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authorSrinivas Kandagatla <srinivas.kandagatla@linaro.org>2020-10-26 12:02:19 +0000
committerStephen Boyd <sboyd@kernel.org>2020-11-04 18:34:54 -0800
commit7dbe5a7a3f990d642a3166b5d161db429d9f7271 (patch)
treed3ce714d691231d2c398af329f1e8f5e098c8206
parentdt-bindings: clock: Add support for LPASS Audio Clock Controller (diff)
downloadlinux-dev-7dbe5a7a3f990d642a3166b5d161db429d9f7271.tar.xz
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dt-bindings: clock: Add support for LPASS Always ON Controller
Always ON Clock controller is a block inside LPASS which controls 1 Glitch free muxes to LPASS codec Macros. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20201026120221.18984-3-srinivas.kandagatla@linaro.org Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
-rw-r--r--Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml58
-rw-r--r--include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h11
2 files changed, 69 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml b/Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml
new file mode 100644
index 000000000000..c40a74b5d672
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/qcom,aoncc-sm8250.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/qcom,aoncc-sm8250.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Clock bindings for LPASS Always ON Clock Controller on SM8250 SoCs
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description: |
+ The clock consumer should specify the desired clock by having the clock
+ ID in its "clocks" phandle cell.
+ See include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h for the full list
+ of Audio Clock controller clock IDs.
+
+properties:
+ compatible:
+ const: qcom,sm8250-lpass-aon
+
+ reg:
+ maxItems: 1
+
+ '#clock-cells':
+ const: 1
+
+ clocks:
+ items:
+ - description: LPASS Core voting clock
+ - description: Glitch Free Mux register clock
+
+ clock-names:
+ items:
+ - const: core
+ - const: bus
+
+required:
+ - compatible
+ - reg
+ - '#clock-cells'
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/qcom,sm8250-lpass-aoncc.h>
+ #include <dt-bindings/sound/qcom,q6afe.h>
+ clock-controller@3800000 {
+ #clock-cells = <1>;
+ compatible = "qcom,sm8250-lpass-aon";
+ reg = <0x03380000 0x40000>;
+ clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
+ <&q6afecc LPASS_CLK_ID_TX_CORE_MCLK LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+ clock-names = "core", "bus";
+ };
diff --git a/include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h b/include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h
new file mode 100644
index 000000000000..f5a1cfac8612
--- /dev/null
+++ b/include/dt-bindings/clock/qcom,sm8250-lpass-aoncc.h
@@ -0,0 +1,11 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _DT_BINDINGS_CLK_LPASS_AONCC_SM8250_H
+#define _DT_BINDINGS_CLK_LPASS_AONCC_SM8250_H
+
+/* from AOCC */
+#define LPASS_CDC_VA_MCLK 0
+#define LPASS_CDC_TX_NPL 1
+#define LPASS_CDC_TX_MCLK 2
+
+#endif /* _DT_BINDINGS_CLK_LPASS_AONCC_SM8250_H */