linux-kernel - Re: [RESEND PATCH v2 06/13] dt-bindings: clock: Introduce SM8150 QCOM Graphics clock bindings

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Date:   Thu, 2 Jul 2020 14:44:51 -0600
From:   Rob Herring <robh@...nel.org>
To:     Jonathan Marek <jonathan@...ek.ca>
Cc:     linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Michael Turquette <mturquette@...libre.com>,
        Stephen Boyd <sboyd@...nel.org>,
        "open list:COMMON CLK FRAMEWORK" <linux-clk@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [RESEND PATCH v2 06/13] dt-bindings: clock: Introduce SM8150
 QCOM Graphics clock bindings

On Mon, Jun 29, 2020 at 05:17:12PM -0400, Jonathan Marek wrote:
> Add device tree bindings for graphics clock controller for
> Qualcomm Technology Inc's SM8150 SoCs.
> 
> Signed-off-by: Jonathan Marek <jonathan@...ek.ca>
> ---
>  .../bindings/clock/qcom,sm8150-gpucc.yaml     | 74 +++++++++++++++++++
>  include/dt-bindings/clock/qcom,gpucc-sm8150.h | 40 ++++++++++
>  2 files changed, 114 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml
>  create mode 100644 include/dt-bindings/clock/qcom,gpucc-sm8150.h
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml b/Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml
> new file mode 100644
> index 000000000000..683b50dd3492
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,sm8150-gpucc.yaml
> @@ -0,0 +1,74 @@
> +# SPDX-License-Identifier: GPL-2.0-only

Dual license new bindings.

(GPL-2.0-only OR BSD-2-Clause)

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,sm8150-gpucc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Graphics Clock & Reset Controller Binding for SM8150
> +
> +maintainers:
> +  -

Got to pick someone.

> +
> +description: |
> +  Qualcomm graphics clock control module which supports the clocks, resets and
> +  power domains on SM8150.
> +
> +  See also dt-bindings/clock/qcom,gpucc-sm8150.h.
> +
> +properties:
> +  compatible:
> +    const: qcom,sm8150-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-sm8150.h>
> +    #include <dt-bindings/clock/qcom,rpmh.h>
> +    clock-controller@...0000 {
> +      compatible = "qcom,sm8150-gpucc";
> +      reg = <0x2c90000 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-sm8150.h b/include/dt-bindings/clock/qcom,gpucc-sm8150.h
> new file mode 100644
> index 000000000000..e7cac7fe9739
> --- /dev/null
> +++ b/include/dt-bindings/clock/qcom,gpucc-sm8150.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_SM8150_H
> +#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8150_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_PLL_TEST_CLK			15
> +#define GPU_CC_SLEEP_CLK			16
> +
> +/* GPU_CC Resets */
> +#define GPUCC_GPU_CC_CX_BCR			0
> +#define GPUCC_GPU_CC_GFX3D_AON_BCR		1
> +#define GPUCC_GPU_CC_GMU_BCR			2
> +#define GPUCC_GPU_CC_GX_BCR			3
> +#define GPUCC_GPU_CC_SPDM_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
>