linux-kernel - Re: [PATCH v2 12/12] riscv: defconfig: Enable the Allwinner D1 platform and drivers

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Date:   Sat, 26 Nov 2022 16:40:11 +0000
From:   Conor Dooley <conor@...nel.org>
To:     Samuel Holland <samuel@...lland.org>, palmer@...belt.com
Cc:     Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        linux-sunxi@...ts.linux.dev, Palmer Dabbelt <palmer@...belt.com>,
        linux-riscv@...ts.infradead.org, devicetree@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Jisheng Zhang <jszhang@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Andre Przywara <andre.przywara@....com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Anup Patel <apatel@...tanamicro.com>,
        Atish Patra <atishp@...osinc.com>,
        Christian Hewitt <christianshewitt@...il.com>,
        Conor Dooley <conor.dooley@...rochip.com>,
        Guo Ren <guoren@...nel.org>,
        Heinrich Schuchardt <heinrich.schuchardt@...onical.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Stanislav Jakubek <stano.jakubek@...il.com>
Subject: Re: [PATCH v2 12/12] riscv: defconfig: Enable the Allwinner D1
 platform and drivers

On Fri, Nov 25, 2022 at 05:46:56PM -0600, Samuel Holland wrote:
> Now that several D1-based boards are supported, enable the platform in
> our defconfig. Build in the drivers which are necessary to boot, such as
> the pinctrl, MMC, RTC (which provides critical clocks), SPI (for flash),
> and watchdog (which may be left enabled by the bootloader).

All of that looks good.

> Other common
> onboard peripherals are enabled as modules.

This I am not sure about though. I'll leave that to Palmer since I'm
pretty sure it was him that said it, but I thought the plan was only
turning on stuff required to boot to a console & things that are
generally useful rather than enabling modules for everyone's "random"
drivers. Palmer?

> 
> Signed-off-by: Samuel Holland <samuel@...lland.org>
> ---
> 
> (no changes since v1)
> 
>  arch/riscv/configs/defconfig | 23 ++++++++++++++++++++++-
>  1 file changed, 22 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/riscv/configs/defconfig b/arch/riscv/configs/defconfig
> index 05fd5fcf24f9..8dfe0550c0e6 100644
> --- a/arch/riscv/configs/defconfig
> +++ b/arch/riscv/configs/defconfig
> @@ -25,6 +25,7 @@ CONFIG_BLK_DEV_INITRD=y
>  CONFIG_EXPERT=y
>  # CONFIG_SYSFS_SYSCALL is not set
>  CONFIG_PROFILING=y
> +CONFIG_ARCH_SUNXI=y
>  CONFIG_SOC_MICROCHIP_POLARFIRE=y
>  CONFIG_SOC_SIFIVE=y
>  CONFIG_SOC_STARFIVE=y
> @@ -118,22 +119,31 @@ CONFIG_VIRTIO_NET=y
>  CONFIG_MACB=y
>  CONFIG_E1000E=y
>  CONFIG_R8169=y
> +CONFIG_STMMAC_ETH=m
>  CONFIG_MICROSEMI_PHY=y
>  CONFIG_INPUT_MOUSEDEV=y
> +CONFIG_KEYBOARD_SUN4I_LRADC=m
>  CONFIG_SERIAL_8250=y
>  CONFIG_SERIAL_8250_CONSOLE=y
> +CONFIG_SERIAL_8250_DW=y
>  CONFIG_SERIAL_OF_PLATFORM=y
>  CONFIG_VIRTIO_CONSOLE=y
>  CONFIG_HW_RANDOM=y
>  CONFIG_HW_RANDOM_VIRTIO=y
> +CONFIG_I2C_MV64XXX=m
>  CONFIG_SPI=y
>  CONFIG_SPI_SIFIVE=y
> +CONFIG_SPI_SUN6I=y
>  # CONFIG_PTP_1588_CLOCK is not set
> -CONFIG_GPIOLIB=y
>  CONFIG_GPIO_SIFIVE=y
> +CONFIG_WATCHDOG=y
> +CONFIG_SUNXI_WATCHDOG=y
> +CONFIG_REGULATOR=y
> +CONFIG_REGULATOR_FIXED_VOLTAGE=y
>  CONFIG_DRM=m
>  CONFIG_DRM_RADEON=m
>  CONFIG_DRM_NOUVEAU=m
> +CONFIG_DRM_SUN4I=m
>  CONFIG_DRM_VIRTIO_GPU=m
>  CONFIG_FB=y
>  CONFIG_FRAMEBUFFER_CONSOLE=y
> @@ -146,19 +156,30 @@ CONFIG_USB_OHCI_HCD=y
>  CONFIG_USB_OHCI_HCD_PLATFORM=y
>  CONFIG_USB_STORAGE=y
>  CONFIG_USB_UAS=y
> +CONFIG_USB_MUSB_HDRC=m
> +CONFIG_USB_MUSB_SUNXI=m
> +CONFIG_NOP_USB_XCEIV=m
>  CONFIG_MMC=y
>  CONFIG_MMC_SDHCI=y
>  CONFIG_MMC_SDHCI_PLTFM=y
>  CONFIG_MMC_SDHCI_CADENCE=y
>  CONFIG_MMC_SPI=y
> +CONFIG_MMC_SUNXI=y
>  CONFIG_RTC_CLASS=y
> +CONFIG_RTC_DRV_SUN6I=y
> +CONFIG_DMADEVICES=y
> +CONFIG_DMA_SUN6I=m
>  CONFIG_VIRTIO_PCI=y
>  CONFIG_VIRTIO_BALLOON=y
>  CONFIG_VIRTIO_INPUT=y
>  CONFIG_VIRTIO_MMIO=y
> +CONFIG_SUN8I_DE2_CCU=m
> +CONFIG_SUN50I_IOMMU=y
>  CONFIG_RPMSG_CHAR=y
>  CONFIG_RPMSG_CTRL=y
>  CONFIG_RPMSG_VIRTIO=y
> +CONFIG_PHY_SUN4I_USB=m
> +CONFIG_NVMEM_SUNXI_SID=y
>  CONFIG_EXT4_FS=y
>  CONFIG_EXT4_FS_POSIX_ACL=y
>  CONFIG_EXT4_FS_SECURITY=y
> -- 
> 2.37.4
>