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Date: Thu, 06 Oct 2022 09:57:58 +0000 From: Neil Armstrong <neil.armstrong@...aro.org> To: Konrad Dybcio <konrad.dybcio@...ainline.org>, Andy Gross <agross@...nel.org>, Lee Jones <lee@...nel.org>, Bjorn Andersson <andersson@...nel.org>, Linus Walleij <linus.walleij@...aro.org>, Mark Brown <broonie@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Rob Herring <robh+dt@...nel.org>, Liam Girdwood <lgirdwood@...il.com> Cc: linux-gpio@...r.kernel.org, Neil Armstrong <neil.armstrong@...aro.org>, linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org Subject: [PATCH 1/6] dt-bindings: pinctrl: convert qcom,mdm9615-pinctrl.txt to dt-schema Convert the MDM9515 pinctrl bindings to dt-schema. Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org> --- .../bindings/pinctrl/qcom,mdm9615-pinctrl.txt | 161 --------------------- .../bindings/pinctrl/qcom,mdm9615-pinctrl.yaml | 101 +++++++++++++ 2 files changed, 101 insertions(+), 161 deletions(-) diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.txt deleted file mode 100644 index d46973968873..000000000000 --- a/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.txt +++ /dev/null @@ -1,161 +0,0 @@ -Qualcomm MDM9615 TLMM block - -This binding describes the Top Level Mode Multiplexer block found in the -MDM9615 platform. - -- compatible: - Usage: required - Value type: <string> - Definition: must be "qcom,mdm9615-pinctrl" - -- reg: - Usage: required - Value type: <prop-encoded-array> - Definition: the base address and size of the TLMM register space. - -- interrupts: - Usage: required - Value type: <prop-encoded-array> - Definition: should specify the TLMM summary IRQ. - -- interrupt-controller: - Usage: required - Value type: <none> - Definition: identifies this node as an interrupt controller - -- #interrupt-cells: - Usage: required - Value type: <u32> - Definition: must be 2. Specifying the pin number and flags, as defined - in <dt-bindings/interrupt-controller/irq.h> - -- gpio-controller: - Usage: required - Value type: <none> - Definition: identifies this node as a gpio controller - -- #gpio-cells: - Usage: required - Value type: <u32> - Definition: must be 2. Specifying the pin number and flags, as defined - in <dt-bindings/gpio/gpio.h> - -- gpio-ranges: - Usage: required - Definition: see ../gpio/gpio.txt - -- gpio-reserved-ranges: - Usage: optional - Definition: see ../gpio/gpio.txt - -Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for -a general description of GPIO and interrupt bindings. - -Please refer to pinctrl-bindings.txt in this directory for details of the -common pinctrl bindings used by client devices, including the meaning of the -phrase "pin configuration node". - -The pin configuration nodes act as a container for an arbitrary number of -subnodes. Each of these subnodes represents some desired configuration for a -pin, a group, or a list of pins or groups. This configuration can include the -mux function to select on those pin(s)/group(s), and various pin configuration -parameters, such as pull-up, drive strength, etc. - - -PIN CONFIGURATION NODES: - -The name of each subnode is not important; all subnodes should be enumerated -and processed purely based on their content. - -Each subnode only affects those parameters that are explicitly listed. In -other words, a subnode that lists a mux function but no pin configuration -parameters implies no information about any pin configuration parameters. -Similarly, a pin subnode that describes a pullup parameter implies no -information about e.g. the mux function. - - -The following generic properties as defined in pinctrl-bindings.txt are valid -to specify in a pin configuration subnode: - -- pins: - Usage: required - Value type: <string-array> - Definition: List of gpio pins affected by the properties specified in - this subnode. Valid pins are: - gpio0-gpio87 - -- function: - Usage: required - Value type: <string> - Definition: