[PATCH v2 0/7] rockchip: rk3568: Fix use of PCIe bifurcation

[FUKAUMI Naoki]

hi,

On 8/3/23 04:22, Jonas Karlman wrote:
> This series add support for use of PCIe bifurcation on RK3568, and as a
> bonus support for the RK3588 PHY is also included. With PCIe bifurcation
> supported it is possible to enable PCIe on more RK3568 boards, e.g. on
> NanoPi R5C and NanoPi R5S. This series only include fixing the mini PCIe
> slot on Radxa E25.
> 
> Most parts of this series was imported almost 1:1 from mainline linux.
> 
> Patch 1 fixes configuration of number of lanes in pcie_dw_rockchip.
> Patch 2-3 refactor the snps-pcie3 phy driver.
> Patch 4 add bifurcation support for RK3568.
> Patch 5 add support for RK3588 to snps-pcie3 driver.
> Patch 6 fixes use of pcie2x1l0 on ROCK 5B.
> Patch 7 enables the mini PCIe slot on Radxa E25.
> 
> Changes in v2:
> - Fix use of signal from comb PHY on RK3588
> - Add fixes tag
> 
> The RK3588 PHY part was tested on a ROCK 5B together with device tree
> files picked from Sebastian Reichel's rk3588 branch at [1].
> 
> Patches in this series is also aviliable at [2].
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/sre/linux-misc.git/tree/?h=rk3588
> [2] https://github.com/Kwiboo/u-boot-rockchip/commits/rk35xx-pcie-bifurcation-v2
> 
> Jonas Karlman (7):
>    pci: pcie_dw_rockchip: Configure number of lanes and link width speed
>    phy: rockchip: snps-pcie3: Refactor to use clk_bulk API
>    phy: rockchip: snps-pcie3: Refactor to use a phy_init ops
>    phy: rockchip: snps-pcie3: Add bifurcation support for RK3568
>    phy: rockchip: snps-pcie3: Add support for RK3588
>    phy: rockchip: naneng-combphy: Use signal from comb PHY on RK3588
>    rockchip: rk3568-radxa-e25: Enable pcie3x1 node
> 
>   arch/arm/dts/rk3568-radxa-e25-u-boot.dtsi     |  11 +-
>   configs/radxa-e25-rk3568_defconfig            |   1 -
>   drivers/pci/pcie_dw_rockchip.c                |  58 ++++-
>   .../rockchip/phy-rockchip-naneng-combphy.c    |   6 +
>   .../phy/rockchip/phy-rockchip-snps-pcie3.c    | 230 ++++++++++++++----
>   5 files changed, 241 insertions(+), 65 deletions(-)

for the whole series,

Tested-by: FUKAUMI Naoki <naoki at radxa.com>

on ROCK 5B with NVMe and linux-next 20230802 device tree.