Re: [PATCH 03/15] dt-bindings: clock: qcom,dispcc-sm6125: Require GCC PLL0 DIV clock

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On 2023-06-24 03:45:02, Konrad Dybcio wrote:
> On 24.06.2023 02:41, Marijn Suijten wrote:
> > The "gcc_disp_gpll0_div_clk_src" clock is consumed by the driver, will
> > be passed from DT, and should be required by the bindings.
> > 
> > Fixes: 8397c9c0c26b ("dt-bindings: clock: add QCOM SM6125 display clock bindings")
> > Signed-off-by: Marijn Suijten <marijn.suijten@xxxxxxxxxxxxxx>
> > ---
> Ideally, you'd stick it at the bottom of the list, as the items: order
> is part of the ABI

This isn't an ABI break, as this driver nor its bindings require/declare
a fixed order: they declare a relation between clocks and clock-names.

This orders the GCC clock just like other dispccs.  And the previous
patch dropped the unused cfg_ahb_clk from the bindings, so all bets are
off anyway.

- Marijn

> 
> Konrad
> >  Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml | 4 ++++
> >  1 file changed, 4 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
> > index 2acf487d8a2f..11ec154503a3 100644
> > --- a/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
> > +++ b/Documentation/devicetree/bindings/clock/qcom,dispcc-sm6125.yaml
> > @@ -23,6 +23,7 @@ properties:
> >    clocks:
> >      items:
> >        - description: Board XO source
> > +      - description: GPLL0 div source from GCC
> >        - description: Byte clock from DSI PHY0
> >        - description: Pixel clock from DSI PHY0
> >        - description: Pixel clock from DSI PHY1
> > @@ -32,6 +33,7 @@ properties:
> >    clock-names:
> >      items:
> >        - const: bi_tcxo
> > +      - const: gcc_disp_gpll0_div_clk_src
> >        - const: dsi0_phy_pll_out_byteclk
> >        - const: dsi0_phy_pll_out_dsiclk
> >        - const: dsi1_phy_pll_out_dsiclk
> > @@ -65,12 +67,14 @@ examples:
> >        compatible = "qcom,sm6125-dispcc";
> >        reg = <0x5f00000 0x20000>;
> >        clocks = <&rpmcc RPM_SMD_XO_CLK_SRC>,
> > +               <&gcc GCC_DISP_GPLL0_DIV_CLK_SRC>,
> >                 <&dsi0_phy 0>,
> >                 <&dsi0_phy 1>,
> >                 <&dsi1_phy 1>,
> >                 <&dp_phy 0>,
> >                 <&dp_phy 1>;
> >        clock-names = "bi_tcxo",
> > +                    "gcc_disp_gpll0_div_clk_src",
> >                      "dsi0_phy_pll_out_byteclk",
> >                      "dsi0_phy_pll_out_dsiclk",
> >                      "dsi1_phy_pll_out_dsiclk",
> > 



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