Specify the alternative function to be configured for the - specified pins. - Valid values are: - gpio, gsbi2_i2c, gsbi3, gsbi4, gsbi5_i2c, gsbi5_uart, - sdc2, ebi2_lcdc, ps_hold, prim_audio, sec_audio, - cdc_mclk - -- bias-disable: - Usage: optional - Value type: <none> - Definition: The specified pins should be configured as no pull. - -- bias-pull-down: - Usage: optional - Value type: <none> - Definition: The specified pins should be configured as pull down. - -- bias-pull-up: - Usage: optional - Value type: <none> - Definition: The specified pins should be configured as pull up. - -- output-high: - Usage: optional - Value type: <none> - Definition: The specified pins are configured in output mode, driven - high. - -- output-low: - Usage: optional - Value type: <none> - Definition: The specified pins are configured in output mode, driven - low. - -- drive-strength: - Usage: optional - Value type: <u32> - Definition: Selects the drive strength for the specified pins, in mA. - Valid values are: 2, 4, 6, 8, 10, 12, 14 and 16 - -Example: - - msmgpio: pinctrl@...000 { - compatible = "qcom,mdm9615-pinctrl"; - reg = <0x800000 0x4000>; - - gpio-controller; - #gpio-cells = <2>; - gpio-ranges = <&msmgpio 0 0 88>; - interrupt-controller; - #interrupt-cells = <2>; - interrupts = <0 16 0x4>; - - gsbi8_uart: gsbi8-uart { - mux { - pins = "gpio34", "gpio35"; - function = "gsbi8"; - }; - - tx { - pins = "gpio34"; - drive-strength = <4>; - bias-disable; - }; - - rx { - pins = "gpio35"; - drive-strength = <2>; - bias-pull-up; - }; - }; - }; diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.yaml new file mode 100644 index 000000000000..6a5966fc0098 --- /dev/null +++ b/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.yaml @@ -0,0 +1,101 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pinctrl/qcom,mdm9615-pinctrl.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. MDM9615 TLMM block + +maintainers: + - Bjorn Andersson <andersson@...nel.org> + +description: | + This binding describes the Top Level Mode Multiplexer block found in the + MDM9615 platform. + +allOf: + - $ref: "pinctrl.yaml#" + - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml# + +properties: + compatible: + const: qcom,mdm9615-pinctrl + + reg: + maxItems: 1 + + interrupts: true + interrupt-controller: true + '#interrupt-cells': true + gpio-controller: true + '#gpio-cells': true + gpio-ranges: true + +required: + - compatible + - reg + +additionalProperties: false + +patternProperties: + '-state$': + oneOf: + - $ref: "#/$defs/qcom-mdm9615-pinctrl-state" + - patternProperties: + "-pins$": + $ref: "#/$defs/qcom-mdm9615-pinctrl-state" + +'$defs': + qcom-mdm9615-pinctrl-state: + type: object + description: + Pinctrl node's client devices use subnodes for desired pin configuration. + Client device subnodes use below standard properties. + $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state" + + properties: + pins: + description: + List of gpio pins affected by the properties specified in this + subnode. + items: + oneOf: + - pattern: "^gpio([0-9]|[1-7][0-9]|8[0-7])$" + minItems: 1 + maxItems: 16 + + function: + description: + Specify the alternative function to be configured for the specified + pins. + + enum: [ gpio, gsbi2_i2c, gsbi3, gsbi4, gsbi5_i2c, gsbi5_uart, + sdc2, ebi2_lcdc, ps_hold, prim_audio, sec_audio, cdc_mclk, ] + + bias-disable: true + bias-pull-down: true + bias-pull-up: true + drive-strength: true + output-high: true + output-low: true + input-enable: true + + required: + - pins + - function + + additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + tlmm: pinctrl@...0000 { + compatible = "qcom,mdm9615-pinctrl"; + reg = <0x01000000 0x300000>; + interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>; + gpio-controller; + gpio-ranges = <&msmgpio 0 0 88>; + #gpio-cells = <2>; + interrupt-controller; + #interrupt-cells = <2>; + }; -- b4 0.10.1
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