[PATCH v4 2/2] phy: mediatek: Add PCIe PHY driver

AngeloGioacchino Del Regno angelogioacchino.delregno at collabora.com
Fri Mar 25 07:15:24 PDT 2022


Il 23/03/22 07:56, Jianjun Wang ha scritto:
> Add PCIe GEN3 PHY driver support on MediaTek chipsets.
> 
> Signed-off-by: Jianjun Wang <jianjun.wang at mediatek.com>
> ---
>   drivers/phy/mediatek/Kconfig        |  11 ++
>   drivers/phy/mediatek/Makefile       |   1 +
>   drivers/phy/mediatek/phy-mtk-pcie.c | 272 ++++++++++++++++++++++++++++
>   3 files changed, 284 insertions(+)
>   create mode 100644 drivers/phy/mediatek/phy-mtk-pcie.c
> 

..snip..

> diff --git a/drivers/phy/mediatek/phy-mtk-pcie.c b/drivers/phy/mediatek/phy-mtk-pcie.c
> new file mode 100644
> index 000000000000..44a2ad8d324e
> --- /dev/null
> +++ b/drivers/phy/mediatek/phy-mtk-pcie.c
> @@ -0,0 +1,272 @@

..snip..

> +/**
> + * struct mtk_pcie_phy - PCIe phy driver main structure
> + * @dev: pointer to device
> + * @phy: pointer to generic phy
> + * @sif_base: IO mapped register base address of system interface
> + * @data: pointer to SoC dependent data
> + * @sw_efuse_en: software eFuse enable status
> + * @efuse_glb_intr: internal resistor selection of TX bias current data
> + * @efuse: pointer to eFues data for each lane

Oops! There's a typo! "eFues" => "eFuse"

After fixing this typo,

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>

P.S.: Many thanks for the kerneldoc documentation!!!!

> + */
> +struct mtk_pcie_phy {
> +	struct device *dev;
> +	struct phy *phy;
> +	void __iomem *sif_base;
> +	const struct mtk_pcie_phy_data *data;
> +
> +	bool sw_efuse_en;
> +	u32 efuse_glb_intr;
> +	struct mtk_pcie_lane_efuse *efuse;
> +};




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