Hi Geert-san, > From: Geert Uytterhoeven, Sent: Monday, September 4, 2023 5:48 PM > > Hi Shimoda-san, > > On Fri, Sep 1, 2023 at 3:27 PM Yoshihiro Shimoda > <yoshihiro.shimoda.uh@xxxxxxxxxxx> wrote: > > Add PCIe Host and Endpoint nodes for R-Car S4-8 (R8A779F0). > > > > Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> > > Thanks for your patch! Thank you for your review! > > --- a/arch/arm64/boot/dts/renesas/r8a779f0.dtsi > > +++ b/arch/arm64/boot/dts/renesas/r8a779f0.dtsi > > @@ -711,6 +725,124 @@ hscif3: serial@e66a0000 { > > status = "disabled"; > > }; > > > > + pciec0: pcie@e65d0000 { > > + compatible = "renesas,r8a779f0-pcie", > > + "renesas,rcar-gen4-pcie"; > > + reg = <0 0xe65d0000 0 0x1000>, <0 0xe65d2000 0 0x0800>, > > + <0 0xe65d3000 0 0x2000>, <0 0xe65d5000 0 0x1200>, > > + <0 0xe65d6200 0 0x1100>, <0 0xe65d7000 0 0x0400>, > > s/0x1100/0x0e00/ Oops. I'll fix it on v4. > > + <0 0xfe000000 0 0x400000>; > > + reg-names = "dbi", "dbi2", "atu", "dma", "app", "phy", "config"; > > + interrupts = <GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>, > > + <GIC_SPI 417 IRQ_TYPE_LEVEL_HIGH>, > > + <GIC_SPI 418 IRQ_TYPE_LEVEL_HIGH>, > > + <GIC_SPI 422 IRQ_TYPE_LEVEL_HIGH>; > > + interrupt-names = "msi", "dma", "sft_ce", "app"; > > + clocks = <&cpg CPG_MOD 624>, <&pcie0_clkref>; > > + clock-names = "core", "ref"; > > + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; > > + resets = <&cpg 624>; > > + reset-names = "pwr"; > > + max-link-speed = <4>; > > + num-lanes = <2>; > > + #address-cells = <3>; > > + #size-cells = <2>; > > + bus-range = <0x00 0xff>; > > + device_type = "pci"; > > + ranges = <0x82000000 0 0x30000000 0 0x30000000 0 0x10000000>; > > The binding example has one extra line, and uses 0x02000000 instead > of 0x82000000. > > Which one is correct/complete? The binding example is correct/complete because Manivannan asked me about the first argument on v13 and I revised the bindings: https://lore.kernel.org/linux-pci/TYBPR01MB53414D9435EFA3C5546E4D19D8679@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx/ > > + dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>; > > My comments above apply to the other channel, too. I got it. I'll fix them on v4. Best regards, Yoshihiro Shimoda > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx > > In personal conversations with technical people, I call myself a hacker. But > when I'm talking to journalists I just say "programmer" or something like that. > -- Linus Torvalds