diff options
| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2026-01-24 01:59:56 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2026-03-20 13:23:15 +0300 |
| commit | f01be0fa24b139a6f6676244a2f721244d7efc44 (patch) | |
| tree | 057177baa4457bcbd3ebb5d433e3f28444a38a44 | |
| parent | a7b37f329e5fbeb0f40ef892fc33d1eebfadd7b8 (diff) | |
| download | linux-f01be0fa24b139a6f6676244a2f721244d7efc44.tar.xz | |
arm64: dts: renesas: r9a09g087m44-rzn2h-evk: Clarify SD0 power jumper setup
Document the required JP23 jumper positions for supplying SD0 when
selecting between the onboard eMMC and the SD card slot.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20260123225957.1007089-4-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
| -rw-r--r-- | arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts index 19f0a2c06753..4c0fe5c7e8aa 100644 --- a/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts +++ b/arch/arm64/boot/dts/renesas/r9a09g087m44-rzn2h-evk.dts @@ -14,12 +14,14 @@ /* * SD0 can be connected to either eMMC (U33) or SD card slot CN21 * Lets by default enable the eMMC, note we need the below SW settings - * for eMMC. + * for eMMC. Also ensure that JP23 pins 5 and 6 are connected with a jumper + * to provide the SD0 power supply when using eMMC. * DSW5[1] = ON; DSW5[2] = ON * DSW17[5] = OFF; DSW17[6] = ON * * To enable SD card and disable eMMC on SDHI0 disable the below macro - * and set the below switch setting: + * and set the below switch settings. Also ensure that JP23 pins 3 and 4 are + * connected with a jumper to provide the SD0 power supply when using an SD card. * DSW5[1] = OFF; DSW5[2] = ON * P22_6 = SD0_WP; DSW15[1] = OFF; DSW15[2] = ON * P22_5 = SD0_CD; DSW15[3] = OFF; DSW15[4] = ON |