linux-kernel - [PATCH v1 2/5] riscv: dts: starfive: jh7110-common: qspi flash setting read-delay 2 cycles max 100MHz

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Message-ID: <20250102194530.418127-3-e@freeshell.de>
Date: Thu,  2 Jan 2025 11:45:08 -0800
From: E Shattow <e@...eshell.de>
To: Conor Dooley <conor@...nel.org>,
	Emil Renner Berthing <kernel@...il.dk>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>
Cc: linux-kernel@...r.kernel.org,
	E Shattow <e@...eshell.de>,
	linux-riscv@...ts.infradead.org,
	devicetree@...r.kernel.org
Subject: [PATCH v1 2/5] riscv: dts: starfive: jh7110-common: qspi flash setting read-delay 2 cycles max 100MHz

Sync qspi flash setting to read-delay=2 and spi-max-frequency 100MHz for
better compatibility with operating system and downstream boot loader SPL
secondary program loader.

Signed-off-by: E Shattow <e@...eshell.de>
---
 arch/riscv/boot/dts/starfive/jh7110-common.dtsi | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
index 55c6743100a7..651f9a602226 100644
--- a/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
+++ b/arch/riscv/boot/dts/starfive/jh7110-common.dtsi
@@ -317,8 +317,8 @@ &qspi {
 	nor_flash: flash@0 {
 		compatible = "jedec,spi-nor";
 		reg = <0>;
-		cdns,read-delay = <5>;
-		spi-max-frequency = <12000000>;
+		cdns,read-delay = <2>;
+		spi-max-frequency = <100000000>;
 		cdns,tshsl-ns = <1>;
 		cdns,tsd2d-ns = <1>;
 		cdns,tchsh-ns = <1>;
-- 
2.45.2