1# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/display/ste,mcde.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: ST-Ericsson Multi Channel Display Engine MCDE 8 9maintainers: 10 - Linus Walleij <linus.walleij@linaro.org> 11 12properties: 13 compatible: 14 const: ste,mcde 15 16 reg: 17 maxItems: 1 18 19 interrupts: 20 maxItems: 1 21 22 clocks: 23 description: an array of the MCDE clocks 24 items: 25 - description: MCDECLK (main MCDE clock) 26 - description: LCDCLK (LCD clock) 27 - description: PLLDSI (HDMI clock) 28 29 clock-names: 30 items: 31 - const: mcde 32 - const: lcd 33 - const: hdmi 34 35 resets: 36 maxItems: 1 37 38 epod-supply: 39 description: a phandle to the EPOD regulator 40 41 vana-supply: 42 description: a phandle to the analog voltage regulator 43 44 port: 45 $ref: /schemas/graph.yaml#/properties/port 46 description: 47 A DPI port node 48 49 "#address-cells": 50 const: 1 51 52 "#size-cells": 53 const: 1 54 55 ranges: true 56 57patternProperties: 58 "^dsi@[0-9a-f]+$": 59 description: subnodes for the three DSI host adapters 60 type: object 61 $ref: dsi-controller.yaml# 62 63 properties: 64 compatible: 65 const: ste,mcde-dsi 66 67 reg: 68 maxItems: 1 69 70 vana-supply: 71 description: a phandle to the analog voltage regulator 72 73 clocks: 74 description: phandles to the high speed and low power (energy save) clocks 75 the high speed clock is not present on the third (dsi2) block, so it 76 should only have the "lp" clock 77 minItems: 1 78 maxItems: 2 79 80 clock-names: 81 oneOf: 82 - items: 83 - const: hs 84 - const: lp 85 - items: 86 - const: lp 87 88 required: 89 - compatible 90 - reg 91 - vana-supply 92 - clocks 93 - clock-names 94 95 unevaluatedProperties: false 96 97required: 98 - compatible 99 - reg 100 - interrupts 101 - clocks 102 - clock-names 103 - epod-supply 104 - vana-supply 105 106additionalProperties: false 107 108examples: 109 - | 110 #include <dt-bindings/interrupt-controller/irq.h> 111 #include <dt-bindings/interrupt-controller/arm-gic.h> 112 #include <dt-bindings/mfd/dbx500-prcmu.h> 113 #include <dt-bindings/gpio/gpio.h> 114 115 mcde@a0350000 { 116 compatible = "ste,mcde"; 117 reg = <0xa0350000 0x1000>; 118 interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; 119 epod-supply = <&db8500_b2r2_mcde_reg>; 120 vana-supply = <&ab8500_ldo_ana_reg>; 121 clocks = <&prcmu_clk PRCMU_MCDECLK>, 122 <&prcmu_clk PRCMU_LCDCLK>, 123 <&prcmu_clk PRCMU_PLLDSI>; 124 clock-names = "mcde", "lcd", "hdmi"; 125 #address-cells = <1>; 126 #size-cells = <1>; 127 ranges; 128 129 dsi0: dsi@a0351000 { 130 compatible = "ste,mcde-dsi"; 131 reg = <0xa0351000 0x1000>; 132 vana-supply = <&ab8500_ldo_ana_reg>; 133 clocks = <&prcmu_clk PRCMU_DSI0CLK>, <&prcmu_clk PRCMU_DSI0ESCCLK>; 134 clock-names = "hs", "lp"; 135 #address-cells = <1>; 136 #size-cells = <0>; 137 138 panel@0 { 139 compatible = "samsung,s6d16d0"; 140 reg = <0>; 141 vdd1-supply = <&ab8500_ldo_aux1_reg>; 142 reset-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>; 143 }; 144 }; 145 146 dsi1: dsi@a0352000 { 147 compatible = "ste,mcde-dsi"; 148 reg = <0xa0352000 0x1000>; 149 vana-supply = <&ab8500_ldo_ana_reg>; 150 clocks = <&prcmu_clk PRCMU_DSI1CLK>, <&prcmu_clk PRCMU_DSI1ESCCLK>; 151 clock-names = "hs", "lp"; 152 #address-cells = <1>; 153 #size-cells = <0>; 154 }; 155 156 dsi2: dsi@a0353000 { 157 compatible = "ste,mcde-dsi"; 158 reg = <0xa0353000 0x1000>; 159 vana-supply = <&ab8500_ldo_ana_reg>; 160 /* This DSI port only has the Low Power / Energy Save clock */ 161 clocks = <&prcmu_clk PRCMU_DSI2ESCCLK>; 162 clock-names = "lp"; 163 #address-cells = <1>; 164 #size-cells = <0>; 165 }; 166 }; 167 168... 169