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From: Yixun Lan <dlan@kernel.org>
To: Alim Akhtar <alim.akhtar@samsung.com>,
	 Avri Altman <avri.altman@sandisk.com>,
	Bart Van Assche <bvanassche@acm.org>,
	 Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	 "James E.J. Bottomley" <James.Bottomley@HansenPartnership.com>,
	 Philipp Zabel <p.zabel@pengutronix.de>,
	Paul Walmsley <pjw@kernel.org>,
	 Palmer Dabbelt <palmer@dabbelt.com>,
	Albert Ou <aou@eecs.berkeley.edu>,
	 Alexandre Ghiti <alex@ghiti.fr>,
	"Martin K. Petersen" <mkp@kernel.org>
Cc: Anirudh Srinivasan <asrinivasan@oss.tenstorrent.com>,
	 Aurelien Jarno <aurelien@aurel32.net>,
	 Jennifer Berringer <jberring@redhat.com>,
	linux-scsi@vger.kernel.org,  devicetree@vger.kernel.org,
	linux-riscv@lists.infradead.org,  spacemit@lists.linux.dev,
	linux-kernel@vger.kernel.org,  Yixun Lan <dlan@kernel.org>
Subject: [PATCH v4 3/3] riscv: dts: spacemit: k3: Add UFS support
Date: Tue, 08 Sep 2026 07:42:05 +0000	[thread overview]
Message-ID: <20260908-08-k3-ufs-support-v4-3-22aa2bd97d3b@kernel.org> (raw)
In-Reply-To: <20260908-08-k3-ufs-support-v4-0-22aa2bd97d3b@kernel.org>

Add UFS Host Controller support for SpacemiT K3 SoC, and enable
it both on Pico-ITX and CoM260-IFX boards.

Tested-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Yixun Lan <dlan@kernel.org>
---
 arch/riscv/boot/dts/spacemit/k3-com260.dtsi  |  4 ++++
 arch/riscv/boot/dts/spacemit/k3-pico-itx.dts |  4 ++++
 arch/riscv/boot/dts/spacemit/k3.dtsi         | 22 ++++++++++++++++++++++
 3 files changed, 30 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi
index 37627963a649..3251ee8405de 100644
--- a/arch/riscv/boot/dts/spacemit/k3-com260.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3-com260.dtsi
@@ -220,3 +220,7 @@ &uart0 {
 	pinctrl-0 = <&uart0_0_cfg>;
 	status = "okay";
 };
+
+&ufshc {
+	status = "okay";
+};
diff --git a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
index b084a35aa00e..6369602e81da 100644
--- a/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
+++ b/arch/riscv/boot/dts/spacemit/k3-pico-itx.dts
@@ -307,6 +307,10 @@ &uart0 {
 	status = "okay";
 };
 
+&ufshc {
+	status = "okay";
+};
+
 &usb2_host {
 	#address-cells = <1>;
 	#size-cells = <0>;
diff --git a/arch/riscv/boot/dts/spacemit/k3.dtsi b/arch/riscv/boot/dts/spacemit/k3.dtsi
index c3f2dce0969c..436c0e7e2838 100644
--- a/arch/riscv/boot/dts/spacemit/k3.dtsi
+++ b/arch/riscv/boot/dts/spacemit/k3.dtsi
@@ -513,6 +513,28 @@ usb2_phy: phy@c0a20000 {
 			status = "disabled";
 		};
 
+		ufshc: ufshc@c0e00000 {
+			compatible = "spacemit,k3-ufshc";
+			reg = <0x0 0xc0e00000 0x0 0x40000>;
+			clocks = <&syscon_apmu CLK_APMU_UFS_ACLK>,
+				 <&syscon_apmu CLK_APMU_UFS_REFCLK>;
+			clock-names = "aclk", "ref_clk";
+			resets = <&syscon_apmu RESET_APMU_UFS_ACLK>;
+			interrupts = <135 IRQ_TYPE_LEVEL_HIGH>;
+			lanes-per-direction = <2>;
+			operating-points-v2 = <&ufs_opp_table>;
+			status = "disabled";
+
+			ufs_opp_table: opp-table {
+				compatible = "operating-points-v2";
+
+				opp-1 {
+					opp-hz = /bits/ 64 <491520000>,
+						 /bits/ 64 <19200000>;
+				};
+			};
+		};
+
 		eth0: ethernet@cac80000 {
 			compatible = "spacemit,k3-dwmac", "snps,dwmac-5.40a";
 			reg = <0x0 0xcac80000 0x0 0x2000>;

-- 
2.55.0


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      parent reply	other threads:[~2026-09-08  7:42 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-08  7:42 [PATCH v4 0/3] Add UFS Host driver support for SpacemiT K3 SoC Yixun Lan
2026-09-08  7:42 ` [PATCH v4 1/3] scsi: ufs: spacemit: dt-bindings: Add UFS controller for " Yixun Lan
2026-09-08 17:59   ` Conor Dooley
2026-09-09  2:13     ` Yixun Lan
2026-09-08  7:42 ` [PATCH v4 2/3] scsi: ufs: spacemit: k3: Add UFS Host Controller driver Yixun Lan
2026-09-08  7:42 ` Yixun Lan [this message]

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