Re: [PATCH 1/9] dt-bindings: clock: Add SM8550 GCC clock bindings

From: Krzysztof Kozlowski
Date: Thu Nov 17 2022 - 04:08:18 EST


On 16/11/2022 11:47, Abel Vesa wrote:
> Add device tree bindings for global clock controller on SM8550 SoCs.

Subject: drop second, redundant "bindings".

>
> Signed-off-by: Abel Vesa <abel.vesa@xxxxxxxxxx>
> ---
> .../bindings/clock/qcom,gcc-sm8550.yaml | 88 +++++++
> include/dt-bindings/clock/qcom,gcc-sm8550.h | 231 ++++++++++++++++++
> 2 files changed, 319 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/clock/qcom,gcc-sm8550.yaml
> create mode 100644 include/dt-bindings/clock/qcom,gcc-sm8550.h
>
> diff --git a/Documentation/devicetree/bindings/clock/qcom,gcc-sm8550.yaml b/Documentation/devicetree/bindings/clock/qcom,gcc-sm8550.yaml
> new file mode 100644
> index 000000000000..a2468167c8ab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/clock/qcom,gcc-sm8550.yaml
> @@ -0,0 +1,88 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/clock/qcom,gcc-sm8550.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Global Clock & Reset Controller Binding for SM8550

You need to base on recent bindings. See commit ece3c3198182a1.

> +
> +maintainers:
> + - Bjorn Andersson <andersson@xxxxxxxxxx>
> +
> +description: |
> + Qualcomm global clock control module which supports the clocks, resets and
> + power domains on SM8550

Ditto

> +
> + See also:
> + - dt-bindings/clock/qcom,gcc-sm8550.h

Ditto

> +
> +properties:
> + compatible:
> + const: qcom,sm8550-gcc
> +
> + clocks:
> + items:
> + - description: Board XO source
> + - description: Sleep clock source
> + - description: PCIE 0 Pipe clock source (Optional clock)

Drop "(Optional clock)"

> + - description: PCIE 1 Pipe clock source (Optional clock)
> + - description: PCIE 1 Phy Auxiliary clock source (Optional clock)
> + - description: UFS Phy Rx symbol 0 clock source (Optional clock)
> + - description: UFS Phy Rx symbol 1 clock source (Optional clock)
> + - description: UFS Phy Tx symbol 0 clock source (Optional clock)
> + - description: USB3 Phy wrapper pipe clock source (Optional clock)
> + minItems: 2

This does not look correct. Why clocks of GCC are inputs clocks to GCC?

> +
> + clock-names:
> + items:
> + - const: bi_tcxo
> + - const: sleep_clk
> + - const: pcie_0_pipe_clk # Optional clock
> + - const: pcie_1_pipe_clk # Optional clock
> + - const: pcie_1_phy_aux_clk # Optional clock
> + - const: ufs_phy_rx_symbol_0_clk # Optional clock
> + - const: ufs_phy_rx_symbol_1_clk # Optional clock
> + - const: ufs_phy_tx_symbol_0_clk # Optional clock
> + - const: usb3_phy_wrapper_gcc_usb30_pipe_clk # Optional clock
> + minItems: 2
> +
> + '#clock-cells':
> + const: 1
> +
> + '#reset-cells':
> + const: 1
> +
> + '#power-domain-cells':
> + const: 1
> +
> + reg:
> + maxItems: 1

Drop all duplicated properties and use qcom,gcc.yaml. See commit
842b4ca1cb8cf54

> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
> + - '#clock-cells'
> + - '#reset-cells'
> + - '#power-domain-cells'

Drop redundant entries.

> +
> +allOf:
> + - $ref: qcom,gcc.yaml#
> +

Best regards,
Krzysztof