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Subject[PATCH v8 2/7] ASoC: dt-bindings: Add dt binding for lpass hdmi
Date
From: V Sujith Kumar Reddy <vsujithk@codeaurora.org>

Adds bindings for lpass hdmi interface
which can support audio path over dp.

Signed-off-by: V Sujith Kumar Reddy <vsujithk@codeaurora.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Srinivasa Rao <srivasam@codeaurora.org>
---
.../devicetree/bindings/sound/qcom,lpass-cpu.yaml | 74 +++++++++++++++-------
1 file changed, 52 insertions(+), 22 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
index 09c9bd2..f6f9fb4 100644
--- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.yaml
@@ -24,9 +24,10 @@ properties:
- qcom,sc7180-lpass-cpu

reg:
- maxItems: 1
+ maxItems: 2
description: LPAIF core registers
-
+ reg-names:
+ maxItems: 2
clocks:
minItems: 3
maxItems: 6
@@ -36,15 +37,16 @@ properties:
maxItems: 6

interrupts:
- maxItems: 1
+ maxItems: 2
description: LPAIF DMA buffer interrupt
-
+ interrupt-names:
+ maxItems: 2
qcom,adsp:
$ref: /schemas/types.yaml#/definitions/phandle
description: Phandle for the audio DSP node

iommus:
- maxItems: 1
+ maxItems: 2
description: Phandle to apps_smmu node with sid mask

power-domains:
@@ -60,10 +62,12 @@ properties:
const: 0

patternProperties:
- "(^mi2s-[0-9a-f]$|mi2s)":
+ "^dai-link@[0-9a-f]$":
type: object
- description: Required properties for each DAI
-
+ description: |
+ LPASS CPU dai node for each I2S device. Bindings of each node
+ depends on the specific driver providing the functionality and
+ properties.
properties:
reg:
maxItems: 1
@@ -85,9 +89,11 @@ patternProperties:
required:
- compatible
- reg
+ - reg-names
- clocks
- clock-names
- interrupts
+ - interrupt-names
- '#sound-dai-cells'

additionalProperties: false
@@ -134,13 +140,32 @@ allOf:
then:
properties:
clock-names:
- items:
- - const: pcnoc-sway-clk
- - const: audio-core
- - const: mclk0
- - const: pcnoc-mport-clk
- - const: mi2s-bit-clk0
- - const: mi2s-bit-clk1
+ oneOf:
+ - items: #for I2S
+ - const: pcnoc-sway-clk
+ - const: audio-core
+ - const: mclk0
+ - const: pcnoc-mport-clk
+ - const: mi2s-bit-clk0
+ - const: mi2s-bit-clk1
+ - items: #for HDMI
+ - const: pcnoc-sway-clk
+ - const: audio-core
+ - const: pcnoc-mport-clk
+ reg-names:
+ anyOf:
+ - items: #for I2S
+ - const: lpass-lpaif
+ - items: #for I2S and HDMI
+ - const: lpass-hdmiif
+ - const: lpass-lpaif
+ interrupt-names:
+ anyOf:
+ - items: #for I2S
+ - const: lpass-irq-lpaif
+ - items: #for I2S and HDMI
+ - const: lpass-irq-lpaif
+ - const: lpass-irq-hdmi
required:
- iommus
- power-domains
@@ -152,12 +177,15 @@ examples:
soc {
#address-cells = <2>;
#size-cells = <2>;
- lpass@62f00000 {
+ lpass@62d80000 {
compatible = "qcom,sc7180-lpass-cpu";

- reg = <0 0x62f00000 0 0x29000>;
-
- iommus = <&apps_smmu 0x1020 0>;
+ reg = <0 0x62d87000 0 0x68000>,
+ <0 0x62f00000 0 0x29000>;
+ reg-names = "lpass-hdmiif",
+ "lpass-lpaif";
+ iommus = <&apps_smmu 0x1020 0>,
+ <&apps_smmu 0x1032 0>;
power-domains = <&lpass_hm 0>;

clocks = <&gcc 131>,
@@ -171,14 +199,16 @@ examples:
"mclk0", "pcnoc-mport-clk",
"mi2s-bit-clk0", "mi2s-bit-clk1";

- interrupts = <0 160 1>;
-
+ interrupts = <0 160 1>,
+ <0 268 1>;
+ interrupt-names = "lpass-irq-lpaif",
+ "lpass-irq-hdmi";
#sound-dai-cells = <1>;

#address-cells = <1>;
#size-cells = <0>;
/* Optional to set different MI2S SD lines */
- mi2s-primary@0 {
+ dai-link@0 {
reg = <MI2S_PRIMARY>;
qcom,playback-sd-lines = <1>;
qcom,capture-sd-lines = <0>;
--
Qualcomm India Private Limited, on behalf of Qualcomm Innovation Center, Inc.,
is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.
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