[PATCH] arm: dts: rockchip: add support for SPI NOR flash on Radxa E25(CM3I)

[FUKAUMI Naoki]

sorry, I'll send v2 tomorrow to rewrite terrible commit message...

--
FUKAUMI Naoki
Radxa Computer (Shenzhen) Co., Ltd.

On 8/24/24 18:00, FUKAUMI Naoki wrote:
> my CM3I has a w25q128fw, so add support for it.
> 
> => sf probe
> SF: Detected w25q128fw with page size 256 Bytes, erase size 4 KiB, total 16 MiB
> 
> Signed-off-by: FUKAUMI Naoki <naoki at radxa.com>
> ---
>   arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi | 16 ++++++++++++++++
>   configs/radxa-e25-rk3568_defconfig        | 14 ++++++++++++++
>   2 files changed, 30 insertions(+)
> 
> diff --git a/arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi b/arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi
> index 74755a44eae..1f0bacbf61f 100644
> --- a/arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi
> +++ b/arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi
> @@ -21,6 +21,22 @@
>   	mmc-hs400-enhanced-strobe;
>   };
>   
> +&sfc {
> +	#address-cells = <1>;
> +	#size-cells = <0>;
> +	status = "okay";
> +
> +	flash at 0 {
> +		compatible = "jedec,spi-nor";
> +		reg = <0>;
> +		bootph-pre-ram;
> +		bootph-some-ram;
> +		spi-max-frequency = <24000000>;
> +		spi-rx-bus-width = <4>;
> +		spi-tx-bus-width = <1>;
> +	};
> +};
> +
>   &usb_host0_xhci {
>   	dr_mode = "host";
>   };
> diff --git a/configs/radxa-e25-rk3568_defconfig b/configs/radxa-e25-rk3568_defconfig
> index 496fee0e0a4..51bf0287198 100644
> --- a/configs/radxa-e25-rk3568_defconfig
> +++ b/configs/radxa-e25-rk3568_defconfig
> @@ -3,11 +3,16 @@ CONFIG_SKIP_LOWLEVEL_INIT=y
>   CONFIG_SYS_HAS_NONCACHED_MEMORY=y
>   CONFIG_COUNTER_FREQUENCY=24000000
>   CONFIG_ARCH_ROCKCHIP=y
> +CONFIG_SF_DEFAULT_SPEED=24000000
> +CONFIG_SF_DEFAULT_MODE=0x2000
>   CONFIG_DEFAULT_DEVICE_TREE="rockchip/rk3568-radxa-e25"
>   CONFIG_ROCKCHIP_RK3568=y
> +CONFIG_ROCKCHIP_SPI_IMAGE=y
>   CONFIG_SPL_SERIAL=y
>   CONFIG_DEBUG_UART_BASE=0xFE660000
>   CONFIG_DEBUG_UART_CLOCK=24000000
> +CONFIG_SPL_SPI_FLASH_SUPPORT=y
> +CONFIG_SPL_SPI=y
>   CONFIG_SYS_LOAD_ADDR=0xc00800
>   CONFIG_PCI=y
>   CONFIG_DEBUG_UART=y
> @@ -23,6 +28,8 @@ CONFIG_DISPLAY_BOARDINFO_LATE=y
>   CONFIG_SPL_MAX_SIZE=0x40000
>   CONFIG_SPL_PAD_TO=0x7f8000
>   # CONFIG_SPL_RAW_IMAGE_SUPPORT is not set
> +CONFIG_SPL_SPI_LOAD=y
> +CONFIG_SYS_SPI_U_BOOT_OFFS=0x60000
>   CONFIG_SPL_ATF=y
>   CONFIG_CMD_GPIO=y
>   CONFIG_CMD_GPT=y
> @@ -51,6 +58,12 @@ CONFIG_MMC_DW_ROCKCHIP=y
>   CONFIG_MMC_SDHCI=y
>   CONFIG_MMC_SDHCI_SDMA=y
>   CONFIG_MMC_SDHCI_ROCKCHIP=y
> +CONFIG_SF_DEFAULT_BUS=4
> +CONFIG_SPI_FLASH_SFDP_SUPPORT=y
> +CONFIG_SPI_FLASH_GIGADEVICE=y
> +CONFIG_SPI_FLASH_MACRONIX=y
> +CONFIG_SPI_FLASH_WINBOND=y
> +CONFIG_SPI_FLASH_XTX=y
>   CONFIG_RTL8169=y
>   CONFIG_PCIE_DW_ROCKCHIP=y
>   CONFIG_PHY_ROCKCHIP_INNO_USB2=y
> @@ -64,6 +77,7 @@ CONFIG_SPL_RAM=y
>   CONFIG_SCSI=y
>   CONFIG_DEBUG_UART_SHIFT=2
>   CONFIG_SYS_NS16550_MEM32=y
> +CONFIG_ROCKCHIP_SFC=y
>   CONFIG_SYSRESET=y
>   CONFIG_USB=y
>   CONFIG_USB_XHCI_HCD=y