On Fri, Jul 27, 2018 at 01:17:57PM +0100, Srinivas Kandagatla wrote:
This patch adds bindings for wcd9335 audio codec which can support both SLIMbus and I2S/I2C interface.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org
.../devicetree/bindings/sound/qcom,wcd9335.txt | 123 +++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/qcom,wcd9335.txt
diff --git a/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt new file mode 100644 index 000000000000..1d8d49e30af7 --- /dev/null +++ b/Documentation/devicetree/bindings/sound/qcom,wcd9335.txt @@ -0,0 +1,123 @@ +QCOM WCD9335 Codec
+Qualcomm WCD9335 Codec is a standalone Hi-Fi audio codec IC, supports +Qualcomm Technologies, Inc. (QTI) multimedia solutions, including +the MSM8996, MSM8976, and MSM8956 chipsets. It has in-built +Soundwire controller, interrupt mux. It supports both I2S/I2C and +SLIMbus audio interfaces.
+Required properties with SLIMbus Interface:
+- compatible:
- Usage: required
- Value type: <stringlist>
- Definition: For SLIMbus interface it should be "slimMID,PID",
textual representation of Manufacturer ID, Product Code,shall be in lower case hexadecimal with leading zeroessuppressed. Refer to slimbus/bus.txt for details.Should be:"slim217,1a0" for MSM8996 and APQ8096 SoCs with SLIMbus.+- reg
- Usage: required
- Value type: <u32 u32>
- Definition: Should be ('Device index', 'Instance ID')
+- interrupts
- Usage: required
- Value type: <prop-encoded-array>
- Definition: Interrupts via WCD INTR1 and INTR2 pins
+- interrupt-names:
- Usage: required
- Value type: <String array>
- Definition: Interrupt names of WCD INTR1 and INTR2
- Should be: "intr1", "intr2"
+- reset-gpio:
reset-gpios
- Usage: required
- Value type: <String Array>
- Definition: Reset gpio line
+- qcom,ifd:
- Usage: required
- Value type: <phandle>
- Definition: SLIM interface device
Wouldn't this be the parent?
+- clocks:
- Usage: required
- Value type: <prop-encoded-array>
- Definition: See clock-bindings.txt section "consumers". List of
three clock specifiers for mclk, mclk2 and slimbus clock.+- clock-names:
- Usage: required
- Value type: <string>
- Definition: Must contain "mclk", "mclk2" and "slimbus" strings.
+- vdd-buck-supply:
- Usage: required
- Value type: <phandle>
- Definition: Should contain a reference to the 1.8V buck supply
+- vdd-buck-sido-supply:
- Usage: required
- Value type: <phandle>
- Definition: Should contain a reference to the 1.8V SIDO buck supply
+- vdd-rx-supply:
- Usage: required
- Value type: <phandle>
- Definition: Should contain a reference to the 1.8V rx supply
+- vdd-tx-supply:
- Usage: required
- Value type: <phandle>
- Definition: Should contain a reference to the 1.8V tx supply
+- vdd-vbat-supply:
- Usage: Optional
- Value type: <phandle>
- Definition: Should contain a reference to the vbat supply
+- vdd-micbias-supply:
- Usage: required
- Value type: <phandle>
- Definition: Should contain a reference to the micbias supply
+- vdd-io-supply:
- Usage: required
- Value type: <phandle>
- Definition: Should contain a reference to the 1.8V io supply
+- interrupt-controller:
- Usage: required
- Definition: Indicating that this is a interrupt controller
+- #interrupt-cells:
- Usage: required
- Value type: <int>
- Definition: should be 1
+#sound-dai-cells
- Usage: required
- Value type: <u32>
- Definition: Must be 1
+codec@1{
audio-codec@1
- compatible = "slim217,1a0";
- reg = <1 0>;
- interrupts = <&msmgpio 54 IRQ_TYPE_LEVEL_HIGH>;
- interrupt-names = "intr2"
- reset-gpio = <&msmgpio 64 0>;
- qcom,ifd = <&wc9335_ifd>;
- clock-names = "mclk", "native";
- clocks = <&rpmcc RPM_SMD_DIV_CLK1>,
<&rpmcc RPM_SMD_BB_CLK1>;- vdd-buck-supply = <&pm8994_s4>;
- vdd-rx-supply = <&pm8994_s4>;
- vdd-buck-sido-supply = <&pm8994_s4>;
- vdd-tx-supply = <&pm8994_s4>;
- vdd-io-supply = <&pm8994_s4>;
- #sound-dai-cells = <1>;
+}
2.16.2