blob: 21c648328be9ad20bff726282187c4dc7df9d89d [file] [log] [blame]
b.liue9582032025-04-17 19:18:16 +08001* Qualcomm Technologies LPASS CPU DAI
2
3This node models the Qualcomm Technologies Low-Power Audio SubSystem (LPASS).
4
5Required properties:
6
7- compatible : "qcom,lpass-cpu" or "qcom,apq8016-lpass-cpu"
8- clocks : Must contain an entry for each entry in clock-names.
9- clock-names : A list which must include the following entries:
10 * "ahbix-clk"
11 * "mi2s-osr-clk"
12 * "mi2s-bit-clk"
13 : required clocks for "qcom,lpass-cpu-apq8016"
14 * "ahbix-clk"
15 * "mi2s-bit-clk0"
16 * "mi2s-bit-clk1"
17 * "mi2s-bit-clk2"
18 * "mi2s-bit-clk3"
19 * "pcnoc-mport-clk"
20 * "pcnoc-sway-clk"
21
22- interrupts : Must contain an entry for each entry in
23 interrupt-names.
24- interrupt-names : A list which must include the following entries:
25 * "lpass-irq-lpaif"
26- pinctrl-N : One property must exist for each entry in
27 pinctrl-names. See ../pinctrl/pinctrl-bindings.txt
28 for details of the property values.
29- pinctrl-names : Must contain a "default" entry.
30- reg : Must contain an address for each entry in reg-names.
31- reg-names : A list which must include the following entries:
32 * "lpass-lpaif"
33
34
35
36Optional properties:
37
38- qcom,adsp : Phandle for the audio DSP node
39
40Example:
41
42lpass@28100000 {
43 compatible = "qcom,lpass-cpu";
44 clocks = <&lcc AHBIX_CLK>, <&lcc MI2S_OSR_CLK>, <&lcc MI2S_BIT_CLK>;
45 clock-names = "ahbix-clk", "mi2s-osr-clk", "mi2s-bit-clk";
46 interrupts = <0 85 1>;
47 interrupt-names = "lpass-irq-lpaif";
48 pinctrl-names = "default", "idle";
49 pinctrl-0 = <&mi2s_default>;
50 pinctrl-1 = <&mi2s_idle>;
51 reg = <0x28100000 0x10000>;
52 reg-names = "lpass-lpaif";
53 qcom,adsp = <&adsp>;
54};