diff options
Diffstat (limited to 'Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml | 107 |
1 files changed, 89 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml b/Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml index b356251de5a8..92b12762c472 100644 --- a/Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml +++ b/Documentation/devicetree/bindings/dma/renesas,rz-dmac.yaml @@ -11,19 +11,23 @@ maintainers: properties: compatible: - items: - - enum: - - renesas,r7s72100-dmac # RZ/A1H - - renesas,r9a07g043-dmac # RZ/G2UL and RZ/Five - - renesas,r9a07g044-dmac # RZ/G2{L,LC} - - renesas,r9a07g054-dmac # RZ/V2L - - renesas,r9a08g045-dmac # RZ/G3S - - const: renesas,rz-dmac + oneOf: + - items: + - enum: + - renesas,r7s72100-dmac # RZ/A1H + - renesas,r9a07g043-dmac # RZ/G2UL and RZ/Five + - renesas,r9a07g044-dmac # RZ/G2{L,LC} + - renesas,r9a07g054-dmac # RZ/V2L + - renesas,r9a08g045-dmac # RZ/G3S + - const: renesas,rz-dmac + + - const: renesas,r9a09g057-dmac # RZ/V2H(P) reg: items: - description: Control and channel register block - description: DMA extended resource selector block + minItems: 1 interrupts: maxItems: 17 @@ -52,6 +56,7 @@ properties: items: - description: DMA main clock - description: DMA register access clock + minItems: 1 clock-names: items: @@ -61,10 +66,10 @@ properties: '#dma-cells': const: 1 description: - The cell specifies the encoded MID/RID values of the DMAC port - connected to the DMA client and the slave channel configuration - parameters. - bits[0:9] - Specifies MID/RID value + The cell specifies the encoded MID/RID or the REQ No values of + the DMAC port connected to the DMA client and the slave channel + configuration parameters. + bits[0:9] - Specifies the MID/RID or the REQ No value bit[10] - Specifies DMA request high enable (HIEN) bit[11] - Specifies DMA request detection type (LVL) bits[12:14] - Specifies DMAACK output mode (AM) @@ -80,12 +85,26 @@ properties: items: - description: Reset for DMA ARESETN reset terminal - description: Reset for DMA RST_ASYNC reset terminal + minItems: 1 reset-names: items: - const: arst - const: rst_async + renesas,icu: + description: + It must contain the phandle to the ICU and the index of the DMAC as seen + from the ICU. + $ref: /schemas/types.yaml#/definitions/phandle-array + items: + - items: + - description: Phandle to the ICU node. + - description: + The number of the DMAC as seen from the ICU, i.e. parameter k from + register ICU_DMkSELy. This may differ from the actual DMAC instance + number. + required: - compatible - reg @@ -98,13 +117,25 @@ allOf: - $ref: dma-controller.yaml# - if: - not: - properties: - compatible: - contains: - enum: - - renesas,r7s72100-dmac + properties: + compatible: + contains: + enum: + - renesas,r9a07g043-dmac + - renesas,r9a07g044-dmac + - renesas,r9a07g054-dmac + - renesas,r9a08g045-dmac then: + properties: + reg: + minItems: 2 + clocks: + minItems: 2 + resets: + minItems: 2 + + renesas,icu: false + required: - clocks - clock-names @@ -112,6 +143,46 @@ allOf: - resets - reset-names + - if: + properties: + compatible: + contains: + const: renesas,r7s72100-dmac + then: + properties: + reg: + minItems: 2 + + clocks: false + clock-names: false + power-domains: false + resets: false + reset-names: false + renesas,icu: false + + - if: + properties: + compatible: + contains: + const: renesas,r9a09g057-dmac + then: + properties: + reg: + maxItems: 1 + clocks: + maxItems: 1 + resets: + maxItems: 1 + + clock-names: false + reset-names: false + + required: + - clocks + - power-domains + - renesas,icu + - resets + additionalProperties: false examples: |