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Message-ID: <20250317-hot-obedient-sturgeon-394cb8@krzk-bin>
Date: Mon, 17 Mar 2025 10:17:46 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Barnabás Czémán <barnabas.czeman@...nlining.org>
Cc: Bjorn Andersson <andersson@...nel.org>, 
	Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Stephan Gerhold <stephan@...hold.net>, Otto Pflüger <otto.pflueger@...cue.de>, 
	Linus Walleij <linus.walleij@...aro.org>, Lee Jones <lee@...nel.org>, 
	Srinivas Kandagatla <srinivas.kandagatla@...aro.org>, Joerg Roedel <joro@...tes.org>, Will Deacon <will@...nel.org>, 
	Robin Murphy <robin.murphy@....com>, Konrad Dybcio <konradybcio@...nel.org>, 
	Rob Clark <robdclark@...il.com>, Sean Paul <sean@...rly.run>, 
	Abhinav Kumar <quic_abhinavk@...cinc.com>, Marijn Suijten <marijn.suijten@...ainline.org>, 
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, Dmitry Baryshkov <lumag@...nel.org>, 
	linux-arm-msm@...r.kernel.org, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org, iommu@...ts.linux.dev, 
	dri-devel@...ts.freedesktop.org, freedreno@...ts.freedesktop.org, phone-devel@...r.kernel.org, 
	~postmarketos/upstreaming@...ts.sr.ht, linux@...nlining.org
Subject: Re: [PATCH v4 1/6] dt-bindings: clock: qcom: Add MSM8937 Global
 Clock Controller

On Sat, Mar 15, 2025 at 03:57:35PM +0100, Barnabás Czémán wrote:
> Add device tree bindings for the global clock controller on Qualcomm
> MSM8937 platform.
> 
> Signed-off-by: Barnabás Czémán <barnabas.czeman@...nlining.org>
> ---
>  .../bindings/clock/qcom,gcc-msm8937.yaml           | 75 ++++++++++++++++++++++
>  include/dt-bindings/clock/qcom,gcc-msm8917.h       | 17 +++++
>  2 files changed, 92 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-msm8937.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8937.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..3c3f6756048e195671f542b3a6cd09057558eafa
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-msm8937.yaml
> @@ -0,0 +1,75 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-msm8937.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller on MSM8937
> +
> +maintainers:
> +  - Barnabas Czeman <barnabas.czeman@...nlining.org>
> +
> +description: |
> +  Qualcomm global clock control module provides the clocks, resets and power
> +  domains on MSM8937.

This is exactly like msm8953, so why it cannot be there?

> +
> +  See also::
> +    include/dt-bindings/clock/qcom,gcc-msm8917.h

typo, 8937

> +
> +properties:
> +  compatible:
> +    const: qcom,gcc-msm8937
> +
> +  clocks:
> +    items:
> +      - description: XO source
> +      - description: Sleep clock source
> +      - description: DSI phy instance 0 dsi clock
> +      - description: DSI phy instance 0 byte clock
> +      - description: DSI phy instance 1 dsi clock
> +      - description: DSI phy instance 1 byte clock
> +
> +  clock-names:
> +    items:
> +      - const: xo
> +      - const: sleep_clk
> +      - const: dsi0pll
> +      - const: dsi0pllbyte
> +      - const: dsi1pll
> +      - const: dsi1pllbyte
> +
> +required:
> +  - compatible
> +  - clocks
> +  - clock-names
> +  - '#power-domain-cells'
> +
> +allOf:
> +  - $ref: qcom,gcc.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/qcom,rpmcc.h>
> +
> +    clock-controller@...0000 {
> +      compatible = "qcom,gcc-msm8937";
> +      reg = <0x01800000 0x80000>;
> +      #clock-cells = <1>;
> +      #reset-cells = <1>;
> +      #power-domain-cells = <1>;
> +      clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
> +               <&sleep_clk>,
> +               <&dsi0_phy 1>,
> +               <&dsi0_phy 0>,
> +               <&dsi1_phy 1>,
> +               <&dsi1_phy 0>;
> +      clock-names = "xo",
> +                    "sleep_clk",
> +                    "dsi0pll",
> +                    "dsi0pllbyte",
> +                    "dsi1pll",
> +                    "dsi1pllbyte";
> +    };
> +...
> diff --git a/include/dt-bindings/clock/qcom,gcc-msm8917.h b/include/dt-bindings/clock/qcom,gcc-msm8917.h
> index 4b421e7414b50bef2e2400f868ae5b7212a427bb..ec1f0b261dd5ccfe4896a00ffa9cf86de98b9cb3 100644
> --- a/include/dt-bindings/clock/qcom,gcc-msm8917.h
> +++ b/include/dt-bindings/clock/qcom,gcc-msm8917.h
> @@ -170,6 +170,22 @@
>  #define VFE1_CLK_SRC				163
>  #define VSYNC_CLK_SRC				164
>  #define GPLL0_SLEEP_CLK_SRC			165
> +#define BLSP1_QUP1_I2C_APPS_CLK_SRC		166
> +#define BLSP1_QUP1_SPI_APPS_CLK_SRC		167
> +#define BLSP2_QUP4_I2C_APPS_CLK_SRC		168
> +#define BLSP2_QUP4_SPI_APPS_CLK_SRC		169

Why are you adding bindings to 8917? Nothing in commit msg explains
that.

Best regards,
Krzysztof


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