From patchwork Sat Apr 25 11:03:46 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jagan Teki X-Patchwork-Id: 238465 List-Id: U-Boot discussion From: jagan at amarulasolutions.com (Jagan Teki) Date: Sat, 25 Apr 2020 16:33:46 +0530 Subject: [PATCH 0/8] rockchip: Add PCIe host support Message-ID: <20200425110354.12381-1-jagan@amarulasolutions.com> Thanks to Patrick for initial work done on this. This series support PCIe host controller support on rockchip rk3399 platform. Works well on rk3399 boards like rock960, nanopc-t4 and roc-kr3399-pc-mezzanine board as Gen1 configurable host. It has dependency with v5.7-rc1 dts(i) sync series[1] [1] https://patchwork.ozlabs.org/project/uboot/cover/20200425105319.12009-1-jagan at amarulasolutions.com/ Any inputs? Jagan. Jagan Teki (8): iopoll: Add dealy to read poll iopoll: Add readl_poll_sleep_timeout clk: rk3399: Enable PCIE_PHY clock clk: rk3399: Disable PCIE_PHY clock pci: Add Rockchip PCIe controller driver pci: Add Rockchip PCIe PHY controller driver rockchip: Enable PCIe/M.2 on rk3399 board w/ M.2 rockchip: Enable PCIe/M.2 on rock960 board arch/arm/dts/rk3399-u-boot.dtsi | 1 + board/vamrs/rock960_rk3399/rock960-rk3399.c | 20 + configs/nanopc-t4-rk3399_defconfig | 4 + configs/roc-pc-mezzanine-rk3399_defconfig | 4 + configs/rock960-rk3399_defconfig | 5 + drivers/clk/rockchip/clk_rk3399.c | 32 ++ drivers/pci/Kconfig | 8 + drivers/pci/Makefile | 1 + drivers/pci/pcie_rockchip.c | 484 ++++++++++++++++++++ drivers/pci/pcie_rockchip.h | 142 ++++++ drivers/pci/pcie_rockchip_phy.c | 205 +++++++++ include/linux/iopoll.h | 23 +- 12 files changed, 920 insertions(+), 9 deletions(-) create mode 100644 drivers/pci/pcie_rockchip.c create mode 100644 drivers/pci/pcie_rockchip.h create mode 100644 drivers/pci/pcie_rockchip_phy.c