Re: [PATCH v2 3/6] arm64: dts: exynos7870: add DSI support

From: Krzysztof Kozlowski
Date: Wed Aug 13 2025 - 04:01:34 EST


On 26/06/2025 22:13, Kaustabh Chakraborty wrote:
> reboot-mode {
> compatible = "syscon-reboot-mode";
> offset = <0x080c>;
> @@ -674,6 +682,83 @@ cmu_isp: clock-controller@144d0000 {
> <&cmu_mif CLK_GOUT_MIF_CMU_ISP_VRA>;
> };
>
> + syscon_cam0: syscon@144f1040 {
> + compatible = "samsung,exynos7870-cam0-sysreg", "syscon";
> + reg = <0x144f1040 0x04>;
> + };
> +
> + dsi: dsi@14800000 {
> + compatible = "samsung,exynos7870-mipi-dsi";
> + reg = <0x14800000 0x100>;
> + interrupts = <GIC_SPI 207 IRQ_TYPE_LEVEL_HIGH>;
> +
> + clock-names = "bus", "pll", "byte", "esc";
> + clocks = <&cmu_dispaud CLK_GOUT_DISPAUD_BUS_DISP>,
> + <&cmu_dispaud CLK_GOUT_DISPAUD_APB_DISP>,
> + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_MIPIPHY_TXBYTECLKHS_USER>,
> + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_MIPIPHY_RXCLKESC0_USER>;

First clocks, then clock-names, please. Same for phys here and in all
other place.

> +
> + phy-names = "dsim";
> + phys = <&mipi_phy 1>;
> +
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> +
> + dsi_to_decon: endpoint {
> + remote-endpoint = <&decon_to_dsi>;
> + };
> + };
> + };
> + };
> +
> + decon: decon@14830000 {

node name: display-controller@

> + compatible = "samsung,exynos7870-decon";
> + reg = <0x14830000 0x8000>;
> + interrupt-names = "fifo", "vsync", "lcd_sys";
> + interrupts = <GIC_SPI 201 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 202 IRQ_TYPE_LEVEL_HIGH>,
> + <GIC_SPI 203 IRQ_TYPE_LEVEL_HIGH>;
> +
> + clock-names = "pclk_decon0", "aclk_decon0",
> + "decon0_eclk", "decon0_vclk";
> + clocks = <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_PLL>,
> + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_BUS_USER>,
> + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_DECON_ECLK>,
> + <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_DECON_VCLK>;
> +
> + iommus = <&sysmmu_decon>;
> +
> + status = "disabled";
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + decon_to_dsi: endpoint {
> + remote-endpoint = <&dsi_to_decon>;
> + };
> + };
> + };
> + };
> +
> + sysmmu_decon: sysmmu@14860000 {

iommu@

> + compatible = "samsung,exynos-sysmmu";
> + reg = <0x14860000 0x1000>;
> + interrupts = <GIC_SPI 193 IRQ_TYPE_LEVEL_HIGH>;
> + #iommu-cells = <0>;
> +
> + clock-names = "sysmmu";
> + clocks = <&cmu_dispaud CLK_GOUT_DISPAUD_MUX_BUS_USER>;
> + };



Best regards,
Krzysztof