[PATCH v7 5/6] rockchip: px30: add support for SFC for Odroid Go Advance

[Kever Yang]

On 2021/8/5 下午4:27, Jon Lin wrote:
> From: Chris Morgan <macromorgan at hotmail.com>
>
> The Odroid Go Advance uses a Rockchip Serial Flash Controller with an
> XT25F128B SPI NOR flash chip. This adds support for both. Note that
> while both the controller and chip support quad mode, only two lines
> are connected to the chip. Changing the pinctrl to bus2 and setting tx
> and rx lines to 2 for this reason.
>
> Signed-off-by: Chris Morgan <macromorgan at hotmail.com>
> Signed-off-by: Jon Lin <jon.lin at rock-chips.com>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>
> (no changes since v1)
>
>   arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi | 17 +++++++++++++++++
>   arch/arm/dts/rk3326-odroid-go2.dts         | 16 ++++++++++++++++
>   2 files changed, 33 insertions(+)
>
> diff --git a/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi b/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
> index 00767d2abd..741e8dd935 100644
> --- a/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
> +++ b/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
> @@ -7,6 +7,15 @@
>   	chosen {
>   		u-boot,spl-boot-order = &sdmmc;
>   	};
> +
> +	aliases {
> +		i2c0 = &i2c0;
> +		i2c1 = &i2c1;
> +		mmc0 = &sdmmc;
> +		serial1 = &uart1;
> +		serial2 = &uart2;
> +		spi0 = &sfc;
> +	};
>   };
>   
>   &cru {
> @@ -57,6 +66,14 @@
>   	u-boot,spl-fifo-mode;
>   };
>   
> +&sfc {
> +	u-boot,dm-pre-reloc;
> +};
> +
> +&spi_flash {
> +	u-boot,dm-pre-reloc;
> +};
> +
>   &uart1 {
>   	clock-frequency = <24000000>;
>   	u-boot,dm-pre-reloc;
> diff --git a/arch/arm/dts/rk3326-odroid-go2.dts b/arch/arm/dts/rk3326-odroid-go2.dts
> index 8cd4688c49..6f91f5040b 100644
> --- a/arch/arm/dts/rk3326-odroid-go2.dts
> +++ b/arch/arm/dts/rk3326-odroid-go2.dts
> @@ -617,6 +617,22 @@
>   	status = "okay";
>   };
>   
> +&sfc {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&sfc_clk &sfc_cs &sfc_bus2>;
> +	status = "okay";
> +
> +	spi_flash: xt25f128b at 0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		spi-max-frequency = <108000000>;
> +		spi-rx-bus-width = <2>;
> +		spi-tx-bus-width = <2>;
> +	};
> +};
> +
>   &tsadc {
>   	status = "okay";
>   };