[PATCH 1/5] arm64: dts: ti: k3-am64-main: Add SERDES DT node
From: Kishon Vijay Abraham I <hidden>
Date: 2021-05-12 15:10:15
Also in:
linux-arm-kernel, lkml
Subsystem:
arm/texas instruments k3 architecture, the rest · Maintainers:
Nishanth Menon, Vignesh Raghavendra, Tero Kristo, Linus Torvalds
AM64 has one SERDES 10G instance. Add SERDES DT node for it. Signed-off-by: Kishon Vijay Abraham I <redacted> --- arch/arm64/boot/dts/ti/k3-am64-main.dtsi | 56 ++++++++++++++++++++++++ 1 file changed, 56 insertions(+)
diff --git a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
index b2bcbf23eefd..4f15046eea82 100644
--- a/arch/arm64/boot/dts/ti/k3-am64-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am64-main.dtsi@@ -5,6 +5,17 @@ * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/ */ +#include <dt-bindings/phy/phy-cadence.h> +#include <dt-bindings/phy/phy-ti.h> + +/ { + serdes_refclk: serdes-refclk { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <0>; + }; +}; + &cbass_main { oc_sram: sram@70000000 { compatible = "mmio-sram";
@@ -18,6 +29,20 @@ }; }; + main_conf: syscon@43000000 { + compatible = "ti,j721e-system-controller", "syscon", "simple-mfd"; + reg = <0x0 0x43000000 0x0 0x20000>; + #address-cells = <1>; + #size-cells = <1>; + ranges = <0x0 0x0 0x43000000 0x20000>; + + serdes_ln_ctrl: mux { + compatible = "mmio-mux"; + #mux-control-cells = <1>; + mux-reg-masks = <0x4080 0x3>; /* SERDES0 lane0 select */ + }; + }; + gic500: interrupt-controller@1800000 { compatible = "arm,gic-v3"; #address-cells = <2>;
@@ -672,4 +697,35 @@ ti,mbox-num-users = <4>; ti,mbox-num-fifos = <16>; }; + + serdes_wiz0: wiz@f000000 { + compatible = "ti,am64-wiz-10g"; + #address-cells = <1>; + #size-cells = <1>; + power-domains = <&k3_pds 162 TI_SCI_PD_EXCLUSIVE>; + clocks = <&k3_clks 162 0>, <&k3_clks 162 1>, <&serdes_refclk>; + clock-names = "fck", "core_ref_clk", "ext_ref_clk"; + num-lanes = <1>; + #reset-cells = <1>; + #clock-cells = <1>; + ranges = <0x0f000000 0x0 0x0f000000 0x00010000>; + + assigned-clocks = <&k3_clks 162 1>; + assigned-clock-parents = <&k3_clks 162 5>; + + serdes0: serdes@f000000 { + compatible = "ti,j721e-serdes-10g"; + reg = <0x0f000000 0x00010000>; + reg-names = "torrent_phy"; + resets = <&serdes_wiz0 0>; + reset-names = "torrent_reset"; + clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>, <&serdes_wiz0 TI_WIZ_PHY_EN_REFCLK>; + clock-names = "refclk", "phy_en_refclk"; + assigned-clocks = <&serdes_wiz0 TI_WIZ_PLL0_REFCLK>, <&serdes_wiz0 TI_WIZ_PLL1_REFCLK>, <&serdes_wiz0 TI_WIZ_REFCLK_DIG>; + assigned-clock-parents = <&k3_clks 162 1>, <&k3_clks 162 1>, <&k3_clks 162 1>; + #address-cells = <1>; + #size-cells = <0>; + #clock-cells = <1>; + }; + }; };
--
2.17.1