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[0/6] Add MMC support for Mobileye EyeQ5 and EyeQ6 SoCs

Message ID cover.1750156323.git.benoit.monin@bootlin.com
Headers show
Series Add MMC support for Mobileye EyeQ5 and EyeQ6 SoCs | expand

Message

Benoît Monin June 17, 2025, 1:25 p.m. UTC 
The MMC/SDHCI controller found in Mobileye EyeQ5 and EyeQ6 SoCs is 
based on Cadence cdns sd4hc IP. It supports up to HS400HS mode. The 
only peculiarity of the hardware is that it needs the preset value
quirk to configure the clock properly at speed slower than HS200.

This patchset adds a compatible device tree binding to cdns sdhci for 
mobileye then uses it in the sdhci-cadence driver.

It also adds an emmc entry in the dtsi of each SoC and the config 
options in each defconfig to allow using an eMMC for the rootfs.

Benoît Monin (6):
  dt-bindings: mmc: cdns: add Mobileye EyeQ MMC/SDHCI controller
  mmc: sdhci-cadence: add Mobileye eyeQ support
  MIPS: mobileye: dts: eyeq6h: add the emmc controller
  MIPS: eyeq6_defconfig: add cadence MMC/SDHCI driver
  MIPS: mobileye: dts: eyeq5: add the emmc controller
  MIPS: eyeq5_defconfig: add cadence MMC/SDHCI driver

 .../devicetree/bindings/mmc/cdns,sdhci.yaml   |  1 +
 arch/mips/boot/dts/mobileye/eyeq5.dtsi        | 22 +++++++++++++++++++
 arch/mips/boot/dts/mobileye/eyeq6h.dtsi       | 22 +++++++++++++++++++
 arch/mips/configs/eyeq5_defconfig             |  2 ++
 arch/mips/configs/eyeq6_defconfig             |  2 ++
 drivers/mmc/host/sdhci-cadence.c              | 11 ++++++++++
 6 files changed, 60 insertions(+)