openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

ARM: dts: aspeed: Add "spi-max-frequency" property 

Keep the FMC controller chips at a safe 50 MHz rate and use 100 MHz
for the PNOR on the machines using a AST2500 SoC.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Joel Stanley <joel@jms.id.au>
This commit is contained in:
Cédric Le Goater 2018-06-22 09:09:36 +02:00 committed by Joel Stanley
parent b46aaf8a66
commit 876c5d891c
7 changed files with 20 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/boot/dts/aspeed-ast2500-evb.dts
View File

@ -40,6 +40,7 @@ flash@0 {
status = "okay";
m25p,fast-read;
label = "bmc";
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
};
};
@ -50,6 +51,7 @@ flash@0 {
status = "okay";
m25p,fast-read;
label = "pnor";
spi-max-frequency = <100000000>;
};
};

2
arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts
View File

@ -87,6 +87,7 @@ flash@0 {
status = "okay";
m25p,fast-read;
label = "bmc";
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
};
};
@ -99,6 +100,7 @@ &spi {
flash@0 {
status = "okay";
m25p,fast-read;
spi-max-frequency = <50000000>;
label = "pnor";
};
};

2
arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
View File

@ -112,6 +112,7 @@ flash@0 {
status = "okay";
m25p,fast-read;
label = "bmc";
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
};
};
@ -125,6 +126,7 @@ flash@0 {
status = "okay";
m25p,fast-read;
label = "pnor";
spi-max-frequency = <100000000>;
};
};

4
arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
View File

@ -200,6 +200,7 @@ flash@0 {
status = "okay";
label = "bmc";
m25p,fast-read;
spi-max-frequency = <50000000>;
partitions {
#address-cells = < 1 >;
@ -224,6 +225,7 @@ flash@1 {
status = "okay";
label = "alt-bmc";
m25p,fast-read;
spi-max-frequency = <50000000>;
partitions {
#address-cells = < 1 >;
@ -242,7 +244,6 @@ obmc-ubi@80000 {
label = "alt-obmc-ubi";
};
};
};
};
@ -255,6 +256,7 @@ flash@0 {
status = "okay";
label = "pnor";
m25p,fast-read;
spi-max-frequency = <100000000>;
};
};

2
arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts
View File

@ -130,6 +130,7 @@ flash@0 {
status = "okay";
label = "bmc";
m25p,fast-read;
spi-max-frequency = <50000000>;
#include "openbmc-flash-layout.dtsi"
};
};
@ -143,6 +144,7 @@ flash@0 {
status = "okay";
label = "pnor";
m25p,fast-read;
spi-max-frequency = <100000000>;
};
};

2
arch/arm/boot/dts/aspeed-g4.dtsi
View File

@ -65,6 +65,7 @@ fmc: spi@1e620000 {
flash@0 {
reg = < 0 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
flash@1 {
@ -100,6 +101,7 @@ spi: spi@1e630000 {
flash@0 {
reg = < 0 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
};

7
arch/arm/boot/dts/aspeed-g5.dtsi
View File

@ -72,16 +72,19 @@ fmc: spi@1e620000 {
flash@0 {
reg = < 0 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
flash@1 {
reg = < 1 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
flash@2 {
reg = < 2 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
};
@ -97,11 +100,13 @@ spi1: spi@1e630000 {
flash@0 {
reg = < 0 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
flash@1 {
reg = < 1 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
};
@ -117,11 +122,13 @@ spi2: spi@1e631000 {
flash@0 {
reg = < 0 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
flash@1 {
reg = < 1 >;
compatible = "jedec,spi-nor";
spi-max-frequency = <50000000>;
status = "disabled";
};
};