From d93de07a12e8b00e99ff9d7522c326ba6a5747c0 Mon Sep 17 00:00:00 2001 From: Baolin Wang Date: Thu, 21 Jun 2018 11:14:04 +0800 Subject: [PATCH] dt-bindings: iio: Add Spreadtrum SC27XX PMICs ADC controller documentation This patch adds the binding documentation for Spreadtrum SC27XX series PMICs ADC controller device. Signed-off-by: Baolin Wang Reviewed-by: Rob Herring Signed-off-by: Jonathan Cameron --- .../bindings/iio/adc/sprd,sc27xx-adc.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt diff --git a/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt new file mode 100644 index 000000000000..8aad960de50b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/sprd,sc27xx-adc.txt @@ -0,0 +1,36 @@ +Spreadtrum SC27XX series PMICs ADC binding + +Required properties: +- compatible: Should be one of the following. + "sprd,sc2720-adc" + "sprd,sc2721-adc" + "sprd,sc2723-adc" + "sprd,sc2730-adc" + "sprd,sc2731-adc" +- reg: The address offset of ADC controller. +- interrupt-parent: The interrupt controller. +- interrupts: The interrupt number for the ADC device. +- #io-channel-cells: Number of cells in an IIO specifier. +- hwlocks: Reference to a phandle of a hwlock provider node. + +Example: + + sc2731_pmic: pmic@0 { + compatible = "sprd,sc2731"; + reg = <0>; + spi-max-frequency = <26000000>; + interrupts = ; + interrupt-controller; + #interrupt-cells = <2>; + #address-cells = <1>; + #size-cells = <0>; + + pmic_adc: adc@480 { + compatible = "sprd,sc2731-adc"; + reg = <0x480>; + interrupt-parent = <&sc2731_pmic>; + interrupts = <0 IRQ_TYPE_LEVEL_HIGH>; + #io-channel-cells = <1>; + hwlocks = <&hwlock 4>; + }; + }; -- 2.11.0