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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>
This commit is contained in:
Rohit kumar 2020-08-14 16:23:03 +05:30 committed by Mark Brown
parent b05372c84d
commit 2a7a3797ed
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GPG Key ID: 24D68B725D5487D0
1 changed files with 53 additions and 2 deletions
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55
Documentation/devicetree/bindings/sound/qcom,lpass-cpu.txt
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@ -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>;
};
};