From: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> Samsung MIPI DSIM bridge can be found on Exynos and NXP's i.MX8M Mini/Nano/Plus SoCs. Convert exynos_dsim.txt to yaml. Used the example node from exynos5433.dtsi instead of the one used in the legacy exynos_dsim.txt. Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> Signed-off-by: Fabio Estevam <festevam@xxxxxxx> --- Changes since v2: - Took previous Rob Herring's feedback into account: https://lore.kernel.org/all/20210712151322.GA1931925@xxxxxxxxxxxxxxxxxx/ - Handled imx8mn and imx8mp - Remove unnecessary #address-cells/size-cells. .../display/bridge/samsung,mipi-dsim.yaml | 255 ++++++++++++++++++ .../bindings/display/exynos/exynos_dsim.txt | 92 ------- MAINTAINERS | 1 + 3 files changed, 256 insertions(+), 92 deletions(-) create mode 100644 Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml delete mode 100644 Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt diff --git a/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml new file mode 100644 index 000000000000..55dbec178ea8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml @@ -0,0 +1,255 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/samsung,mipi-dsim.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Samsung MIPI DSIM bridge controller + +maintainers: + - Inki Dae <inki.dae@xxxxxxxxxxx> + - Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> + - Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> + +description: | + Samsung MIPI DSIM bridge controller can be found it on Exynos + and i.MX8M Mini/Nano/Plus SoC's. + +properties: + compatible: + oneOf: + - enum: + - samsung,exynos3250-mipi-dsi + - samsung,exynos4210-mipi-dsi + - samsung,exynos5410-mipi-dsi + - samsung,exynos5422-mipi-dsi + - samsung,exynos5433-mipi-dsi + - fsl,imx8mm-mipi-dsim + - fsl,imx8mp-mipi-dsim + - items: + - const: fsl,imx8mn-mipi-dsim + - const: fsl,imx8mm-mipi-dsim + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + clocks: + minItems: 2 + maxItems: 5 + + clock-names: + minItems: 2 + maxItems: 5 + + samsung,phy-type: + $ref: /schemas/types.yaml#/definitions/uint32 + description: phandle to the samsung phy-type + + power-domains: + maxItems: 1 + + samsung,power-domain: + $ref: /schemas/types.yaml#/definitions/phandle + description: phandle to the associated samsung power domain + + vddcore-supply: + description: MIPI DSIM Core voltage supply (e.g. 1.1V) + + vddio-supply: + description: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V) + + samsung,burst-clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + DSIM high speed burst mode frequency. + + samsung,esc-clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + DSIM escape mode frequency. + + samsung,pll-clock-frequency: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + DSIM oscillator clock frequency. + + phys: + maxItems: 1 + + phy-names: + const: dsim + + ports: + $ref: /schemas/graph.yaml#/properties/ports + + properties: + port@0: + $ref: /schemas/graph.yaml#/properties/port + description: + Input port node to receive pixel data from the + display controller. Exactly one endpoint must be + specified. + + port@1: + $ref: /schemas/graph.yaml#/properties/port + description: + DSI output port node to the panel or the next bridge + in the chain + +required: + - clock-names + - clocks + - compatible + - interrupts + - reg + - samsung,burst-clock-frequency + - samsung,esc-clock-frequency + - samsung,pll-clock-frequency + +allOf: + - $ref: ../dsi-controller.yaml# + - if: + properties: + compatible: + contains: + const: samsung,exynos5433-mipi-dsi + + then: + properties: + clocks: + minItems: 5 + + clock-names: + items: + - const: bus_clk + - const: phyclk_mipidphy0_bitclkdiv8 + - const: phyclk_mipidphy0_rxclkesc0 + - const: sclk_rgb_vclk_to_dsim0 + - const: sclk_mipi + + ports: + required: + - port@0 + + required: + - ports + - vddcore-supply + - vddio-supply + + - if: + properties: + compatible: + contains: + const: samsung,exynos5410-mipi-dsi + + then: + properties: + clocks: + minItems: 2 + + clock-names: + items: + - const: bus_clk + - const: pll_clk + + required: + - vddcore-supply + - vddio-supply + + - if: + properties: + compatible: + contains: + const: samsung,exynos4210-mipi-dsi + + then: + properties: + clocks: + minItems: 2 + + clock-names: + items: + - const: bus_clk + - const: sclk_mipi + + required: + - vddcore-supply + - vddio-supply + + - if: + properties: + compatible: + contains: + const: samsung,exynos3250-mipi-dsi + + then: + properties: + clocks: + minItems: 2 + + clock-names: + items: + - const: bus_clk + - const: pll_clk + + required: + - vddcore-supply + - vddio-supply + - samsung,phy-type + +additionalProperties: + type: object + +examples: + - | + #include <dt-bindings/clock/exynos5433.h> + #include <dt-bindings/gpio/gpio.h> + #include <dt-bindings/interrupt-controller/arm-gic.h> + + dsi@13900000 { + compatible = "samsung,exynos5433-mipi-dsi"; + reg = <0x13900000 0xC0>; + interrupts = <GIC_SPI 205 IRQ_TYPE_LEVEL_HIGH>; + phys = <&mipi_phy 1>; + phy-names = "dsim"; + clocks = <&cmu_disp CLK_PCLK_DSIM0>, + <&cmu_disp CLK_PHYCLK_MIPIDPHY0_BITCLKDIV8>, + <&cmu_disp CLK_PHYCLK_MIPIDPHY0_RXCLKESC0>, + <&cmu_disp CLK_SCLK_RGB_VCLK_TO_DSIM0>, + <&cmu_disp CLK_SCLK_DSIM0>; + clock-names = "bus_clk", + "phyclk_mipidphy0_bitclkdiv8", + "phyclk_mipidphy0_rxclkesc0", + "sclk_rgb_vclk_to_dsim0", + "sclk_mipi"; + power-domains = <&pd_disp>; + vddcore-supply = <&ldo6_reg>; + vddio-supply = <&ldo7_reg>; + samsung,burst-clock-frequency = <512000000>; + samsung,esc-clock-frequency = <16000000>; + samsung,pll-clock-frequency = <24000000>; + pinctrl-names = "default"; + pinctrl-0 = <&te_irq>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + + dsi_to_mic: endpoint { + remote-endpoint = <&mic_to_dsi>; + }; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt b/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt deleted file mode 100644 index 2a5f0889ec32..000000000000 --- a/Documentation/devicetree/bindings/display/exynos/exynos_dsim.txt +++ /dev/null @@ -1,92 +0,0 @@ -Exynos MIPI DSI Master - -Required properties: - - compatible: value should be one of the following - "samsung,exynos3250-mipi-dsi" /* for Exynos3250/3472 SoCs */ - "samsung,exynos4210-mipi-dsi" /* for Exynos4 SoCs */ - "samsung,exynos5410-mipi-dsi" /* for Exynos5410/5420/5440 SoCs */ - "samsung,exynos5422-mipi-dsi" /* for Exynos5422/5800 SoCs */ - "samsung,exynos5433-mipi-dsi" /* for Exynos5433 SoCs */ - "fsl,imx8mm-mipi-dsim" /* for i.MX8M Mini/Nano SoCs */ - "fsl,imx8mp-mipi-dsim" /* for i.MX8M Plus SoCs */ - - reg: physical base address and length of the registers set for the device - - interrupts: should contain DSI interrupt - - clocks: list of clock specifiers, must contain an entry for each required - entry in clock-names - - clock-names: should include "bus_clk"and "sclk_mipi" entries - the use of "pll_clk" is deprecated - - phys: list of phy specifiers, must contain an entry for each required - entry in phy-names - - phy-names: should include "dsim" entry - - vddcore-supply: MIPI DSIM Core voltage supply (e.g. 1.1V) - - vddio-supply: MIPI DSIM I/O and PLL voltage supply (e.g. 1.8V) - - samsung,pll-clock-frequency: specifies frequency of the oscillator clock - - #address-cells, #size-cells: should be set respectively to <1> and <0> - according to DSI host bindings (see MIPI DSI bindings [1]) - - samsung,burst-clock-frequency: specifies DSI frequency in high-speed burst - mode - - samsung,esc-clock-frequency: specifies DSI frequency in escape mode - -Optional properties: - - power-domains: a phandle to DSIM power domain node - -Child nodes: - Should contain DSI peripheral nodes (see MIPI DSI bindings [1]). - -Video interfaces: - Device node can contain following video interface port nodes according to [2]: - 0: RGB input, - 1: DSI output - -[1]: Documentation/devicetree/bindings/display/mipi-dsi-bus.txt -[2]: Documentation/devicetree/bindings/media/video-interfaces.txt - -Example: - - dsi@11c80000 { - compatible = "samsung,exynos4210-mipi-dsi"; - reg = <0x11C80000 0x10000>; - interrupts = <0 79 0>; - clocks = <&clock 286>, <&clock 143>; - clock-names = "bus_clk", "sclk_mipi"; - phys = <&mipi_phy 1>; - phy-names = "dsim"; - vddcore-supply = <&vusb_reg>; - vddio-supply = <&vmipi_reg>; - power-domains = <&pd_lcd0>; - #address-cells = <1>; - #size-cells = <0>; - samsung,pll-clock-frequency = <24000000>; - - panel@1 { - reg = <0>; - ... - port { - panel_ep: endpoint { - remote-endpoint = <&dsi_ep>; - }; - }; - }; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - decon_to_mic: endpoint { - remote-endpoint = <&mic_to_decon>; - }; - }; - - port@1 { - reg = <1>; - dsi_ep: endpoint { - reg = <0>; - samsung,burst-clock-frequency = <500000000>; - samsung,esc-clock-frequency = <20000000>; - remote-endpoint = <&panel_ep>; - }; - }; - }; - }; diff --git a/MAINTAINERS b/MAINTAINERS index 4f57deee1a08..aca7027dc464 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6640,6 +6640,7 @@ M: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> M: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx> S: Maintained T: git git://anongit.freedesktop.org/drm/drm-misc +F: Documentation/devicetree/bindings/display/bridge/samsung,mipi-dsim.yaml F: drivers/gpu/drm/bridge/samsung-dsim.c F: include/drm/bridge/samsung-dsim.h -- 2.34.1
