Message ID | 20160706045603.22185-1-vigneshr@ti.com |
---|---|
State | Accepted |
Delegated to: | Jagannadha Sutradharudu Teki |
Headers | show |
On Wednesday 06 July 2016 10:26 AM, Vignesh R wrote: > According to Data Manual(SPRS915P) of AM57x, TI QSPI controller on > DRA74(rev 1.1+)/DRA72 EVM can support up to 64MHz in MODE-0, whereas > MODE-3 is limited to 48MHz. Hence, switch to MODE-0 for better > throughput. > > Signed-off-by: Vignesh R <vigneshr@ti.com> > Reviewed-by: Tom Rini <trini@konsulko.com> Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com> Regards Mugunthan V N
On 6 July 2016 at 11:27, Mugunthan V N <mugunthanvnm@ti.com> wrote: > On Wednesday 06 July 2016 10:26 AM, Vignesh R wrote: >> According to Data Manual(SPRS915P) of AM57x, TI QSPI controller on >> DRA74(rev 1.1+)/DRA72 EVM can support up to 64MHz in MODE-0, whereas >> MODE-3 is limited to 48MHz. Hence, switch to MODE-0 for better >> throughput. >> >> Signed-off-by: Vignesh R <vigneshr@ti.com> >> Reviewed-by: Tom Rini <trini@konsulko.com> > > Reviewed-by: Mugunthan V N <mugunthanvnm@ti.com> Reviewed-by: Jagan Teki <jteki@openedev.com> Applied to u-boot-spi/master
diff --git a/arch/arm/dts/dra7-evm.dts b/arch/arm/dts/dra7-evm.dts index 08ef04e177b0..429b9edc1b2b 100644 --- a/arch/arm/dts/dra7-evm.dts +++ b/arch/arm/dts/dra7-evm.dts @@ -491,15 +491,13 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; m25p80@0 { compatible = "s25fl256s1","spi-flash"; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; reg = <0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; - spi-cpol; - spi-cpha; #address-cells = <1>; #size-cells = <1>; diff --git a/arch/arm/dts/dra72-evm.dts b/arch/arm/dts/dra72-evm.dts index 205103e2b0e1..ced2f1166d8c 100644 --- a/arch/arm/dts/dra72-evm.dts +++ b/arch/arm/dts/dra72-evm.dts @@ -603,15 +603,13 @@ pinctrl-names = "default"; pinctrl-0 = <&qspi1_pins>; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; m25p80@0 { compatible = "s25fl256s1","spi-flash"; - spi-max-frequency = <48000000>; + spi-max-frequency = <64000000>; reg = <0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <4>; - spi-cpol; - spi-cpha; #address-cells = <1>; #size-cells = <1>;