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Message-ID: <CAG3jFyutTWpV06FU4iZrp=TJ3SSr3nAm8AWkEzSbEXjof7Lfvw@mail.gmail.com>
Date: Fri, 3 Jun 2022 10:39:47 +0200
From: Robert Foss <robert.foss@...aro.org>
To: Rob Herring <robh@...nel.org>
Cc: bjorn.andersson@...aro.org, agross@...nel.org,
mturquette@...libre.com, sboyd@...nel.org, krzk+dt@...nel.org,
jonathan@...ek.ca, linux-arm-msm@...r.kernel.org,
linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Dmitry Baryshkov <dmityr.baryshkov@...aro.org>
Subject: Re: [PATCH v4 3/6] dt-bindings: clock: Add Qcom SM8350 GPUCC bindings
On Thu, 2 Jun 2022 at 16:52, Rob Herring <robh@...nel.org> wrote:
>
> On Wed, Jun 01, 2022 at 02:42:47PM +0200, Robert Foss wrote:
> > Add device tree bindings for graphics clock controller for
> > Qualcomm Technology Inc's SM8350 SoCs.
> >
> > Signed-off-by: Robert Foss <robert.foss@...aro.org>
> > Reviewed-by: Dmitry Baryshkov <dmityr.baryshkov@...aro.org>
> > ---
> >
> > Changes since v3
> > - Separate from qcom,gpucc
> > - Remove clock-names
> > - Make example sm8350 based
> > - Changed author to me due to size of changes
> >
> >
> > .../bindings/clock/qcom,gpucc-sm8350.yaml | 72 +++++++++++++++++++
> > include/dt-bindings/clock/qcom,gpucc-sm8350.h | 52 ++++++++++++++
> > 2 files changed, 124 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml
> > create mode 100644 include/dt-bindings/clock/qcom,gpucc-sm8350.h
> >
> > diff --git a/Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml b/Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml
> > new file mode 100644
> > index 000000000000..0a0546c079a9
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/clock/qcom,gpucc-sm8350.yaml
> > @@ -0,0 +1,72 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/clock/qcom,gpucc-sm8350.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Qualcomm Graphics Clock & Reset Controller Binding
> > +
> > +maintainers:
> > + - Robert Foss <robert.foss@...aro.org>
> > +
> > +description: |
> > + Qualcomm graphics clock control module which supports the clocks, resets and
> > + power domains on Qualcomm SoCs.
> > +
> > + See also:
> > + dt-bindings/clock/qcom,gpucc-sm8350.h
> > +
> > +properties:
> > + compatible:
> > + enum:
> > + - qcom,sm8350-gpucc
> > +
> > + clocks:
> > + items:
> > + - description: Board XO source
> > + - description: GPLL0 main branch source
> > + - description: GPLL0 div branch source
> > +
> > + '#clock-cells':
> > + const: 1
> > +
> > + '#reset-cells':
> > + const: 1
> > +
> > + '#power-domain-cells':
> > + const: 1
> > +
> > + reg:
> > + maxItems: 1
> > +
> > +required:
> > + - compatible
> > + - reg
> > + - clocks
> > + - '#clock-cells'
> > + - '#reset-cells'
> > + - '#power-domain-cells'
> > +
> > +additionalProperties: false
> > +
> > +examples:
> > + - |
> > + #include <dt-bindings/clock/qcom,gcc-sm8350.h>
> > + #include <dt-bindings/clock/qcom,rpmh.h>
> > +
> > + soc {
> > + #address-cells = <2>;
> > + #size-cells = <2>;
> > +
> > + clock-controller@...0000 {
> > + compatible = "qcom,sm8350-gpucc";
> > + reg = <0 0x03d90000 0 0x9000>;
> > + clocks = <&rpmhcc RPMH_CXO_CLK>,
> > + <&gcc GCC_GPU_GPLL0_CLK_SRC>,
> > + <&gcc 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-sm8350.h b/include/dt-bindings/clock/qcom,gpucc-sm8350.h
> > new file mode 100644
> > index 000000000000..d2294e0d527e
> > --- /dev/null
> > +++ b/include/dt-bindings/clock/qcom,gpucc-sm8350.h
> > @@ -0,0 +1,52 @@
> > +/* SPDX-License-Identifier: GPL-2.0-only */
>
> Dual license.
Ack.
>
> > +/*
> > + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
> > + */
> > +
> > +#ifndef _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8350_H
> > +#define _DT_BINDINGS_CLK_QCOM_GPU_CC_SM8350_H
> > +
> > +/* GPU_CC clocks */
> > +#define GPU_CC_AHB_CLK 0
> > +#define GPU_CC_CB_CLK 1
> > +#define GPU_CC_CRC_AHB_CLK 2
> > +#define GPU_CC_CX_APB_CLK 3
> > +#define GPU_CC_CX_GMU_CLK 4
> > +#define GPU_CC_CX_QDSS_AT_CLK 5
> > +#define GPU_CC_CX_QDSS_TRIG_CLK 6
> > +#define GPU_CC_CX_QDSS_TSCTR_CLK 7
> > +#define GPU_CC_CX_SNOC_DVM_CLK 8
> > +#define GPU_CC_CXO_AON_CLK 9
> > +#define GPU_CC_CXO_CLK 10
> > +#define GPU_CC_FREQ_MEASURE_CLK 11
> > +#define GPU_CC_GMU_CLK_SRC 12
> > +#define GPU_CC_GX_GMU_CLK 13
> > +#define GPU_CC_GX_QDSS_TSCTR_CLK 14
> > +#define GPU_CC_GX_VSENSE_CLK 15
> > +#define GPU_CC_HLOS1_VOTE_GPU_SMMU_CLK 16
> > +#define GPU_CC_HUB_AHB_DIV_CLK_SRC 17
> > +#define GPU_CC_HUB_AON_CLK 18
> > +#define GPU_CC_HUB_CLK_SRC 19
> > +#define GPU_CC_HUB_CX_INT_CLK 20
> > +#define GPU_CC_HUB_CX_INT_DIV_CLK_SRC 21
> > +#define GPU_CC_MND1X_0_GFX3D_CLK 22
> > +#define GPU_CC_MND1X_1_GFX3D_CLK 23
> > +#define GPU_CC_PLL0 24
> > +#define GPU_CC_PLL1 25
> > +#define GPU_CC_SLEEP_CLK 26
> > +
> > +/* GPU_CC resets */
> > +#define GPUCC_GPU_CC_ACD_BCR 0
> > +#define GPUCC_GPU_CC_CB_BCR 1
> > +#define GPUCC_GPU_CC_CX_BCR 2
> > +#define GPUCC_GPU_CC_FAST_HUB_BCR 3
> > +#define GPUCC_GPU_CC_GFX3D_AON_BCR 4
> > +#define GPUCC_GPU_CC_GMU_BCR 5
> > +#define GPUCC_GPU_CC_GX_BCR 6
> > +#define GPUCC_GPU_CC_XO_BCR 7
> > +
> > +/* GPU_CC GDSCRs */
> > +#define GPU_CX_GDSC 0
> > +#define GPU_GX_GDSC 1
> > +
> > +#endif
> > --
> > 2.34.1
> >
> >
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