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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>,
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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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