čt 11. 4. 2024 v 8:04 odesílatel Michal Simek <michal.si...@amd.com> napsal:
>
> Boards which have for example MAC address in eeprom but not in Xilinx
> format (legacy or FRU) could reference it via nvmem cells.
> For example:
>
> &gem0 {
> nvmem-cells = <&mac>;
> nvmem-cell-names = "mac-address";
> };
>
> &eeprom {
> #address-cells = <1>;
> #size-cells = <1>;
> mac: mac-address@f0 {
> reg = <0xf0 6>;
> };
> };
>
> For getting it work above DT changes are required but also CONFIG_NVMEM
> should be enabled. That's why enable it by default in generic defconfigs
> to be able to use it directly by changing DT only.
>
> Signed-off-by: Michal Simek <michal.si...@amd.com>
> ---
>
> configs/xilinx_versal_net_virt_defconfig | 1 +
> configs/xilinx_versal_virt_defconfig | 1 +
> configs/xilinx_zynq_virt_defconfig | 1 +
> configs/xilinx_zynqmp_virt_defconfig | 1 +
> 4 files changed, 4 insertions(+)
>
> diff --git a/configs/xilinx_versal_net_virt_defconfig
> b/configs/xilinx_versal_net_virt_defconfig
> index 40c6a29a16e3..d9e2e050ceb6 100644
> --- a/configs/xilinx_versal_net_virt_defconfig
> +++ b/configs/xilinx_versal_net_virt_defconfig
> @@ -80,6 +80,7 @@ CONFIG_I2C_MUX_PCA954x=y
> CONFIG_DM_MAILBOX=y
> CONFIG_ZYNQMP_IPI=y
> CONFIG_MISC=y
> +CONFIG_NVMEM=y
> CONFIG_I2C_EEPROM=y
> CONFIG_SUPPORT_EMMC_BOOT=y
> CONFIG_MMC_IO_VOLTAGE=y
> diff --git a/configs/xilinx_versal_virt_defconfig
> b/configs/xilinx_versal_virt_defconfig
> index c9b8a6de0133..95a671db363e 100644
> --- a/configs/xilinx_versal_virt_defconfig
> +++ b/configs/xilinx_versal_virt_defconfig
> @@ -83,6 +83,7 @@ CONFIG_I2C_MUX_PCA954x=y
> CONFIG_DM_MAILBOX=y
> CONFIG_ZYNQMP_IPI=y
> CONFIG_MISC=y
> +CONFIG_NVMEM=y
> CONFIG_I2C_EEPROM=y
> CONFIG_SUPPORT_EMMC_BOOT=y
> CONFIG_MMC_IO_VOLTAGE=y
> diff --git a/configs/xilinx_zynq_virt_defconfig
> b/configs/xilinx_zynq_virt_defconfig
> index 708cfe96b63b..e025256dc561 100644
> --- a/configs/xilinx_zynq_virt_defconfig
> +++ b/configs/xilinx_zynq_virt_defconfig
> @@ -107,6 +107,7 @@ CONFIG_I2C_MUX_PCA954x=y
> CONFIG_LED=y
> CONFIG_LED_GPIO=y
> CONFIG_MISC=y
> +CONFIG_NVMEM=y
> CONFIG_I2C_EEPROM=y
> CONFIG_MMC_SDHCI=y
> CONFIG_MMC_SDHCI_ZYNQ=y
> diff --git a/configs/xilinx_zynqmp_virt_defconfig
> b/configs/xilinx_zynqmp_virt_defconfig
> index 18931cffbbd6..296adf066b10 100644
> --- a/configs/xilinx_zynqmp_virt_defconfig
> +++ b/configs/xilinx_zynqmp_virt_defconfig
> @@ -147,6 +147,7 @@ CONFIG_I2C_MUX_PCA954x=y
> CONFIG_LED=y
> CONFIG_LED_GPIO=y
> CONFIG_MISC=y
> +CONFIG_NVMEM=y
> CONFIG_I2C_EEPROM=y
> CONFIG_SUPPORT_EMMC_BOOT=y
> CONFIG_MMC_IO_VOLTAGE=y
> --
> 2.44.0
>
Applied.
M
--
Michal Simek, Ing. (M.Eng), OpenPGP -> KeyID: FE3D1F91
w: www.monstr.eu p: +42-0-721842854
Maintainer of Linux kernel - Xilinx Microblaze
Maintainer of Linux kernel - Xilinx Zynq ARM and ZynqMP ARM64 SoCs
U-Boot custodian - Xilinx Microblaze/Zynq/ZynqMP/Versal SoCs
