Hi Guo, On Sun, Oct 30, 2022 at 1:02 AM Guo Ren <guoren@xxxxxxxxxx> wrote: > > On Sun, Oct 30, 2022 at 3:11 AM Lad, Prabhakar > <prabhakar.csengg@xxxxxxxxx> wrote: > > > > Hi Guo, > > > > Thank you for the review. > > > > On Sat, Oct 29, 2022 at 5:25 AM Guo Ren <guoren@xxxxxxxxxx> wrote: > > > > > > On Sat, Oct 29, 2022 at 12:59 AM Prabhakar <prabhakar.csengg@xxxxxxxxx> wrote: > > > > > > > > From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > > > > > > > Add initial device tree for Renesas RZ/Five RISC-V CPU Core (AX45MP > > > > Single). > > > > > > > > RZ/Five SoC is almost identical to RZ/G2UL Type-1 SoC (ARM64) hence we > > > > will be reusing r9a07g043.dtsi [0] as a base DTSI for both the SoC's. > > > > r9a07g043f.dtsi includes RZ/Five SoC specific blocks. > > > > > > > > Below are the RZ/Five SoC specific blocks added in the initial DTSI which > > > > can be used to boot via initramfs on RZ/Five SMARC EVK: > > > > - AX45MP CPU > > > > - PLIC > > > > > > > > [0] arch/arm64/boot/dts/renesas/r9a07g043.dtsi > > > > > > > > Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx> > > > > --- > > > > v4 -> v5 > > > > * Fixed riscv,ndev value (should be 511) > > > > * Reworked completely (sort of new patch) > > > > > > > > v3 -> v4 > > > > * No change > > > > > > > > v2 -> v3 > > > > * Fixed clock entry for CPU core > > > > * Fixed timebase frequency to 12MHz > > > > * Fixed sorting of the nodes > > > > * Included RB tags > > > > > > > > v1 -> v2 > > > > * Dropped including makefile change > > > > * Updated ndev count > > > > --- > > > > arch/riscv/boot/dts/renesas/r9a07g043f.dtsi | 57 +++++++++++++++++++++ > > > > 1 file changed, 57 insertions(+) > > > > create mode 100644 arch/riscv/boot/dts/renesas/r9a07g043f.dtsi > > > > > > > > diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi > > > > new file mode 100644 > > > > index 000000000000..50134be548f5 > > > > --- /dev/null > > > > +++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi > > > > @@ -0,0 +1,57 @@ > > > > +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > > > > +/* > > > > + * Device Tree Source for the RZ/Five SoC > > > > + * > > > > + * Copyright (C) 2022 Renesas Electronics Corp. > > > > + */ > > > > + > > > > +#include <dt-bindings/interrupt-controller/irq.h> > > > > + > > > > +#define SOC_PERIPHERAL_IRQ(nr) (nr + 32) > > > > + > > > > +#include <arm64/renesas/r9a07g043.dtsi> ^^^ look below... > > > The initial patch shouldn't be broken. Combine them together with the > > > minimal components and add others late. Don't separate the DTS files. > > > > > r9a07g043.dtsi [0] already exists in the kernel. r9a07g043.dtsi is > > shared with the RZ/G2UL SoC (ARM64) and the RZ/Five SoC. There are two > > more patches [1] which are required and are currently queued up in the > > Renesas tree for v6.2 (Ive mentioned the dependencies in the cover > > letter). > > You could just move the below part to the second dtsi patch. Then > compile won't be broken. > > clocks = <&cpg CPG_MOD R9A07G043_NCEPLIC_ACLK>; > power-domains = <&cpg>; > resets = <&cpg R9A07G043_NCEPLIC_ARESETN>; > Compile won't break at all, the CPG node [0] and the pinctrl node [1] already exists in the kernel which is being re-used by this SoC DTSI. ... the include file above already exists in the kernel and is not part of the next follow up patch. [0] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/renesas/r9a07g043.dtsi?h=next-20221028#n541 [1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/tree/arch/arm64/boot/dts/renesas/r9a07g043.dtsi?h=next-20221028#n563 Cheers, Prabhakar
