Thread (9 messages) read the whole thread 9 messages, 3 authors, 2021-01-11
STALE2029d LANDED

Revision v4 of 3 in this series; landed in mainline as 4c1b22a953d9 on 2021-01-11.

Revisions (3)
  1. v2 [diff vs current]
  2. v3 [diff vs current]
  3. v4 current

[PATCH v4 3/6] arm64: dts: ti: k3-j7200-main: Add SERDES and WIZ device tree node

From: Kishon Vijay Abraham I <hidden>
Date: 2021-01-05 15:16:51
Also in: linux-arm-kernel, lkml
Subsystem: arm/texas instruments k3 architecture, the rest · Maintainers: Nishanth Menon, Vignesh Raghavendra, Tero Kristo, Linus Torvalds

Add dt node for the single instance of WIZ (SERDES wrapper) and
SERDES module shared by PCIe, CPSW (SGMII/QSGMII) and USB.

Signed-off-by: Kishon Vijay Abraham I <redacted>
---
 arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 63 +++++++++++++++++++++++
 1 file changed, 63 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index b0094212aa82..fbe4cd1e6e09 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -5,6 +5,13 @@
  * Copyright (C) 2020 Texas Instruments Incorporated - https://www.ti.com/
  */
 
+/ {
+	serdes_refclk: serdes-refclk {
+		#clock-cells = <0>;
+		compatible = "fixed-clock";
+	};
+};
+
 &cbass_main {
 	msmc_ram: sram@70000000 {
 		compatible = "mmio-sram";
@@ -531,6 +538,62 @@
 		dma-coherent;
 	};
 
+	serdes_wiz0: wiz@5060000 {
+		compatible = "ti,j721e-wiz-10g";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		power-domains = <&k3_pds 292 TI_SCI_PD_EXCLUSIVE>;
+		clocks = <&k3_clks 292 11>, <&k3_clks 292 85>, <&serdes_refclk>;
+		clock-names = "fck", "core_ref_clk", "ext_ref_clk";
+		num-lanes = <4>;
+		#reset-cells = <1>;
+		ranges = <0x5060000 0x0 0x5060000 0x10000>;
+
+		assigned-clocks = <&k3_clks 292 85>;
+		assigned-clock-parents = <&k3_clks 292 89>;
+
+		wiz0_pll0_refclk: pll0-refclk {
+			clocks = <&k3_clks 292 85>, <&serdes_refclk>;
+			clock-output-names = "wiz0_pll0_refclk";
+			#clock-cells = <0>;
+			assigned-clocks = <&wiz0_pll0_refclk>;
+			assigned-clock-parents = <&k3_clks 292 85>;
+		};
+
+		wiz0_pll1_refclk: pll1-refclk {
+			clocks = <&k3_clks 292 85>, <&serdes_refclk>;
+			clock-output-names = "wiz0_pll1_refclk";
+			#clock-cells = <0>;
+			assigned-clocks = <&wiz0_pll1_refclk>;
+			assigned-clock-parents = <&k3_clks 292 85>;
+		};
+
+		wiz0_refclk_dig: refclk-dig {
+			clocks = <&k3_clks 292 85>, <&serdes_refclk>;
+			clock-output-names = "wiz0_refclk_dig";
+			#clock-cells = <0>;
+			assigned-clocks = <&wiz0_refclk_dig>;
+			assigned-clock-parents = <&k3_clks 292 85>;
+		};
+
+		wiz0_cmn_refclk_dig_div: cmn-refclk-dig-div {
+			clocks = <&wiz0_refclk_dig>;
+			#clock-cells = <0>;
+		};
+
+		serdes0: serdes@5060000 {
+			compatible = "ti,j721e-serdes-10g";
+			reg = <0x05060000 0x00010000>;
+			reg-names = "torrent_phy";
+			resets = <&serdes_wiz0 0>;
+			reset-names = "torrent_reset";
+			clocks = <&wiz0_pll0_refclk>;
+			clock-names = "refclk";
+			#address-cells = <1>;
+			#size-cells = <0>;
+		};
+	};
+
 	usbss0: cdns-usb@4104000 {
 		compatible = "ti,j721e-usb";
 		reg = <0x00 0x4104000 0x00 0x100>;
-- 
2.17.1
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