Add device tree bindings for Low Power Audio subsystem clock controller for Qualcomm Technology Inc's SDM845 SoCs.
Signed-off-by: Taniya Das <[email protected]> --- .../devicetree/bindings/clock/qcom,lpasscc.txt | 22 ++++++++++++++++++++++ include/dt-bindings/clock/qcom,lpass-sdm845.h | 18 ++++++++++++++++++ 2 files changed, 40 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,lpasscc.txt create mode 100644 include/dt-bindings/clock/qcom,lpass-sdm845.h diff --git a/Documentation/devicetree/bindings/clock/qcom,lpasscc.txt b/Documentation/devicetree/bindings/clock/qcom,lpasscc.txt new file mode 100644 index 0000000..fe7378b --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,lpasscc.txt @@ -0,0 +1,22 @@ +Qualcomm LPASS Clock Controller Binding +----------------------------------------------- + +Required properties : +- compatible : shall contain "qcom,sdm845-lpasscc" +- #clock-cells : from common clock binding, shall contain 1. +- reg : shall contain base register address and size. +- reg-names : shall contain the register names of LPASS domain + "lpass_gcc", "lpass_cc", "lpass_qdsp6ss". + +Example: + +The below node has to be defined in the cases where the LPASS peripheral loader +would bring the subsystem out of reset. + + lpasscc: clock-controller { + compatible = "qcom,sdm845-lpasscc"; + reg = <0x00147000 0x20>, <0x17014000 0x1f004>, + <0x17300020 0x20>; + reg-names = "lpass_gcc", "lpass_cc", "lpass_qdsp6ss"; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/qcom,lpass-sdm845.h b/include/dt-bindings/clock/qcom,lpass-sdm845.h new file mode 100644 index 0000000..b9d816e --- /dev/null +++ b/include/dt-bindings/clock/qcom,lpass-sdm845.h @@ -0,0 +1,18 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2018, The Linux Foundation. All rights reserved. + */ + +#ifndef _DT_BINDINGS_CLK_SDM_LPASS_SDM845_H +#define _DT_BINDINGS_CLK_SDM_LPASS_SDM845_H + +#define GCC_LPASS_Q6_AXI_CLK 0 +#define GCC_LPASS_SWAY_CLK 1 +#define LPASS_AUDIO_WRAPPER_AON_CLK 2 +#define LPASS_Q6SS_AHBM_AON_CLK 3 +#define LPASS_Q6SS_AHBS_AON_CLK 4 +#define LPASS_QDSP6SS_XO_CLK 5 +#define LPASS_QDSP6SS_SLEEP_CLK 6 +#define LPASS_QDSP6SS_CORE_CLK 7 + +#endif -- Qualcomm INDIA, on behalf of Qualcomm Innovation Center, Inc.is a member of the Code Aurora Forum, hosted by the Linux Foundation.
