Thread (23 messages) 23 messages, 5 authors, 2020-06-25
STALE2217d REVIEWED: 1 (0M)
Revisions (6)
  1. v6 [diff vs current]
  2. v7 [diff vs current]
  3. v8 [diff vs current]
  4. v9 [diff vs current]
  5. v10 current
  6. v10 [diff vs current]

[PATCH v10 10/10] arm64: dts: Add node for ufs exynos7

From: Alim Akhtar <alim.akhtar@samsung.com>
Date: 2020-05-28 01:32:53
Also in: linux-devicetree, linux-samsung-soc, linux-scsi, lkml
Subsystem: arm/samsung s3c, s5p and exynos arm architectures, the rest · Maintainers: Krzysztof Kozlowski, Peter Griffin, Linus Torvalds

Adding dt node foe UFS and UFS-PHY for exynos7 SoC.

Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Tested-by: Paweł Chmiel <redacted>
---
 .../boot/dts/exynos/exynos7-espresso.dts      |  4 ++
 arch/arm64/boot/dts/exynos/exynos7.dtsi       | 43 ++++++++++++++++++-
 2 files changed, 45 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
index 7af288fa9475..790f12ca8981 100644
--- a/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
+++ b/arch/arm64/boot/dts/exynos/exynos7-espresso.dts
@@ -406,6 +406,10 @@
 	};
 };
 
+&ufs {
+	status = "okay";
+};
+
 &usbdrd_phy {
 	vbus-supply = <&usb30_vbus_reg>;
 	vbus-boost-supply = <&usb3drd_boost_5v>;
diff --git a/arch/arm64/boot/dts/exynos/exynos7.dtsi b/arch/arm64/boot/dts/exynos/exynos7.dtsi
index 5558045637ac..300ad7326ea8 100644
--- a/arch/arm64/boot/dts/exynos/exynos7.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos7.dtsi
@@ -220,9 +220,14 @@
 			#clock-cells = <1>;
 			clocks = <&fin_pll>, <&clock_top1 DOUT_ACLK_FSYS1_200>,
 				 <&clock_top1 DOUT_SCLK_MMC0>,
-				 <&clock_top1 DOUT_SCLK_MMC1>;
+				 <&clock_top1 DOUT_SCLK_MMC1>,
+				 <&clock_top1 DOUT_SCLK_UFSUNIPRO20>,
+				 <&clock_top1 DOUT_SCLK_PHY_FSYS1>,
+				 <&clock_top1 DOUT_SCLK_PHY_FSYS1_26M>;
 			clock-names = "fin_pll", "dout_aclk_fsys1_200",
-				      "dout_sclk_mmc0", "dout_sclk_mmc1";
+				      "dout_sclk_mmc0", "dout_sclk_mmc1",
+				      "dout_sclk_ufsunipro20", "dout_sclk_phy_fsys1",
+				      "dout_sclk_phy_fsys1_26m";
 		};
 
 		serial_0: serial@13630000 {
@@ -601,6 +606,40 @@
 			};
 		};
 
+		ufs: ufs@15570000 {
+			compatible = "samsung,exynos7-ufs";
+			reg = <0x15570000 0x100>,  /* 0: HCI standard */
+				<0x15570100 0x100>,  /* 1: Vendor specificed */
+				<0x15571000 0x200>,  /* 2: UNIPRO */
+				<0x15572000 0x300>;  /* 3: UFS protector */
+			reg-names = "hci", "vs_hci", "unipro", "ufsp";
+			interrupts = <GIC_SPI 200 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock_fsys1 ACLK_UFS20_LINK>,
+				<&clock_fsys1 SCLK_UFSUNIPRO20_USER>;
+			clock-names = "core_clk", "sclk_unipro_main";
+			freq-table-hz = <0 0>, <0 0>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&ufs_rst_n &ufs_refclk_out>;
+			phys = <&ufs_phy>;
+			phy-names = "ufs-phy";
+			status = "disabled";
+		};
+
+		ufs_phy: ufs-phy@15571800 {
+			compatible = "samsung,exynos7-ufs-phy";
+			reg = <0x15571800 0x240>;
+			reg-names = "phy-pma";
+			samsung,pmu-syscon = <&pmu_system_controller>;
+			#phy-cells = <0>;
+			clocks = <&clock_fsys1 SCLK_COMBO_PHY_EMBEDDED_26M>,
+				 <&clock_fsys1 PHYCLK_UFS20_RX1_SYMBOL_USER>,
+				 <&clock_fsys1 PHYCLK_UFS20_RX0_SYMBOL_USER>,
+				 <&clock_fsys1 PHYCLK_UFS20_TX0_SYMBOL_USER>;
+			clock-names = "ref_clk", "rx1_symbol_clk",
+				      "rx0_symbol_clk",
+				      "tx0_symbol_clk";
+		};
+
 		usbdrd_phy: phy@15500000 {
 			compatible = "samsung,exynos7-usbdrd-phy";
 			reg = <0x15500000 0x100>;
-- 
2.17.1


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