Add bindings for QCOM PMIC PWM modules which are accessed through SPMI bus. Signed-off-by: Fenglin Wu <fenglinw@xxxxxxxxxxxxxx> --- .../devicetree/bindings/pwm/pwm-qcom.yaml | 51 ++++++++++++++++++++++ 1 file changed, 51 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-qcom.yaml diff --git a/Documentation/devicetree/bindings/pwm/pwm-qcom.yaml b/Documentation/devicetree/bindings/pwm/pwm-qcom.yaml new file mode 100644 index 0000000..e8d8ed6 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/pwm-qcom.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/pwm-qcom.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Technologies, Inc. PMIC PWM bindings + +maintainers: + - Fenglin Wu <fenglinw@xxxxxxxxxxxxxx> + +description: + PWM modules inside Qualcomm Technologies, Inc. PMICs can be accessed through + SPMI bus and normally one PMIC would have multiple PWM modules with adjacent + SPMI address space. + +Properties: + compatible: + const: qcom,pwm + + reg: + description: + The SPMI address base of the PWM module, if there are multiple PWM + modules present with adjacent SPMI address space, only need to specify + the address base of the 1st PWM module. + + "#pwm-cells": + # See pwm.yaml in this directory for a description of the cells format. + const: 2 + + qcom,num-channels: + description: + The number of the PWM channels (modules) with the adjacent SPMI address + space following the address base in "reg" property. + +required: + - compatible + - reg + - "#pwm-cells" + - qcom,num-channels + +additionalProperties: false + +examples: + - | + pm8350c_pwm: pwms@e800 { + compatible = "qcom,pwm"; + reg = <0xe800>; + #pwm-cells = <2>; + qcom,num-channels = <4>; + }; -- Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project.
