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author | Rohit kumar <rohitkr@codeaurora.org> | 2020-08-14 13:53:03 +0300 |
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committer | Mark Brown <broonie@kernel.org> | 2020-08-17 16:39:34 +0300 |
commit | 2a7a3797ed2de6a55e1467bd11002fa7b13e12f3 (patch) | |
tree | c70625a798c34d8be4eece96ea25f863f7fc478a /Documentation | |
parent | b05372c84d61ad2a905274db7e3d63a65c835463 (diff) | |
download | linux-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.txt | 55 |
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>; + }; +}; |