0001 # SPDX-License-Identifier: GPL-2.0
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/iio/adc/rockchip-saradc.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Rockchip Successive Approximation Register (SAR) A/D Converter
0008
0009 maintainers:
0010 - Heiko Stuebner <heiko@sntech.de>
0011
0012 properties:
0013 compatible:
0014 oneOf:
0015 - const: rockchip,saradc
0016 - const: rockchip,rk3066-tsadc
0017 - const: rockchip,rk3399-saradc
0018 - items:
0019 - enum:
0020 - rockchip,px30-saradc
0021 - rockchip,rk3308-saradc
0022 - rockchip,rk3328-saradc
0023 - rockchip,rk3568-saradc
0024 - rockchip,rv1108-saradc
0025 - const: rockchip,rk3399-saradc
0026
0027 reg:
0028 maxItems: 1
0029
0030 interrupts:
0031 maxItems: 1
0032
0033 clocks:
0034 items:
0035 - description: converter clock
0036 - description: peripheral clock
0037
0038 clock-names:
0039 items:
0040 - const: saradc
0041 - const: apb_pclk
0042
0043 resets:
0044 maxItems: 1
0045
0046 reset-names:
0047 const: saradc-apb
0048
0049 vref-supply:
0050 description:
0051 The regulator supply for the ADC reference voltage.
0052
0053 "#io-channel-cells":
0054 const: 1
0055
0056 required:
0057 - compatible
0058 - reg
0059 - interrupts
0060 - clocks
0061 - clock-names
0062 - vref-supply
0063 - "#io-channel-cells"
0064
0065 additionalProperties: false
0066
0067 examples:
0068 - |
0069 #include <dt-bindings/clock/rk3288-cru.h>
0070 #include <dt-bindings/interrupt-controller/arm-gic.h>
0071 saradc: saradc@2006c000 {
0072 compatible = "rockchip,saradc";
0073 reg = <0x2006c000 0x100>;
0074 interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
0075 clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
0076 clock-names = "saradc", "apb_pclk";
0077 resets = <&cru SRST_SARADC>;
0078 reset-names = "saradc-apb";
0079 vref-supply = <&vcc18>;
0080 #io-channel-cells = <1>;
0081 };