From: Ding Tao miyatsu@qq.com
[ Upstream commit 43ebc7c1b3ed8198b9acf3019eca16e722f7331c ]
The ESPRESSObin board has a emmc interface available on U11: declare it and let the bootloader enable it if the emmc is present.
[gregory.clement@bootlin.com: disable the emmc by default] Signed-off-by: Ding Tao miyatsu@qq.com Signed-off-by: Gregory CLEMENT gregory.clement@bootlin.com Signed-off-by: Sasha Levin sashal@kernel.org --- .../dts/marvell/armada-3720-espressobin.dts | 22 +++++++++++++++++++ 1 file changed, 22 insertions(+)
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts index 3ab25ad402b90..846003bb480cd 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dts @@ -60,9 +60,31 @@ cd-gpios = <&gpionb 3 GPIO_ACTIVE_LOW>; marvell,pad-type = "sd"; vqmmc-supply = <&vcc_sd_reg1>; + + pinctrl-names = "default"; + pinctrl-0 = <&sdio_pins>; status = "okay"; };
+/* U11 */ +&sdhci0 { + non-removable; + bus-width = <8>; + mmc-ddr-1_8v; + mmc-hs400-1_8v; + marvell,xenon-emmc; + marvell,xenon-tun-count = <9>; + marvell,pad-type = "fixed-1-8v"; + + pinctrl-names = "default"; + pinctrl-0 = <&mmc_pins>; +/* + * This eMMC is not populated on all boards, so disable it by + * default and let the bootloader enable it, if it is present + */ + status = "disabled"; +}; + &spi0 { status = "okay";