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authorRohit kumar <rohitkr@codeaurora.org>2020-08-14 13:53:03 +0300
committerMark Brown <broonie@kernel.org>2020-08-17 16:39:34 +0300
commit2a7a3797ed2de6a55e1467bd11002fa7b13e12f3 (patch)
treec70625a798c34d8be4eece96ea25f863f7fc478a /Documentation
parentb05372c84d61ad2a905274db7e3d63a65c835463 (diff)
downloadlinux-2a7a3797ed2de6a55e1467bd11002fa7b13e12f3.tar.xz
ASoC: Add sc7180 lpass cpu node
Add dt-bindings to support "qcom,lpass-cpu-sc7180" node. Signed-off-by: Rohit kumar <rohitkr@codeaurora.org> Link: https://lore.kernel.org/r/1597402388-14112-8-git-send-email-rohitkr@codeaurora.org Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt55
1 files 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 32c2cdb3d32f..c07202c40e4d 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,sc7180-lpass-cpu"
- 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,sc7180-lpass-cpu";
+
+ 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>;
+ };
+};