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authorPratyush Yadav <p.yadav@ti.com>2021-03-05 21:09:25 +0530
committerNishanth Menon <nm@ti.com>2021-03-11 08:12:45 -0600
commit7c172b30a540644fa53051e947d6712be5d6d6ce (patch)
tree46a98e08b866ed2ef99e25a589c3755044d86424 /arch/arm64/boot/dts/ti
parent4c20ee99dd1a36ab89c6a8c51ed25e9328d8a8cc (diff)
downloadlinux-7c172b30a540644fa53051e947d6712be5d6d6ce.tar.gz
linux-7c172b30a540644fa53051e947d6712be5d6d6ce.tar.xz
arm64: dts: ti: am654-base-board: Enable 8D-8D-8D mode on OSPI
Set the Tx bus width to 8 so 8D-8D-8D mode can be selected. Change the frequency to 25 MHz. This is the frequency that the flash has been successfully tested with in Octal DTR mode. The total performance should still increase since 8D-8D-8D mode should be at least twice as fast as 1S-1S-8S mode. Signed-off-by: Pratyush Yadav <p.yadav@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Reviewed-by: Vignesh Raghavendra <vigneshr@ti.com> Link: https://lore.kernel.org/r/20210305153926.3479-3-p.yadav@ti.com
Diffstat (limited to 'arch/arm64/boot/dts/ti')
-rw-r--r--arch/arm64/boot/dts/ti/k3-am654-base-board.dts4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
index fe3043943906..9e87fb313a54 100644
--- a/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-am654-base-board.dts
@@ -483,9 +483,9 @@
flash@0{
compatible = "jedec,spi-nor";
reg = <0x0>;
- spi-tx-bus-width = <1>;
+ spi-tx-bus-width = <8>;
spi-rx-bus-width = <8>;
- spi-max-frequency = <40000000>;
+ spi-max-frequency = <25000000>;
cdns,tshsl-ns = <60>;
cdns,tsd2d-ns = <60>;
cdns,tchsh-ns = <60>;