From fa16d7a820e42946c511e331cdd81dde579066b7 Mon Sep 17 00:00:00 2001 From: Stefan Nagy Date: Sun, 17 Dec 2023 12:32:08 +0100 Subject: [PATCH] arm64: dts: rockchip: Increase maximum frequency of SPI flash for ROCK Pi 4A/B/C The ROCK Pi 4A/B/C boards come with a 32 Mbit SPI NOR flash chip (XTX Technology Limited XT25F32) with a maximum clock frequency of 108 MHz. Use this value for the device node's spi-max-frequency property. This patch has been tested on ROCK Pi 4A. Signed-off-by: Stefan Nagy Reviewed-by: Dragan Simic Link: https://lore.kernel.org/r/20231217113208.64056-1-stefan.nagy@ixypsilon.net Signed-off-by: Heiko Stuebner --- arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts | 2 +- arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts | 2 +- arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts index d5df8939a6581..c68f45849c441 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4a.dts @@ -19,6 +19,6 @@ flash@0 { compatible = "jedec,spi-nor"; reg = <0>; - spi-max-frequency = <10000000>; + spi-max-frequency = <108000000>; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts index bee6d75883027..6ea3180e57ca7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4b.dts @@ -37,7 +37,7 @@ flash@0 { compatible = "jedec,spi-nor"; reg = <0>; - spi-max-frequency = <10000000>; + spi-max-frequency = <108000000>; }; }; diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts index de2ebe4cb4f3a..5274938bf1b82 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts @@ -49,7 +49,7 @@ flash@0 { compatible = "jedec,spi-nor"; reg = <0>; - spi-max-frequency = <10000000>; + spi-max-frequency = <108000000>; }; }; -- 2.30.2