Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 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 | |
| 7 | title: ST-Ericsson Multi Channel Display Engine MCDE |
| 8 | |
| 9 | maintainers: |
| 10 | - Linus Walleij <linus.walleij@linaro.org> |
| 11 | |
| 12 | properties: |
| 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 | $ref: /schemas/graph.yaml#/properties/port |
| 46 | description: |
| 47 | A DPI port node |
| 48 | |
| 49 | "#address-cells": |
| 50 | const: 1 |
| 51 | |
| 52 | "#size-cells": |
| 53 | const: 1 |
| 54 | |
| 55 | ranges: true |
| 56 | |
| 57 | patternProperties: |
| 58 | "^dsi@[0-9a-f]+$": |
| 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 | |
| 97 | required: |
| 98 | - compatible |
| 99 | - reg |
| 100 | - interrupts |
| 101 | - clocks |
| 102 | - clock-names |
| 103 | - epod-supply |
| 104 | - vana-supply |
| 105 | |
| 106 | additionalProperties: false |
| 107 | |
| 108 | examples: |
| 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 | ... |