Add device tree bindings for graphics clock controller for Qualcomm Technology Inc's SM8250 SoCs. Signed-off-by: Jonathan Marek <jonathan@xxxxxxxx> --- .../bindings/clock/qcom,sm8250-gpucc.yaml | 74 +++++++++++++++++++ include/dt-bindings/clock/qcom,gpucc-sm8250.h | 40 ++++++++++ 2 files changed, 114 insertions(+) create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm8250-gpucc.yaml create mode 100644 include/dt-bindings/clock/qcom,gpucc-sm8250.h diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8250-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8250-gpucc.yaml new file mode 100644 index 000000000000..2b9c8f97b76d --- /dev/null +++ b/Documentation/devicetree/bindings/clock/qcom,sm8250-gpucc.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/qcom,sm8250-gpucc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Graphics Clock & Reset Controller Binding for SM8250 + +maintainers: + - + +description: | + Qualcomm graphics clock control module which supports the clocks, resets and + power domains on SM8250. + + See also dt-bindings/clock/qcom,gpucc-sm8250.h. + +properties: + compatible: + const: qcom,sm8250-gpucc + + clocks: + items: + - description: Board XO source + - description: GPLL0 main branch source + - description: GPLL0 div branch source + + clock-names: + items: + - const: bi_tcxo + - const: gcc_gpu_gpll0_clk_src + - const: gcc_gpu_gpll0_div_clk_src + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + '#power-domain-cells': + const: 1 + + reg: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - clock-names + - '#clock-cells' + - '#reset-cells' + - '#power-domain-cells' + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/qcom,gcc-sm8250.h> + #include <dt-bindings/clock/qcom,rpmh.h> + clock-controller@3d90000 { + compatible = "qcom,sm8250-gpucc"; + reg = <0x3d90000 0x9000>; + clocks = <&rpmhcc RPMH_CXO_CLK>, + <&gcc GCC_GPU_GPLL0_CLK_SRC>, + <&gcc GCC_GPU_GPLL0_DIV_CLK_SRC>; + clock-names = "bi_tcxo", + "gcc_gpu_gpll0_clk_src", + "gcc_gpu_gpll0_div_clk_src"; + #clock-cells = <1>; + #reset-cells = <1>; + #power-domain-cells = <1>; + }; +... diff --git a/include/dt-bindings/clock/qcom,gpucc-sm8250.h b/include/dt-bindings/clock/qcom,gpucc-sm8250.h new file mode 100644 index 000000000000..c8fe64e399fd --- /dev/null +++ b/include/dt-bindings/clock/qcom,gpucc-sm8250.h @@ -0,0 +1,40 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (c) 2017-2020, The Linux Foundation. All rights reserved. + */ + +#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8250_H +#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8250_H + +/* GPU_CC clock registers */ +#define GPU_CC_AHB_CLK 0 +#define GPU_CC_CRC_AHB_CLK 1 +#define GPU_CC_CX_APB_CLK 2 +#define GPU_CC_CX_GMU_CLK 3 +#define GPU_CC_CX_QDSS_AT_CLK 4 +#define GPU_CC_CX_QDSS_TRIG_CLK 5 +#define GPU_CC_CX_QDSS_TSCTR_CLK 6 +#define GPU_CC_CX_SNOC_DVM_CLK 7 +#define GPU_CC_CXO_AON_CLK 8 +#define GPU_CC_CXO_CLK 9 +#define GPU_CC_GMU_CLK_SRC 10 +#define GPU_CC_GX_GMU_CLK 11 +#define GPU_CC_GX_QDSS_TSCTR_CLK 12 +#define GPU_CC_GX_VSENSE_CLK 13 +#define GPU_CC_PLL1 14 +#define GPU_CC_SLEEP_CLK 15 +#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK 16 + +/* GPU_CC Resets */ +#define GPUCC_GPU_CC_ACD_BCR 0 +#define GPUCC_GPU_CC_CX_BCR 1 +#define GPUCC_GPU_CC_GFX3D_AON_BCR 2 +#define GPUCC_GPU_CC_GMU_BCR 3 +#define GPUCC_GPU_CC_GX_BCR 4 +#define GPUCC_GPU_CC_XO_BCR 5 + +/* GPU_CC GDSCRs */ +#define GPU_CX_GDSC 0 +#define GPU_GX_GDSC 1 + +#endif -- 2.26.1
