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Diffstat (limited to 'Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml')
-rw-r--r-- | Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml new file mode 100644 index 0000000000..00c5a00e35 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml @@ -0,0 +1,134 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm SC7280 SoC LPASS LPI TLMM + +maintainers: + - Srinivas Kandagatla <srinivas.kandagatla@linaro.org> + +description: + Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem + (LPASS) Low Power Island (LPI) of Qualcomm SC7280 SoC. + +properties: + compatible: + const: qcom,sc7280-lpass-lpi-pinctrl + + reg: + maxItems: 2 + + 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 + +patternProperties: + "-state$": + oneOf: + - $ref: "#/$defs/qcom-sc7280-lpass-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-sc7280-lpass-state" + additionalProperties: false + +$defs: + qcom-sc7280-lpass-state: + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: /schemas/pinctrl/pincfg-node.yaml + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + oneOf: + - pattern: "^gpio([0-9]|1[0-4])$" + minItems: 1 + maxItems: 15 + + function: + enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws, + qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk, + dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data, + i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk, + dmic3_data, i2s2_data ] + description: + 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-bus-hold: true + bias-disable: true + output-high: true + output-low: true + + required: + - pins + - function + + additionalProperties: false + +required: + - compatible + - reg + - gpio-controller + - "#gpio-cells" + - gpio-ranges + +additionalProperties: false + +examples: + - | + lpass_tlmm: pinctrl@33c0000 { + compatible = "qcom,sc7280-lpass-lpi-pinctrl"; + reg = <0x33c0000 0x20000>, + <0x3550000 0x10000>; + gpio-controller; + #gpio-cells = <2>; + gpio-ranges = <&lpass_tlmm 0 0 15>; + + dmic01-state { + dmic01-clk-pins { + pins = "gpio6"; + function = "dmic1_clk"; + }; + + dmic01-clk-sleep-pins { + pins = "gpio6"; + function = "dmic1_clk"; + }; + }; + + tx-swr-data-sleep-state { + pins = "gpio1", "gpio2", "gpio14"; + function = "swr_tx_data"; + }; + }; |