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[3/5] arm64: dts: renesas: r9a07g044: Drop WDT2 node

Message ID 20221009230044.10961-4-prabhakar.mahadev-lad.rj@bp.renesas.com (mailing list archive)
State Accepted
Delegated to: Geert Uytterhoeven
Headers show
Series arm64: dts: renesas: rzg2l/rzg2lc/rzg2ul/rzv2l: Drop WDT2 | expand

Commit Message

Lad, Prabhakar Oct. 9, 2022, 11 p.m. UTC 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
used from CA55 CPU would result in an unexpected behaviour. Hence drop
WDT2 node from RZ/G2L SoC DTSI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
 arch/arm64/boot/dts/renesas/r9a07g044.dtsi | 15 ---------------
 1 file changed, 15 deletions(-)

Comments

Wolfram Sang Oct. 10, 2022, 6:54 a.m. UTC | #1 
On Mon, Oct 10, 2022 at 12:00:42AM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
> 
> WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
> used from CA55 CPU would result in an unexpected behaviour. Hence drop
> WDT2 node from RZ/G2L SoC DTSI.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Again, I'd squash patches 3-5.
Geert Uytterhoeven Oct. 11, 2022, 8:14 a.m. UTC | #2 
On Mon, Oct 10, 2022 at 1:01 AM Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
> used from CA55 CPU would result in an unexpected behaviour. Hence drop
> WDT2 node from RZ/G2L SoC DTSI.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-devel for v6.2.

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
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
index 2283d4fb8736..c606d9ef5991 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g044.dtsi
@@ -994,21 +994,6 @@  wdt1: watchdog@12800c00 {
 			status = "disabled";
 		};
 
-		wdt2: watchdog@12800400 {
-			compatible = "renesas,r9a07g044-wdt",
-				     "renesas,rzg2l-wdt";
-			reg = <0 0x12800400 0 0x400>;
-			clocks = <&cpg CPG_MOD R9A07G044_WDT2_PCLK>,
-				 <&cpg CPG_MOD R9A07G044_WDT2_CLK>;
-			clock-names = "pclk", "oscclk";
-			interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
-				     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
-			interrupt-names = "wdt", "perrout";
-			resets = <&cpg R9A07G044_WDT2_PRESETN>;
-			power-domains = <&cpg>;
-			status = "disabled";
-		};
-
 		ostm0: timer@12801000 {
 			compatible = "renesas,r9a07g044-ostm",
 				     "renesas,ostm";