[PATCH v2 2/4] riscv: dts: sophgo: Enable SPI NOR node for PioneerBox
Zixian Zeng <[email protected]>
| Newsgroups | dev.linux.lists.sophgo,org.infradead.lists.linux-riscv,org.kernel.vger.linux-devicetree,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Enable SPI NOR node for PioneerBox device tree According to PioneerBox schematic, SPI-NOR Flash cannot support QSPI due to hardware design. Thus spi-(tx|rx)-bus-width must be set to 1. Reviewed-by: Chen Wang <[email protected]> Tested-by: Chen Wang <[email protected]> Signed-off-by: Zixian Zeng <[email protected]> --- .../riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts index ef3a602172b1e5bf3dcf54a8cacdad5172b7f50e..93fb493995522a88d61de67fa570631c01807718 100644 --- a/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts +++ b/arch/riscv/boot/dts/sophgo/sg2042-milkv-pioneer.dts @@ -138,6 +138,30 @@ &sd { status = "okay"; }; +&spifmc0 { + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + }; +}; + +&spifmc1 { + status = "okay"; + + flash@0 { + compatible = "jedec,spi-nor"; + reg = <0>; + spi-max-frequency = <50000000>; + spi-tx-bus-width = <1>; + spi-rx-bus-width = <1>; + }; +}; + &uart0 { pinctrl-0 = <&uart0_cfg>; pinctrl-names = "default"; -- 2.51.0