The LPASS (Low Power Audio Subsystem) clock controller provides reset support when it is under the control of Q6DSP. Add support for those resets and adds IDs for clients to request the reset. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> --- .../bindings/clock/qcom,sc8280xp-lpasscc.yaml | 57 +++++++++++++++++++ .../dt-bindings/clock/qcom,lpasscc-sc8280xp.h | 12 ++++ 2 files changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml create mode 100644 include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h diff --git a/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml new file mode 100644 index 000000000000..08a9ae60a365 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,sc8280xp-lpasscc.yaml @@ -0,0 +1,57 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,sc8280xp-lpasscc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm LPASS Core & Audio Clock Controller on SC8280XP + +maintainers: + - Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx> + +description: | + Qualcomm LPASS core and audio clock control module provides the clocks, + and reset on SC8280XP. + + See also:: + include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h + +properties: + reg: true + + compatible: + enum: + - qcom,sc8280xp-lpasscc + + qcom,adsp-pil-mode: + description: + Indicates if the LPASS would be brought out of reset using + peripheral loader. + type: boolean + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + +required: + - compatible + - reg + - qcom,adsp-pil-mode + - '#reset-cells' + - '#clock-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,lpasscc-sc8280xp.h> + lpasscc: clock-controller@33e0000 { + compatible = "qcom,sc8280xp-lpasscc"; + reg = <0x033e0000 0x12000>; + qcom,adsp-pil-mode; + #reset-cells = <1>; + #clock-cells = <1>; + }; +... diff --git a/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h new file mode 100644 index 000000000000..df800ea2741c --- /dev/null +++ b/include/dt-bindings/clock/qcom,lpasscc-sc8280xp.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2023, Linaro Ltd. + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H +#define _DT_BINDINGS_CLK_QCOM_LPASSCC_SC8280XP_H + +/* LPASS TCSR */ +#define LPASS_AUDIO_SWR_TX_CGCR 0 + +#endif -- 2.21.0
