Hi Geert, Thanks for the feedback. > Subject: Re: [PATCH v2 11/12] arm64: dts: renesas: Add initial DTSI for > RZ/G2{L,LC} SoC's > > Hi Biju, > > On Fri, Jun 4, 2021 at 3:55 PM Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > wrote: > > > Subject: [PATCH v2 11/12] arm64: dts: renesas: Add initial DTSI for > > > RZ/G2{L,LC} SoC's > > > > > > Add initial DTSI for RZ/G2{L,LC} SoC's. > > > > > > File structure: > > > r9a07g044.dtsi => RZ/G2L family SoC common parts r9a07g044l1.dtsi > > > => Specific to RZ/G2L (R9A07G044L single cortex A55) SoC > > > > > > Signed-off-by: Lad Prabhakar > > > <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > > Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx> > > > > --- /dev/null > > > +++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi > > > > + cpg: clock-controller@11010000 { > > > + compatible = "renesas,r9a07g044-cpg"; > > > + reg = <0 0x11010000 0 0x10000>; > > > > What about WDTOVF_RST(0xB10) and WDTRST_SEL(0xB14) registers, this > registers to be handled by WDT driver. > > Unfortunately it is in CPG block. > > > > So do we need to map the entire CPG registers or up to 0xB00? > > > > Geert, Prabhakar: Any thoughts? > > As the registers are part of the CPG block, I think they should be covered > by the CPG node. You can handle them in the CPG driver, through functions > called from the WDT driver (cfr. rcar_rst_read_mode_pins()). Got it. Similar case for WDTCTRL register to stop watchdog. This register is in SYSC block. So we need to handle this register in SYSC driver. Cheers, Biju > > Gr{oetje,eeting}s, > > Geert > > -- > Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux- > m68k.org > > 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