diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml | 99 |
1 files changed, 43 insertions, 56 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml index 06efb1382876..750c996c10a7 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml @@ -4,22 +4,20 @@ $id: http://devicetree.org/schemas/pinctrl/qcom,sm8250-lpass-lpi-pinctrl.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Qualcomm Technologies, Inc. Low Power Audio SubSystem (LPASS) - Low Power Island (LPI) TLMM block +title: Qualcomm SM8250 SoC LPASS LPI TLMM maintainers: - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -description: | - This binding describes the Top Level Mode Multiplexer block found in the - LPASS LPI IP on most Qualcomm SoCs +description: + Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem + (LPASS) Low Power Island (LPI) of Qualcomm SM8250 SoC. properties: compatible: const: qcom,sm8250-lpass-lpi-pinctrl reg: - minItems: 2 maxItems: 2 clocks: @@ -32,24 +30,23 @@ properties: - const: core - const: audio - gpio-controller: true - - '#gpio-cells': - description: Specifying the pin number and flags, as defined in - include/dt-bindings/gpio/gpio.h - const: 2 - - gpio-ranges: - maxItems: 1 - -#PIN CONFIGURATION NODES patternProperties: - '-pins$': + "-state$": + oneOf: + - $ref: "#/$defs/qcom-sm8250-lpass-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-sm8250-lpass-state" + additionalProperties: false + +$defs: + qcom-sm8250-lpass-state: type: object description: Pinctrl node's client devices use subnodes for desired pin configuration. Client device subnodes use below standard properties. - $ref: "/schemas/pinctrl/pincfg-node.yaml" + $ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state + unevaluatedProperties: false properties: pins: @@ -58,7 +55,7 @@ patternProperties: subnode. items: oneOf: - - pattern: "^gpio([0-9]|[1-9][0-9])$" + - pattern: "^gpio([0-9]|1[0-3])$" minItems: 1 maxItems: 14 @@ -72,50 +69,16 @@ patternProperties: Specify the alternative function to be configured for the specified pins. - drive-strength: - enum: [2, 4, 6, 8, 10, 12, 14, 16] - default: 2 - description: - Selects the drive strength for the specified pins, in mA. - - slew-rate: - enum: [0, 1, 2, 3] - default: 0 - description: | - 0: No adjustments - 1: Higher Slew rate (faster edges) - 2: Lower Slew rate (slower edges) - 3: Reserved (No adjustments) - - bias-pull-down: true - - bias-pull-up: true - - bias-disable: true - - output-high: true - - output-low: true - - required: - - pins - - function - - additionalProperties: false - allOf: - - $ref: "pinctrl.yaml#" + - $ref: qcom,lpass-lpi-common.yaml# required: - compatible - reg - clocks - clock-names - - gpio-controller - - '#gpio-cells' - - gpio-ranges -additionalProperties: false +unevaluatedProperties: false examples: - | @@ -130,4 +93,28 @@ examples: gpio-controller; #gpio-cells = <2>; gpio-ranges = <&lpi_tlmm 0 0 14>; + + wsa-swr-active-state { + clk-pins { + pins = "gpio10"; + function = "wsa_swr_clk"; + drive-strength = <2>; + slew-rate = <1>; + bias-disable; + }; + + data-pins { + pins = "gpio11"; + function = "wsa_swr_data"; + drive-strength = <2>; + slew-rate = <1>; + }; + }; + + tx-swr-sleep-clk-state { + pins = "gpio0"; + function = "swr_tx_clk"; + drive-strength = <2>; + bias-pull-down; + }; }; |