Tom Rini | 53633a8 | 2024-02-29 12:33:36 -0500 | [diff] [blame] | 1 | # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause |
| 2 | %YAML 1.2 |
| 3 | --- |
| 4 | $id: http://devicetree.org/schemas/media/samsung,exynos4210-csis.yaml# |
| 5 | $schema: http://devicetree.org/meta-schemas/core.yaml# |
| 6 | |
| 7 | title: Samsung S5P/Exynos SoC series MIPI CSI-2 receiver (MIPI CSIS) |
| 8 | |
| 9 | maintainers: |
| 10 | - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> |
| 11 | - Sylwester Nawrocki <s.nawrocki@samsung.com> |
| 12 | |
| 13 | properties: |
| 14 | compatible: |
| 15 | enum: |
| 16 | - samsung,s5pv210-csis |
| 17 | - samsung,exynos4210-csis |
| 18 | - samsung,exynos4212-csis |
| 19 | - samsung,exynos5250-csis |
| 20 | |
| 21 | reg: |
| 22 | maxItems: 1 |
| 23 | |
| 24 | '#address-cells': |
| 25 | const: 1 |
| 26 | |
| 27 | '#size-cells': |
| 28 | const: 0 |
| 29 | |
| 30 | bus-width: |
| 31 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 32 | enum: [2, 4] |
| 33 | description: |
| 34 | Number of data lines supported. |
| 35 | |
| 36 | clocks: |
| 37 | maxItems: 2 |
| 38 | |
| 39 | clock-names: |
| 40 | items: |
| 41 | - const: csis |
| 42 | - const: sclk_csis |
| 43 | |
| 44 | clock-frequency: |
| 45 | default: 166000000 |
| 46 | description: |
| 47 | The IP's main (system bus) clock frequency in Hz. |
| 48 | |
| 49 | interrupts: |
| 50 | maxItems: 1 |
| 51 | |
| 52 | phys: |
| 53 | maxItems: 1 |
| 54 | |
| 55 | phy-names: |
| 56 | items: |
| 57 | - const: csis |
| 58 | |
| 59 | power-domains: |
| 60 | maxItems: 1 |
| 61 | |
| 62 | vddio-supply: |
| 63 | description: MIPI CSIS I/O and PLL voltage supply (e.g. 1.8V). |
| 64 | |
| 65 | vddcore-supply: |
| 66 | description: MIPI CSIS Core voltage supply (e.g. 1.1V). |
| 67 | |
| 68 | patternProperties: |
| 69 | "^port@[34]$": |
| 70 | $ref: /schemas/graph.yaml#/$defs/port-base |
| 71 | additionalProperties: false |
| 72 | description: |
| 73 | Camera input port. |
| 74 | |
| 75 | properties: |
| 76 | reg: |
| 77 | enum: [3, 4] |
| 78 | |
| 79 | endpoint: |
| 80 | $ref: video-interfaces.yaml# |
| 81 | unevaluatedProperties: false |
| 82 | |
| 83 | properties: |
| 84 | data-lanes: |
| 85 | minItems: 1 |
| 86 | maxItems: 4 |
| 87 | |
| 88 | samsung,csis-hs-settle: |
| 89 | $ref: /schemas/types.yaml#/definitions/uint32 |
| 90 | description: Differential receiver (HS-RX) settle time. |
| 91 | |
| 92 | samsung,csis-wclk: |
| 93 | type: boolean |
| 94 | description: |
| 95 | CSI-2 wrapper clock selection. If this property is present external clock |
| 96 | from CMU will be used, or the bus clock if it's not specified. |
| 97 | |
| 98 | required: |
| 99 | - data-lanes |
| 100 | |
| 101 | required: |
| 102 | - reg |
| 103 | |
| 104 | required: |
| 105 | - compatible |
| 106 | - reg |
| 107 | - bus-width |
| 108 | - clocks |
| 109 | - clock-names |
| 110 | - interrupts |
| 111 | - vddio-supply |
| 112 | - vddcore-supply |
| 113 | |
| 114 | anyOf: |
| 115 | - required: |
| 116 | - port@3 |
| 117 | - required: |
| 118 | - port@4 |
| 119 | |
| 120 | allOf: |
| 121 | - if: |
| 122 | required: |
| 123 | - samsung,isp-wb |
| 124 | then: |
| 125 | required: |
| 126 | - samsung,sysreg |
| 127 | |
| 128 | additionalProperties: false |
| 129 | |
| 130 | examples: |
| 131 | - | |
| 132 | #include <dt-bindings/clock/exynos4.h> |
| 133 | #include <dt-bindings/interrupt-controller/arm-gic.h> |
| 134 | |
| 135 | csis@11890000 { |
| 136 | compatible = "samsung,exynos4210-csis"; |
| 137 | reg = <0x11890000 0x4000>; |
| 138 | clocks = <&clock CLK_CSIS1>, |
| 139 | <&clock CLK_SCLK_CSIS1>; |
| 140 | clock-names = "csis", "sclk_csis"; |
| 141 | assigned-clocks = <&clock CLK_MOUT_CSIS1>, |
| 142 | <&clock CLK_SCLK_CSIS1>; |
| 143 | assigned-clock-parents = <&clock CLK_MOUT_MPLL_USER_T>; |
| 144 | assigned-clock-rates = <0>, <176000000>; |
| 145 | |
| 146 | interrupts = <GIC_SPI 80 IRQ_TYPE_LEVEL_HIGH>; |
| 147 | |
| 148 | bus-width = <2>; |
| 149 | power-domains = <&pd_cam>; |
| 150 | phys = <&mipi_phy 2>; |
| 151 | phy-names = "csis"; |
| 152 | |
| 153 | vddcore-supply = <&ldo8_reg>; |
| 154 | vddio-supply = <&ldo10_reg>; |
| 155 | |
| 156 | #address-cells = <1>; |
| 157 | #size-cells = <0>; |
| 158 | |
| 159 | /* Camera D (4) MIPI CSI-2 (CSIS1) */ |
| 160 | port@4 { |
| 161 | reg = <4>; |
| 162 | |
| 163 | endpoint { |
| 164 | remote-endpoint = <&is_s5k6a3_ep>; |
| 165 | data-lanes = <1>; |
| 166 | samsung,csis-hs-settle = <18>; |
| 167 | samsung,csis-wclk; |
| 168 | }; |
| 169 | }; |
| 170 | }; |