Hi Krzysztof, Thank you for your review! > From: Krzysztof Kozlowski, Sent: Tuesday, April 12, 2022 6:04 PM > > On 12/04/2022 09:36, Yoshihiro Shimoda wrote: > > Add UFS node for R-Car S4-8 (r8a779f0). > > > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > > --- > > arch/arm64/boot/dts/renesas/r8a779f0.dtsi | 19 +++++++++++++++++++ > > 1 file changed, 19 insertions(+) > > > > diff --git > > Thank you for your patch. There is something to discuss/improve. > > a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi > b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi > > index b0241aa29fc8..8bf418a4232f 100644 > > --- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi > > +++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi > > @@ -40,6 +40,13 @@ extalr_clk: extalr { > > clock-frequency = <0>; > > }; > > > > + ufs30_clk: ufs30_refclk_v { > > No underscores in node names. Node names should be generic, so if you > insist on prefix, it could be "ufs30-clk". I got it. I'll fix it. > > + compatible = "fixed-clock"; > > + #clock-cells = <0>; > > + /* This value must be overridden by the board */ > > + clock-frequency = <0>; > > + }; > > + > > pmu_a55 { > > compatible = "arm,cortex-a55-pmu"; > > interrupts-extended = <&gic GIC_PPI 7 IRQ_TYPE_LEVEL_LOW>; > > @@ -258,6 +265,18 @@ i2c5: i2c@e66e0000 { > > status = "disabled"; > > }; > > > > + ufs: scsi@e6860000 { > > Node name: ufs (it is not a SCSI device, AFAIK). I got it. I'll fix it. (I had assumed that we should choose a node name from "2.2.2 Generic Names Recommendation" of the ePAPR v1.1 [1]. But, that's wrong. ) [1] https://elinux.org/images/c/cf/Power_ePAPR_APPROVED_v1.1.pdf Best regards, Yoshihiro Shimoda > > + compatible = "renesas,r8a779f0-ufs"; > > + reg = <0 0xe6860000 0 0x100>; > > + interrupts = <GIC_SPI 235 IRQ_TYPE_LEVEL_HIGH>; > > + clocks = <&cpg CPG_MOD 1514>, <&ufs30_clk>; > > + clock-names = "fck", "ref_clk"; > > > Best regards, > Krzysztof