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+# 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@samsung.com>
+ - Jagan Teki <jagan@amarulasolutions.com>
+
+description: |
+ Samsung MIPI DSIM bridge controller can be found it on Exynos
+ and i.MX8M Mini and Nano SoC's.
+
+properties:
+ compatible:
+ 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
+
+ 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
+
+ phys:
+ maxItems: 1
+ description: phandle to the phy module representing the DPHY
+
+ phy-names:
+ items:
+ - const: dsim
+
+ samsung,phy-type:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: phandle to the samsung phy-type
+
+ power-domains:
+ description: phandle to the associated power domain
+ 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.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ description:
+ Input port node to receive pixel data from the
+ display controller. Exactly one endpoint must be
+ specified.
+ properties:
+ endpoint@0:
+ $ref: /schemas/graph.yaml#/properties/endpoint
+ description: sub-node describing the input from MIC
+
+ unevaluatedProperties: false
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ DSI output port node to the panel or the next bridge
+ in the chain
+
+required:
+ - '#address-cells'
+ - '#size-cells'
+ - clock-names
+ - clocks
+ - compatible
+ - interrupts
+ - phy-names
+ - phys
+ - 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>;
+ status = "disabled";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ panel@0 {
+ compatible = "samsung,s6e3ha2";
+ reg = <0>;
+ vdd3-supply = <&ldo27_reg>;
+ vci-supply = <&ldo28_reg>;
+ reset-gpios = <&gpg0 0 GPIO_ACTIVE_LOW>;
+ enable-gpios = <&gpf1 5 GPIO_ACTIVE_HIGH>;
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ dsi_to_mic: endpoint {
+ remote-endpoint = <&mic_to_dsi>;
+ };
+ };
+ };
+ };
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-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>;
- };
- };
- };
- };