[0/8] Support SD/SDIO controllers on RK3528

Message

Yao Zi March 1, 2025, 10:42 a.m. UTC

RK3528 features two SDIO controllers and one SD/MMC controller. This
series adds essential support for their tuning clocks, document the
controller in dt-bindings and bring the SD/MMC one up on Radxa E20C
board with pinctrl set up by the previous bootloader. Both HS and SDR104
mode are verified.

Yao Zi (8):
  dt-bindings: soc: rockchip: Add RK3528 VO GRF syscon
  dt-bindings: soc: rockchip: Add RK3528 VPU GRF syscon
  dt-bindings: mmc: rockchip-dw-mshc: Add compatible string for RK3528
  dt-bindings: clock: Add GRF clock definition for RK3528
  clk: rockchip: Support MMC clocks in GRF region
  clk: rockchip: rk3528: Add SD/SDIO tuning clocks in GRF region
  arm64: dts: rockchip: Add SDMMC/SDIO controllers for RK3528
  arm64: dts: rockchip: Enable SD-card interface on Radxa E20C

 .../bindings/mmc/rockchip-dw-mshc.yaml        |  1 +
 .../devicetree/bindings/soc/rockchip/grf.yaml |  2 +
 .../boot/dts/rockchip/rk3528-radxa-e20c.dts   | 14 +++++
 arch/arm64/boot/dts/rockchip/rk3528.dtsi      | 62 +++++++++++++++++++
 drivers/clk/rockchip/clk-mmc-phase.c          | 24 +++++--
 drivers/clk/rockchip/clk-rk3528.c             | 56 +++++++++++++++--
 drivers/clk/rockchip/clk.c                    | 42 +++++++++++++
 drivers/clk/rockchip/clk.h                    | 23 ++++++-
 .../dt-bindings/clock/rockchip,rk3528-cru.h   |  6 ++
 9 files changed, 220 insertions(+), 10 deletions(-)