From: Kenneth Westfield <kwestfie@xxxxxxxxxxxxxx>
Add documentation to the sound directory of the
device-tree bindings for the IPQ806x LPASS CPU DAI
driver.
Signed-off-by: Kenneth Westfield <kwestfie@xxxxxxxxxxxxxx>
Acked-by: Banajit Goswami <bgoswami@xxxxxxxxxxxxxx>
---
.../bindings/sound/qcom,lpass-cpu-mi2s.txt | 42 ++++++++++++++++++++++
1 file changed, 42 insertions(+)
create mode 100644 Documentation/devicetree/bindings/sound/qcom,lpass-cpu-mi2s.txt
diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu-mi2s.txt b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu-mi2s.txt
new file mode 100644
index 0000000000000000000000000000000000000000..b411adffb8ce8759ba70334e30b597206735b25f
--- /dev/null
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu-mi2s.txt
@@ -0,0 +1,42 @@
+* Qualcomm Technologies IPQ806x LPASS DAI
+
+This node models the Qualcomm Technologies IPQ806x LPASS MI2S DAI port.
+
+Required properties:
+- compatible: "qcom,lpass-cpu-mi2s"
+- clocks : A list of clock specifiers for the audio interface
+ * AHBIX bus clock
+ * MI2S OSR clock
+ * MI2S Bit clock
+- clock-names : A list of audio interface clock names
+ * ahbix_clk
+ * mi2s_osr_clk
+ * mi2s_bit_clk
+- ahbix-frequency : Specifies AHBIX bus clock frequency
+- interrupts : Phandle to the LPASS audio interface interrupt
+- interrupt-names : The name of the LPASS audio interface interrupt
+ * lpass-lpaif-irq
+- pinctrl-names : A list of names indicating the state of the MI2S pins
+ * default
+ * idle
+- pinctrl-0 : The default state of the MI2S pins
+- pinctrl-1 : The idle state of the MI2S pins
+- reg : Address space for the LPASS audio interface registers
+- reg-names : The name of the LPASS audio interface register address space
+ * lpass-lpaif-mem
+
+Example:
+
+lpass-cpu-mi2s {
+ compatible = "qcom,lpass-cpu-mi2s";
+ clocks = <&lcc AHBIX_CLK>, <&lcc MI2S_OSR_CLK>, <&lcc MI2S_BIT_CLK>;
+ clock-names = "ahbix_clk", "mi2s_osr_clk", "mi2s_bit_clk";
+ ahbix-clkfrq = <300000>;
+ interrupts = <0 85 1>;
+ interrupt-names = "lpass-lpaif-irq";
+ pinctrl-names = "default", "idle";
+ pinctrl-0 = <&mi2s_default>;
+ pinctrl-1 = <&mi2s_idle>;
+ reg = <0x28100000 0x10000>;
+ reg-names = "lpass-lpaif-mem";
+};
--
1.8.2.1
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