diff options
| author | Taniya Das <tdas@codeaurora.org> | 2018-11-30 23:51:28 +0530 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2018-12-03 09:25:01 -0800 |
| commit | 8ff1a156cb0b40a267fe7a2c69c06a6d566a7524 (patch) | |
| tree | 2c61704e80beb4bab1cdf755950ddd2dc995854e | |
| parent | 7898e4fef8352ef8a0d2bbd13c10fcc77c38e80e (diff) | |
dt-bindings: clock: Introduce QCOM LPASS clock bindings
Add device tree bindings for Low Power Audio subsystem clock controller for
Qualcomm Technology Inc's SDM845 SoCs.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/clock/qcom,gcc.txt | 4 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/clock/qcom,lpasscc.txt | 26 | ||||
| -rw-r--r-- | include/dt-bindings/clock/qcom,gcc-sdm845.h | 2 | ||||
| -rw-r--r-- | include/dt-bindings/clock/qcom,lpass-sdm845.h | 15 |
4 files changed, 46 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc.txt b/Documentation/devicetree/bindings/clock/qcom,gcc.txt index 5e37de95bfe8..8661c3cd3ccf 100644 --- a/Documentation/devicetree/bindings/clock/qcom,gcc.txt +++ b/Documentation/devicetree/bindings/clock/qcom,gcc.txt @@ -67,5 +67,7 @@ Example of GCC with protected-clocks properties: #power-domain-cells = <1>; protected-clocks = <GCC_QSPI_CORE_CLK>, <GCC_QSPI_CORE_CLK_SRC>, - <GCC_QSPI_CNOC_PERIPH_AHB_CLK>; + <GCC_QSPI_CNOC_PERIPH_AHB_CLK>, + <GCC_LPASS_Q6_AXI_CLK>, + <GCC_LPASS_SWAY_CLK>; }; diff --git a/Documentation/devicetree/bindings/clock/qcom,lpasscc.txt b/Documentation/devicetree/bindings/clock/qcom,lpasscc.txt new file mode 100644 index 000000000000..b9e9787045b9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,lpasscc.txt @@ -0,0 +1,26 @@ +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, + in the order + Index-0 maps to LPASS_CC register region + Index-1 maps to LPASS_QDSP6SS register region + +Optional properties : +- reg-names : register names of LPASS domain + "cc", "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@17014000 { + compatible = "qcom,sdm845-lpasscc"; + reg = <0x17014000 0x1f004>, <0x17300000 0x200>; + reg-names = "cc", "qdsp6ss"; + #clock-cells = <1>; + }; diff --git a/include/dt-bindings/clock/qcom,gcc-sdm845.h b/include/dt-bindings/clock/qcom,gcc-sdm845.h index b8eae5a76503..968fa65b9c42 100644 --- a/include/dt-bindings/clock/qcom,gcc-sdm845.h +++ b/include/dt-bindings/clock/qcom,gcc-sdm845.h @@ -197,6 +197,8 @@ #define GCC_QSPI_CORE_CLK_SRC 187 #define GCC_QSPI_CORE_CLK 188 #define GCC_QSPI_CNOC_PERIPH_AHB_CLK 189 +#define GCC_LPASS_Q6_AXI_CLK 190 +#define GCC_LPASS_SWAY_CLK 191 /* GCC Resets */ #define GCC_MMSS_BCR 0 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 000000000000..659050846f61 --- /dev/null +++ b/include/dt-bindings/clock/qcom,lpass-sdm845.h @@ -0,0 +1,15 @@ +/* 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 LPASS_Q6SS_AHBM_AON_CLK 0 +#define LPASS_Q6SS_AHBS_AON_CLK 1 +#define LPASS_QDSP6SS_XO_CLK 2 +#define LPASS_QDSP6SS_SLEEP_CLK 3 +#define LPASS_QDSP6SS_CORE_CLK 4 + +#endif |