[PATCH v3] arm64: dts: rockchip: enable UFS controller on FriendlyElec NanoPi M5
From: Alexey Charkov <alchark@gmail.com>
Date: 2025-12-30 13:23:46
Also in:
linux-devicetree, linux-rockchip, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
The NanoPi M5 board supports pluggable UFS modules using the UFSHC inside its Rockchip RK3576 SoC. Enable the respective devicetree node and add its supply regulators. Link: https://wiki.friendlyelec.com/wiki/images/9/97/NanoPi_M5_LP5_2411_SCH.pdf Signed-off-by: Alexey Charkov <alchark@gmail.com> --- Changes in v3: - Dropped 'en-supply' from fixed regulators, as it's not envisaged by the fixed regulator driver and seems like more trouble than its worth - Link to v2: https://lore.kernel.org/r/20251201-nanopi-m5-ufs-v2-1-ece9c0ee17c4@gmail.com (local) Changes in v2: - Describe UFS supply regulators - Add link to schematic - Link to v1: https://lore.kernel.org/r/20251127-nanopi-m5-ufs-v1-1-0d28d157712c@gmail.com (local) --- arch/arm64/boot/dts/rockchip/rk3576-nanopi-m5.dts | 25 +++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-m5.dts b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-m5.dts
index cce34c541f7c..c5b34069a443 100644
--- a/arch/arm64/boot/dts/rockchip/rk3576-nanopi-m5.dts
+++ b/arch/arm64/boot/dts/rockchip/rk3576-nanopi-m5.dts@@ -110,6 +110,22 @@ vcc12v_dcin: regulator-vcc12v-dcin { regulator-name = "vcc12v_dcin"; }; + vcc1v2_ufs_vccq: regulator-vcc1v2-ufs-vccq { + compatible = "regulator-fixed"; + regulator-min-microvolt = <1200000>; + regulator-max-microvolt = <1200000>; + regulator-name = "vcc1v2_ufs_vccq"; + vin-supply = <&vcc5v0_sys_s5>; + }; + + vcc1v8_ufs_vccq2: regulator-vcc1v8-ufs-vccq2 { + compatible = "regulator-fixed"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc1v8_ufs_vccq2"; + vin-supply = <&vcc_1v8_s3>; + }; + vcc3v3_m2_keym: regulator-vcc3v3-m2-keym { compatible = "regulator-fixed"; enable-active-high;
@@ -906,6 +922,15 @@ &uart0 { status = "okay"; }; +&ufshc { + vcc-supply = <&vcc_3v3_s3>; + vccq-supply = <&vcc1v2_ufs_vccq>; + vccq2-supply = <&vcc1v8_ufs_vccq2>; + vdd-hba-supply = <&vdda_1v2_s0>; + + status = "okay"; +}; + &usbdp_phy { status = "okay"; };
--- base-commit: cc3aa43b44bdb43dfbac0fcb51c56594a11338a8 change-id: 20251127-nanopi-m5-ufs-52f2c5070167 Best regards, -- Alexey Charkov [off-list ref]