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arm64: dts: ti: k3-j721e-main: Add system controller node and SERDES lane mux

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The system controller node manages the CTRL_MMR0 region.
Add serdes_ln_ctrl node which is used for controlling the SERDES lane mux.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tero Kristo <t-kristo@ti.com>
This commit is contained in:
Kishon Vijay Abraham I 2020-06-29 15:52:51 +03:00 committed by Tero Kristo
parent afd094ebe6
commit b766e3b0d5
2 changed files with 80 additions and 0 deletions
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27
arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
View file

@ -5,6 +5,8 @@
* Copyright (C) 2016-2019 Texas Instruments Incorporated - https://www.ti.com/
*/
#include <dt-bindings/phy/phy.h>
#include <dt-bindings/mux/mux.h>
#include <dt-bindings/mux/mux-j721e-wiz.h>
&cbass_main {
msmc_ram: sram@70000000 {
@ -19,6 +21,31 @@ atf-sram@0 {
};
};
scm_conf: scm-conf@100000 {
compatible = "ti,j721e-system-controller", "syscon", "simple-mfd";
reg = <0 0x00100000 0 0x1c000>; /* excludes pinctrl region */
#address-cells = <1>;
#size-cells = <1>;
ranges = <0x0 0x0 0x00100000 0x1c000>;
serdes_ln_ctrl: serdes-ln-ctrl@4080 {
compatible = "mmio-mux";
reg = <0x00004080 0x50>;
#mux-control-cells = <1>;
mux-reg-masks = <0x4080 0x3>, <0x4084 0x3>, /* SERDES0 lane0/1 select */
<0x4090 0x3>, <0x4094 0x3>, /* SERDES1 lane0/1 select */
<0x40a0 0x3>, <0x40a4 0x3>, /* SERDES2 lane0/1 select */
<0x40b0 0x3>, <0x40b4 0x3>, /* SERDES3 lane0/1 select */
<0x40c0 0x3>, <0x40c4 0x3>, <0x40c8 0x3>, <0x40cc 0x3>;
/* SERDES4 lane0/1/2/3 select */
idle-states = <SERDES0_LANE0_PCIE0_LANE0>, <SERDES0_LANE1_PCIE0_LANE1>,
<SERDES1_LANE0_PCIE1_LANE0>, <SERDES1_LANE1_PCIE1_LANE1>,
<SERDES2_LANE0_PCIE2_LANE0>, <SERDES2_LANE1_PCIE2_LANE1>,
<MUX_IDLE_AS_IS>, <SERDES3_LANE1_USB3_0>,
<SERDES4_LANE0_EDP_LANE0>, <SERDES4_LANE1_EDP_LANE1>, <SERDES4_LANE2_EDP_LANE2>, <SERDES4_LANE3_EDP_LANE3>;
};
};
gic500: interrupt-controller@1800000 {
compatible = "arm,gic-v3";
#address-cells = <2>;

53
include/dt-bindings/mux/mux-j721e-wiz.h Normal file
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@ -0,0 +1,53 @@
/* SPDX-License-Identifier: GPL-2.0 */
/*
* This header provides constants for J721E WIZ.
*/
#ifndef _DT_BINDINGS_J721E_WIZ
#define _DT_BINDINGS_J721E_WIZ
#define SERDES0_LANE0_QSGMII_LANE1 0x0
#define SERDES0_LANE0_PCIE0_LANE0 0x1
#define SERDES0_LANE0_USB3_0_SWAP 0x2
#define SERDES0_LANE1_QSGMII_LANE2 0x0
#define SERDES0_LANE1_PCIE0_LANE1 0x1
#define SERDES0_LANE1_USB3_0 0x2
#define SERDES1_LANE0_QSGMII_LANE3 0x0
#define SERDES1_LANE0_PCIE1_LANE0 0x1
#define SERDES1_LANE0_USB3_1_SWAP 0x2
#define SERDES1_LANE0_SGMII_LANE0 0x3
#define SERDES1_LANE1_QSGMII_LANE4 0x0
#define SERDES1_LANE1_PCIE1_LANE1 0x1
#define SERDES1_LANE1_USB3_1 0x2
#define SERDES1_LANE1_SGMII_LANE1 0x3
#define SERDES2_LANE0_PCIE2_LANE0 0x1
#define SERDES2_LANE0_SGMII_LANE0 0x3
#define SERDES2_LANE0_USB3_1_SWAP 0x2
#define SERDES2_LANE1_PCIE2_LANE1 0x1
#define SERDES2_LANE1_USB3_1 0x2
#define SERDES2_LANE1_SGMII_LANE1 0x3
#define SERDES3_LANE0_PCIE3_LANE0 0x1
#define SERDES3_LANE0_USB3_0_SWAP 0x2
#define SERDES3_LANE1_PCIE3_LANE1 0x1
#define SERDES3_LANE1_USB3_0 0x2
#define SERDES4_LANE0_EDP_LANE0 0x0
#define SERDES4_LANE0_QSGMII_LANE5 0x2
#define SERDES4_LANE1_EDP_LANE1 0x0
#define SERDES4_LANE1_QSGMII_LANE6 0x2
#define SERDES4_LANE2_EDP_LANE2 0x0
#define SERDES4_LANE2_QSGMII_LANE7 0x2
#define SERDES4_LANE3_EDP_LANE3 0x0
#define SERDES4_LANE3_QSGMII_LANE8 0x2
#endif /* _DT_BINDINGS_J721E_WIZ */