| Message ID | 20240131084134.328307-6-Delphine_CC_Chiu@wiwynn.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Add i2c-mux and eeprom devices for Meta Yosemite 4 | expand |
On Wed, 2024-01-31 at 16:41 +0800, Delphine CC Chiu wrote: > Revise quad mode to dual mode to avoid WP pin influnece the SPI What do you mean by this? Can you unpack what's going on a little more in the commit message? Andrew > > Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com> > --- > .../arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 8 +++++--- > 1 file changed, 5 insertions(+), 3 deletions(-) > > diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts > index f8bfdefbefc6..23006dca5f26 100644 > --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts > +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts > @@ -149,15 +149,17 @@ flash@0 { > status = "okay"; > m25p,fast-read; > label = "bmc"; > - spi-rx-bus-width = <4>; > + spi-tx-bus-width = <2>; > + spi-rx-bus-width = <2>; > spi-max-frequency = <50000000>; > -#include "openbmc-flash-layout-64.dtsi" > +#include "openbmc-flash-layout-128.dtsi" > }; > flash@1 { > status = "okay"; > m25p,fast-read; > label = "bmc2"; > - spi-rx-bus-width = <4>; > + spi-tx-bus-width = <2>; > + spi-rx-bus-width = <2>; > spi-max-frequency = <50000000>; > }; > };
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts index f8bfdefbefc6..23006dca5f26 100644 --- a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts @@ -149,15 +149,17 @@ flash@0 { status = "okay"; m25p,fast-read; label = "bmc"; - spi-rx-bus-width = <4>; + spi-tx-bus-width = <2>; + spi-rx-bus-width = <2>; spi-max-frequency = <50000000>; -#include "openbmc-flash-layout-64.dtsi" +#include "openbmc-flash-layout-128.dtsi" }; flash@1 { status = "okay"; m25p,fast-read; label = "bmc2"; - spi-rx-bus-width = <4>; + spi-tx-bus-width = <2>; + spi-rx-bus-width = <2>; spi-max-frequency = <50000000>; }; };
Revise quad mode to dual mode to avoid WP pin influnece the SPI Signed-off-by: Delphine CC Chiu <Delphine_CC_Chiu@wiwynn.com> --- .../arm/boot/dts/aspeed/aspeed-bmc-facebook-yosemite4.dts | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)