| Message ID | 20181027163410.7417-1-marek.vasut+renesas@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Simon Horman |
| Headers | show |
| Series | [1/2] arm64: dts: renesas: ulcb: Switch eMMC bus to 1V8 | expand |
diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi b/arch/arm64/boot/dts/renesas/ulcb.dtsi index 0ead552d7eae..f2fabead5031 100644 --- a/arch/arm64/boot/dts/renesas/ulcb.dtsi +++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi @@ -329,7 +329,7 @@ sdhi2_pins: sd2 { groups = "sdhi2_data8", "sdhi2_ctrl", "sdhi2_ds"; function = "sdhi2"; - power-source = <3300>; + power-source = <1800>; }; sdhi2_pins_uhs: sd2_uhs {
The eMMC card has two supplies, VCC and VCCQ. The VCC supplies the NAND array and the VCCQ supplies the bus. On this particular board, the VCC is connected to 3.3V rail, while the VCCQ is connected to 1.8V rail. Adjust the pinmux to match the bus, which is always operating in 1.8V mode. Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com> Cc: Geert Uytterhoeven <geert+renesas@glider.be> Cc: Simon Horman <horms+renesas@verge.net.au> Cc: Wolfram Sang <wsa@the-dreams.de> Cc: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Cc: linux-renesas-soc@vger.kernel.org --- arch/arm64/boot/dts/renesas/ulcb.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)