diff options
Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml | 59 |
1 files changed, 44 insertions, 15 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml index 3694795ec793..1eefa9aa6a86 100644 --- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml @@ -4,15 +4,14 @@ $id: http://devicetree.org/schemas/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# -title: Qualcomm Technologies, Inc. Low Power Audio SubSystem (LPASS) - Low Power Island (LPI) TLMM block +title: Qualcomm SM8450 SoC LPASS LPI TLMM maintainers: - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> -description: | - This binding describes the Top Level Mode Multiplexer block found in the - LPASS LPI IP on most Qualcomm SoCs +description: + Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem + (LPASS) Low Power Island (LPI) of Qualcomm SM8450 SoC. properties: compatible: @@ -21,7 +20,7 @@ properties: reg: items: - description: LPASS LPI TLMM Control and Status registers - - description: LPASS LPI pins SLEW registers + - description: LPASS LPI MCC registers clocks: items: @@ -35,7 +34,7 @@ properties: gpio-controller: true - '#gpio-cells': + "#gpio-cells": description: Specifying the pin number and flags, as defined in include/dt-bindings/gpio/gpio.h const: 2 @@ -43,9 +42,17 @@ properties: gpio-ranges: maxItems: 1 -#PIN CONFIGURATION NODES patternProperties: - '-pins$': + "-state$": + oneOf: + - $ref: "#/$defs/qcom-sm8450-lpass-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-sm8450-lpass-state" + additionalProperties: false + +$defs: + qcom-sm8450-lpass-state: type: object description: Pinctrl node's client devices use subnodes for desired pin configuration. @@ -58,7 +65,7 @@ patternProperties: List of gpio pins affected by the properties specified in this subnode. items: - pattern: "^gpio([0-9]|[1-2][0-9]])$" + pattern: "^gpio([0-9]|1[0-9]|2[0-2])$" function: enum: [ swr_tx_clk, swr_tx_data, swr_rx_clk, swr_rx_data, @@ -89,14 +96,12 @@ patternProperties: 2: Lower Slew rate (slower edges) 3: Reserved (No adjustments) + bias-bus-hold: true bias-pull-down: true - bias-pull-up: true - bias-disable: true - + input-enable: true output-high: true - output-low: true required: @@ -114,7 +119,7 @@ required: - clocks - clock-names - gpio-controller - - '#gpio-cells' + - "#gpio-cells" - gpio-ranges additionalProperties: false @@ -132,4 +137,28 @@ examples: gpio-controller; #gpio-cells = <2>; gpio-ranges = <&lpi_tlmm 0 0 23>; + + 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; + }; }; |