[PATCH v2] arm64: dts: renesas: r8a779g3: Describe generic SPI NOR support on Retronix R-Car V4H Sparrow Hawk board
Marek Vasut
marek.vasut+renesas at mailbox.org
Wed Aug 6 08:00:36 PDT 2025
Retronix R-Car V4H Sparrow Hawk EVTA1 is populated with Spansion S25FS512S,
EVTB1 is populated with Winbond W77Q51NW. Describe the SPI NOR using generic
"jedec,spi-nor" compatible, because both flashes can be auto-detected based on
their built-in IDs.
Reviewed-by: Geert Uytterhoeven <geert+renesas at glider.be>
Signed-off-by: Marek Vasut <marek.vasut+renesas at mailbox.org>
---
Cc: Conor Dooley <conor+dt at kernel.org>
Cc: Geert Uytterhoeven <geert+renesas at glider.be>
Cc: Krzysztof Kozlowski <krzk+dt at kernel.org>
Cc: Magnus Damm <magnus.damm at gmail.com>
Cc: Rob Herring <robh at kernel.org>
Cc: devicetree at vger.kernel.org
Cc: linux-renesas-soc at vger.kernel.org
---
V2: - Update commit message, s at spi-flash@jedec,spi-nor@
- Add RB from Geert
- Use capital f in the fS part of code comment, s at S25fS512S@S25FS512S@
---
arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
index ba81df3c779d..a40b65a35ab6 100644
--- a/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779g3-sparrow-hawk.dts
@@ -757,7 +757,11 @@ &rpc {
status = "okay";
flash at 0 {
- compatible = "spansion,s25fs512s", "jedec,spi-nor";
+ /*
+ * EVTA1 is populated with Spansion S25FS512S
+ * EVTB1 is populated with Winbond W77Q51NW
+ */
+ compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <40000000>;
spi-rx-bus-width = <4>;
--
2.47.2
More information about the linux-arm-kernel
mailing list