[PATCH v4 07/12] dt-bindings: sound: lpass-cpu: Add sc7180 lpass cpu node

Rohit kumar
2020-07-22T10:33:30Z

Add dt-bindings to support "qcom,lpass-cpu-sc7180" node.

Signed-off-by: Rohit kumar <rohitkr@codeaurora.org>
---
.../devicetree/bindings/sound/qcom,lpass-cpu.txt | 55 +++++++++++++++++++++-
1 file changed, 53 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
index 32c2cdb..c21392e 100644
--- a/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
+++ b/Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
@@ -4,7 +4,8 @@ This node models the Qualcomm Technologies Low-Power Audio SubSystem (LPASS).

Required properties:

-- compatible : "qcom,lpass-cpu" or "qcom,apq8016-lpass-cpu"
+- compatible : "qcom,lpass-cpu" or "qcom,apq8016-lpass-cpu" or
+ "qcom,lpass-cpu-sc7180"
- clocks : Must contain an entry for each entry in clock-names.
- clock-names : A list which must include the following entries:
* "ahbix-clk"
@@ -18,6 +19,13 @@ Required properties:
* "mi2s-bit-clk3"
* "pcnoc-mport-clk"
* "pcnoc-sway-clk"
+ : required clocks for "qcom,lpass-cpu-sc7180"
+ * "audio-core"
+ * "mclk0"
+ * "mi2s-bit-clk0"
+ * "mi2s-bit-clk1"
+ * "pcnoc-sway-clk"
+ * "pcnoc-mport-clk"

- interrupts : Must contain an entry for each entry in
interrupt-names.
@@ -53,7 +61,8 @@ Required properties for each DAI (represented by a subnode):
Note that adding a subnode changes the default to "no lines configured",
so both playback and capture lines should be configured when a subnode is added.

-Example:
+Examples:
+1)

lpass@28100000 {
compatible = "qcom,lpass-cpu";
@@ -77,3 +86,45 @@ lpass@28100000 {
qcom,playback-sd-lines = <0 1>;
};
};
+
+2)
+
+#include <dt-bindings/sound/sc7180-lpass.h>
+
+lpass_cpu: lpass {
+ compatible = "qcom,lpass-cpu-sc7180";
+
+ reg = <0 0x62F00000 0 0x29000>;
+
+ iommus = <&apps_smmu 0x1020 0>;
+
+ power-domains = <&lpass_hm LPASS_CORE_HM_GDSCR>;
+ clocks = <&gcc GCC_LPASS_CFG_NOC_SWAY_CLK>,
+ <&lpasscorecc LPASS_AUDIO_CORE_CORE_CLK>,
+ <&lpasscorecc LPASS_AUDIO_CORE_EXT_MCLK0_CLK>,
+ <&lpasscorecc LPASS_AUDIO_CORE_SYSNOC_MPORT_CORE_CLK>,
+ <&lpasscorecc LPASS_AUDIO_CORE_LPAIF_PRI_IBIT_CLK>,
+ <&lpasscorecc LPASS_AUDIO_CORE_LPAIF_SEC_IBIT_CLK>;
+ clock-names = "pcnoc-sway-clk", "audio-core",
+ "mclk0", "pcnoc-mport-clk",
+ "mi2s-bit-clk0", "mi2s-bit-clk1";
+ interrupts = <0 160 IRQ_TYPE_LEVEL_HIGH>;
+ interrupt-names = "lpass-irq-lpaif";
+
+
+ #sound-dai-cells = <1>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ mi2s-primary@0 {
+ reg = <MI2S_PRIMARY>;
+ qcom,playback-sd-lines = <1>;
+ qcom,capture-sd-lines = <0>;
+ };
+
+ mi2s-secondary@1 {
+ reg = <MI2S_SECONDARY>;
+ qcom,playback-sd-lines = <0>;
+ };
+};
--
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is a member of Code Aurora Forum, a Linux Foundation Collaborative Project.