This patch converts ata/cortina,gemini-sata-bridge binding to yaml Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> Acked-by: Damien Le Moal <damien.lemoal@xxxxxxxxxxxxxxxxxx> Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx> --- Change since v1: - fixed cosmetic nits reported by Damien Le Moal Changes since v2: - Added blank lines between properties - Removed useless quotes and label - Re-indented description Change since v3: - fixed all min/maxitems reported by Krzysztof Kozlowski .../ata/cortina,gemini-sata-bridge.txt | 55 --------- .../ata/cortina,gemini-sata-bridge.yaml | 109 ++++++++++++++++++ 2 files changed, 109 insertions(+), 55 deletions(-) delete mode 100644 Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt create mode 100644 Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml diff --git a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt deleted file mode 100644 index 1c3d3cc70051..000000000000 --- a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.txt +++ /dev/null @@ -1,55 +0,0 @@ -* Cortina Systems Gemini SATA Bridge - -The Gemini SATA bridge in a SoC-internal PATA to SATA bridge that -takes two Faraday Technology FTIDE010 PATA controllers and bridges -them in different configurations to two SATA ports. - -Required properties: -- compatible: should be - "cortina,gemini-sata-bridge" -- reg: registers and size for the block -- resets: phandles to the reset lines for both SATA bridges -- reset-names: must be "sata0", "sata1" -- clocks: phandles to the compulsory peripheral clocks -- clock-names: must be "SATA0_PCLK", "SATA1_PCLK" -- syscon: a phandle to the global Gemini system controller -- cortina,gemini-ata-muxmode: tell the desired multiplexing mode for - the ATA controller and SATA bridges. Values 0..3: - Mode 0: ata0 master <-> sata0 - ata1 master <-> sata1 - ata0 slave interface brought out on IDE pads - Mode 1: ata0 master <-> sata0 - ata1 master <-> sata1 - ata1 slave interface brought out on IDE pads - Mode 2: ata1 master <-> sata1 - ata1 slave <-> sata0 - ata0 master and slave interfaces brought out - on IDE pads - Mode 3: ata0 master <-> sata0 - ata0 slave <-> sata1 - ata1 master and slave interfaces brought out - on IDE pads - -Optional boolean properties: -- cortina,gemini-enable-ide-pins: enables the PATA to IDE connection. - The muxmode setting decides whether ATA0 or ATA1 is brought out, - and whether master, slave or both interfaces get brought out. -- cortina,gemini-enable-sata-bridge: enables the PATA to SATA bridge - inside the Gemnini SoC. The Muxmode decides what PATA blocks will - be muxed out and how. - -Example: - -sata: sata@46000000 { - compatible = "cortina,gemini-sata-bridge"; - reg = <0x46000000 0x100>; - resets = <&rcon 26>, <&rcon 27>; - reset-names = "sata0", "sata1"; - clocks = <&gcc GEMINI_CLK_GATE_SATA0>, - <&gcc GEMINI_CLK_GATE_SATA1>; - clock-names = "SATA0_PCLK", "SATA1_PCLK"; - syscon = <&syscon>; - cortina,gemini-ata-muxmode = <3>; - cortina,gemini-enable-ide-pins; - cortina,gemini-enable-sata-bridge; -}; diff --git a/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml new file mode 100644 index 000000000000..77af2559b097 --- /dev/null +++ b/Documentation/devicetree/bindings/ata/cortina,gemini-sata-bridge.yaml @@ -0,0 +1,109 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ata/cortina,gemini-sata-bridge.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cortina Systems Gemini SATA Bridge + +maintainers: + - Linus Walleij <linus.walleij@xxxxxxxxxx> + +description: | + The Gemini SATA bridge in a SoC-internal PATA to SATA bridge that + takes two Faraday Technology FTIDE010 PATA controllers and bridges + them in different configurations to two SATA ports. + +properties: + compatible: + const: cortina,gemini-sata-bridge + + reg: + maxItems: 1 + + resets: + minItems: 2 + maxItems: 2 + description: phandles to the reset lines for both SATA bridges + + reset-names: + items: + - const: sata0 + - const: sata1 + + clocks: + minItems: 2 + maxItems: 2 + description: phandles to the compulsory peripheral clocks + + clock-names: + items: + - const: SATA0_PCLK + - const: SATA1_PCLK + + syscon: + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/phandle + description: a phandle to the global Gemini system controller + + cortina,gemini-ata-muxmode: + $ref: /schemas/types.yaml#/definitions/uint32 + enum: + - 0 + - 1 + - 2 + - 3 + description: | + Tell the desired multiplexing mode for the ATA controller and SATA bridges. Values 0..3: + Mode 0: ata0 master <-> sata0 + ata1 master <-> sata1 + ata0 slave interface brought out on IDE pads + Mode 1: ata0 master <-> sata0 + ata1 master <-> sata1 + ata1 slave interface brought out on IDE pads + Mode 2: ata1 master <-> sata1 + ata1 slave <-> sata0 + ata0 master and slave interfaces brought out on IDE pads + Mode 3: ata0 master <-> sata0 + ata0 slave <-> sata1 + ata1 master and slave interfaces brought out on IDE pads + + cortina,gemini-enable-ide-pins: + type: boolean + description: Enables the PATA to IDE connection. + The muxmode setting decides whether ATA0 or ATA1 is brought out, + and whether master, slave or both interfaces get brought out. + + cortina,gemini-enable-sata-bridge: + type: boolean + description: Enables the PATA to SATA bridge inside the Gemnini SoC. + The Muxmode decides what PATA blocks will be muxed out and how. + +required: + - clocks + - clock-names + - cortina,gemini-ata-muxmode + - resets + - reset-names + - compatible + - reg + - syscon + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/cortina,gemini-clock.h> + sata@46000000 { + compatible = "cortina,gemini-sata-bridge"; + reg = <0x46000000 0x100>; + resets = <&rcon 26>, <&rcon 27>; + reset-names = "sata0", "sata1"; + clocks = <&gcc GEMINI_CLK_GATE_SATA0>, + <&gcc GEMINI_CLK_GATE_SATA1>; + clock-names = "SATA0_PCLK", "SATA1_PCLK"; + syscon = <&syscon>; + cortina,gemini-ata-muxmode = <3>; + cortina,gemini-enable-ide-pins; + cortina,gemini-enable-sata-bridge; + }; -- 2.34.1