On Wed, 5 Mar 2025 at 10:30, Biju Das <biju.das.jz@xxxxxxxxxxxxxx> wrote:
>
> The SD/MMC block on the RZ/G3E ("R9A09G047") SoC is similar to that
> of the RZ/V2H, but the SD0 channel has only dedicated pins, so we must
> use SD_STATUS register to control voltage and power enable (internal
> regulator).
>
> For SD1 and SD2 channel we can either use gpio regulator or internal
> regulator (using SD_STATUS register) for voltage switching.
>
> For SD0, fixed voltage(eMMC) uses fixed regulator and non-fixed voltage
> (SD) uses internal regulator.
>
> v5->v6:
> * Added const for renesas_sdhi_vqmmc_regulator.
> * Added Rb tag from Wolfram for driver changes.
> v4->v5:
> * Collected tag from Wolfram Sang.
> * Dropped redundant struct renesas_sdhi_vqmmc_regulator initialization.
> * Added one space before '=' in the struct initializer.
> v3->v4:
> * Dropped dts patches as it is deferred for queuing.
> * Arranged variables of same types close to each other in probe() and
> dropped patch#2.
> * Added sd_ctrl_read32().
> * Replaced sd_ctrl_read32_rep()->sd_ctrl_read32().
> v2->v3:
> * Collected tags
> * Renamed internal regulator labels vqmmc_sdhi{0..2}->sdhi{0..2}_vqmmc.
> * Updated regulator phandles on SoM/Board dts.
> * Dropped renaming the gpio regulator label vqmmc_sdhi1->vqmmc_sdhi1_gpio.
> * Renamed node sd0emmc->sd0-emmc
> * Renamed sd0-emmc-{ctrl,data,rst}->sd0-{ctrl,data,rst}
> * Moved header file gpio.h from patch#6 to patch#8.
> * Dropped overriding internal regulator name.
> * Dropped #if guard in pinctrl node for SDHI0
> * Renamed the label/node sdhi0_pins: sd0->sdhi0_usd_pins: sd0-usd.
> v1->v2:
> * Collected tags.
> * Documented internal regulator as optional property for both RZ/G3E and
> RZ/V2H SoCs.
> * Updated commit description for regulator used in SD0 fixed and
> non-fixed voltage case in patch#3.
> * As the node enabling of internal regulator is controlled through status,
> added a check for device availability.
> * Status of internal regulator is disabled in the SoC .dtsi. Override
> the status in the board DTS when needed.
> * Added support for enabling SDHI internal regulator in RZ/V2H
> * Added missing header file gpio.h
> * Used fixed regulator for eMMC on SD0 and dropped sd0-iovs pins for
> eMMC.
> * Sorted pinctrl nodes for sd2
> * Enabled internal regulator for SD2.
> * Added support for enabling SD on SDHI0
> * Replaced the regulator usd_vdd_3p3v->reg_3p3v.
> * Renamed the gpio-hog node sd1-pwr-en->sd1-pwr-en-hog.
> * Sorted sd1 pin ctrl nodes.
>
> Biju Das (2):
> dt-bindings: mmc: renesas,sdhi: Document RZ/G3E support
> mmc: renesas_sdhi: Add support for RZ/G3E SoC
>
> .../devicetree/bindings/mmc/renesas,sdhi.yaml | 16 +++
> drivers/mmc/host/renesas_sdhi.h | 1 +
> drivers/mmc/host/renesas_sdhi_core.c | 130 ++++++++++++++++++
> drivers/mmc/host/tmio_mmc.h | 10 ++
> 4 files changed, 157 insertions(+)
>
Applied for next, thanks!
Kind regards
Uffe
