[PATCH v2 1/3] arm64: dts: qcom: ipq9574-rdp-common: Enable quad SPI mode for SPI-NAND
Md Sadre Alam <[email protected]>
| Newsgroups | gmane.linux.kernel,gmane.linux.ports.arm.msm,gmane.linux.drivers.devicetree |
|---|---|
| Message-ID | <[email protected]> |
Set the SPI-NAND device node to use 4-bit transmit and receive bus widths. The board supports quad SPI transfers, but the device tree currently does not describe the wider bus. Add spi-tx-bus-width and spi-rx-bus-width so the controller and flash can use quad mode instead of single-bit transfers. Reviewed-by: Konrad Dybcio <[email protected]> Signed-off-by: Md Sadre Alam <[email protected]> --- arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi index 62877b46f9b3..86138529ba77 100644 --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi @@ -249,6 +249,8 @@ flash@0 { nand-ecc-engine = <&qpic_nand>; nand-ecc-strength = <4>; nand-ecc-step-size = <512>; + spi-rx-bus-width = <4>; + spi-tx-bus-width = <4>; }; }; -- 2.34.1