enhancement Controller) is the Display Controller for the +Exynos series of SoCs which transfers the image data from a video memory +buffer to an external LCD interface. + +Required properties: +- compatible: value should be one of: + "samsung,exynos5433-decon", "samsung,exynos5433-decon-tv"; +- reg: physical base address and length of the DECON registers set. +- interrupt-names: should contain the interrupt names depending on mode of work: + video mode: "vsync", + command mode: "lcd_sys", + command mode with software trigger: "lcd_sys", "te". +- interrupts or interrupts-extended: list of interrupt specifiers corresponding + to names privided in interrupt-names, as described in + interrupt-controller/interrupts.txt +- clocks: must include clock specifiers corresponding to entries in the + clock-names property. +- clock-names: list of clock names sorted in the same order as the clocks + property. Must contain "pclk", "aclk_decon", "aclk_smmu_decon0x", + "aclk_xiu_decon0x", "pclk_smmu_decon0x", "aclk_smmu_decon1x", + "aclk_xiu_decon1x", "pclk_smmu_decon1x", clk_decon_vclk", + "sclk_decon_eclk" +- ports: contains a port which is connected to mic node. address-cells and + size-cells must 1 and 0, respectively. +- port: contains an endpoint node which is connected to the endpoint in the mic + node. The reg value muset be 0. + +Example: +SoC specific DT entry: +decon: decon@13800000 { + compatible = "samsung,exynos5433-decon"; + reg = <0x13800000 0x2104>; + clocks = <&cmu_disp CLK_ACLK_DECON>, <&cmu_disp CLK_ACLK_SMMU_DECON0X>, + <&cmu_disp CLK_ACLK_XIU_DECON0X>, + <&cmu_disp CLK_PCLK_SMMU_DECON0X>, + <&cmu_disp CLK_ACLK_SMMU_DECON1X>, + <&cmu_disp CLK_ACLK_XIU_DECON1X>, + <&cmu_disp CLK_PCLK_SMMU_DECON1X>, + <&cmu_disp CLK_SCLK_DECON_VCLK>, + <&cmu_disp CLK_SCLK_DECON_ECLK>; + clock-names = "aclk_decon", "aclk_smmu_decon0x", "aclk_xiu_decon0x", + "pclk_smmu_decon0x", "aclk_smmu_decon1x", "aclk_xiu_decon1x", + "pclk_smmu_decon1x", "sclk_decon_vclk", "sclk_decon_eclk"; + interrupt-names = "vsync", "lcd_sys"; + interrupts = <0 202 0>, <0 203 0>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + decon_to_mic: endpoint { + remote-endpoint = <&mic_to_decon>; + }; + }; + }; +}; |