Add device tree bindings for graphics clock controller for Qualcomm Technology Inc's QCM2290 SoCs. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- .../bindings/clock/qcom,qcm2290-gpucc.yaml | 77 ++++++++++++++++++++++ include/dt-bindings/clock/qcom,qcm2290-gpucc.h | 32 +++++++++ 2 files changed, 109 insertions(+) diff --git a/Documentation/devicetree/bindings/clock/qcom,qcm2290-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,qcm2290-gpucc.yaml new file mode 100644 index 000000000000..734880805c1b --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,qcm2290-gpucc.yaml @@ -0,0 +1,77 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,qcm2290-gpucc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Graphics Clock & Reset Controller on QCM2290 + +maintainers: + - Konrad Dybcio <konradybcio@xxxxxxxxxx> + +description: | + Qualcomm graphics clock control module provides the clocks, resets and power + domains on Qualcomm SoCs. + + See also:: + include/dt-bindings/clock/qcom,qcm2290-gpucc.h + +properties: + compatible: + const: qcom,qcm2290-gpucc + + reg: + maxItems: 1 + + clocks: + items: + - description: AHB interface clock, + - description: SoC CXO clock + - description: GPLL0 main branch source + - description: GPLL0 div branch source + + power-domains: + description: + A phandle and PM domain specifier for the CX power domain. + maxItems: 1 + + required-opps: + description: + A phandle to an OPP node describing required CX performance point. + maxItems: 1 + +required: + - compatible + - clocks + - power-domains + +allOf: + - $ref: qcom,gcc.yaml# + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-qcm2290.h> + #include <dt-bindings/clock/qcom,rpmcc.h> + #include <dt-bindings/power/qcom-rpmpd.h> + + soc { + #address-cells = <2>; + #size-cells = <2>; + + clock-controller@5990000 { + compatible = "qcom,qcm2290-gpucc"; + reg = <0x0 0x05990000 0x0 0x9000>; + clocks = <&gcc GCC_GPU_CFG_AHB_CLK>, + <&rpmcc RPM_SMD_XO_CLK_SRC>, + <&gcc GCC_GPU_GPLL0_CLK_SRC>, + <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>; + power-domains = <&rpmpd QCM2290_VDDCX>; + required-opps = <&rpmpd_opp_low_svs>; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; + }; +... diff --git a/include/dt-bindings/clock/qcom,qcm2290-gpucc.h b/include/dt-bindings/clock/qcom,qcm2290-gpucc.h new file mode 100644 index 000000000000..7c76dd05278f --- /dev/null +++ b/include/dt-bindings/clock/qcom,qcm2290-gpucc.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * Copyright (c) 2018-2019, The Linux Foundation. All rights reserved. + * Copyright (c) 2024, Linaro Limited + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_QCM2290_H +#define _DT_BINDINGS_CLK_QCOM_GPU_CC_QCM2290_H + +/* GPU_CC clocks */ +#define GPU_CC_AHB_CLK 0 +#define GPU_CC_CRC_AHB_CLK 1 +#define GPU_CC_CX_GFX3D_CLK 2 +#define GPU_CC_CX_GMU_CLK 3 +#define GPU_CC_CX_SNOC_DVM_CLK 4 +#define GPU_CC_CXO_AON_CLK 5 +#define GPU_CC_CXO_CLK 6 +#define GPU_CC_GMU_CLK_SRC 7 +#define GPU_CC_GX_GFX3D_CLK 8 +#define GPU_CC_GX_GFX3D_CLK_SRC 9 +#define GPU_CC_PLL0 10 +#define GPU_CC_SLEEP_CLK 11 +#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK 12 + +/* Resets */ +#define GPU_GX_BCR 0 + +/* GDSCs */ +#define GPU_CX_GDSC 0 +#define GPU_GX_GDSC 1 + +#endif -- 2.45.2
