diff mbox series

[6/6] arm64: dts: fsd: add ufs device node

Message ID 20220531012220.80563-7-alim.akhtar@samsung.com
State Superseded
Headers show
Series Add support for UFS controller found in FSD SoC | expand

Commit Message

Alim Akhtar May 31, 2022, 1:22 a.m. UTC 
Adds FSD ufs device node and enable the same
for fsd board. This also adds the required
pin configuration for the same.

Cc: linux-fsd@tesla.com
Signed-off-by: Bharat Uppal <bharat.uppal@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
---
 arch/arm64/boot/dts/tesla/fsd-evb.dts      |  4 +++
 arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi | 14 +++++++++++
 arch/arm64/boot/dts/tesla/fsd.dtsi         | 29 ++++++++++++++++++++++
 3 files changed, 47 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/tesla/fsd-evb.dts b/arch/arm64/boot/dts/tesla/fsd-evb.dts
index 5af560c1b5e6..1db6ddf03f01 100644
--- a/arch/arm64/boot/dts/tesla/fsd-evb.dts
+++ b/arch/arm64/boot/dts/tesla/fsd-evb.dts
@@ -37,3 +37,7 @@  &fin_pll {
 &serial_0 {
 	status = "okay";
 };
+
+&ufs {
+	status = "okay";
+};
diff --git a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
index d4d0cb005712..387a41e251d5 100644
--- a/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd-pinctrl.dtsi
@@ -50,6 +50,20 @@  gpf5: gpf5-gpio-bank {
 		interrupt-controller;
 		#interrupt-cells = <2>;
 	};
+
+	ufs_rst_n: ufs-rst-n-pins {
+		samsung,pins = "gpf5-0";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV2>;
+	};
+
+	ufs_refclk_out: ufs-refclk-out-pins {
+		samsung,pins = "gpf5-1";
+		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
+		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
+		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV2>;
+	};
 };
 
 &pinctrl_peric {
diff --git a/arch/arm64/boot/dts/tesla/fsd.dtsi b/arch/arm64/boot/dts/tesla/fsd.dtsi
index af39655331de..a5972e9a2585 100644
--- a/arch/arm64/boot/dts/tesla/fsd.dtsi
+++ b/arch/arm64/boot/dts/tesla/fsd.dtsi
@@ -740,6 +740,35 @@  timer@10040000 {
 			clocks = <&fin_pll>, <&clock_imem IMEM_MCT_PCLK>;
 			clock-names = "fin_pll", "mct";
 		};
+
+		ufs: ufs@15120000 {
+			compatible = "tesla,fsd-ufs";
+			reg = <0x0  0x15120000 0x0 0x200>,  /* 0: HCI standard */
+				<0x0 0x15121100 0x0 0x200>,  /* 1: Vendor specified */
+				<0x0 0x15110000 0x0 0x8000>,  /* 2: UNIPRO */
+				<0x0 0x15130000 0x0 0x100>;  /* 3: UFS protector */
+			reg-names = "hci", "vs_hci", "unipro", "ufsp";
+			interrupts = <GIC_SPI 91 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clock_fsys0 UFS0_TOP0_HCLK_BUS>,
+				<&clock_fsys0 UFS0_TOP0_CLK_UNIPRO>;
+			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@15124000 {
+			compatible = "tesla,fsd-ufs-phy";
+			reg = <0x0 0x15124000 0x0 0x800>;
+			reg-names = "phy-pma";
+			samsung,pmu-syscon = <&pmu_system_controller>;
+			#phy-cells = <0>;
+			clocks = <&clock_fsys0 UFS0_MPHY_REFCLK_IXTAL26>;
+			clock-names = "ref_clk";
+		};
 	};
 };