490 lines
14 KiB
Plaintext
490 lines
14 KiB
Plaintext
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Device tree for Winterland IceBoard
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*
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* https://mcgillcosmology.com
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* https://threespeedlogic.com
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*
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* This is an ARM + FPGA instrumentation board used at telescopes in
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* Antarctica (the South Pole Telescope), Chile (POLARBEAR), and at the DRAO
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* observatory in British Columbia (CHIME).
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*
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* Copyright (c) 2019 Three-Speed Logic, Inc. <gsmecher@threespeedlogic.com>
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*/
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/dts-v1/;
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#include "dm814x.dtsi"
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#include <dt-bindings/interrupt-controller/irq.h>
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/ {
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model = "Winterland IceBoard";
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compatible = "ti,dm8148", "ti,dm814";
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chosen {
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stdout-path = "serial1:115200n8";
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bootargs = "earlycon";
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};
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memory@80000000 {
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device_type = "memory";
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reg = <0x80000000 0x40000000>; /* 1 GB */
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};
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vmmcsd_fixed: fixedregulator0 {
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compatible = "regulator-fixed";
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regulator-name = "vmmcsd_fixed";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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};
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/* The MAC provides internal delay for the transmit path ONLY, which is enabled
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* provided no -id/-txid/-rxid suffix is provided to "phy-mode".
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*
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* The receive path is delayed at the PHY. The recommended register settings
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* are 0xf0 for the control bits, and 0x7777 for the data bits. However, the
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* conversion code in the kernel lies: the PHY's registers are 120 ps per tap,
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* and the kernel assumes 200 ps per tap. So we have fudged the numbers here to
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* obtain the correct register settings.
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*/
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&mac { dual_emac = <1>; };
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&cpsw_emac0 {
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phy-handle = <ðphy0>;
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phy-mode = "rgmii";
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dual_emac_res_vlan = <1>;
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};
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&cpsw_emac1 {
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phy-handle = <ðphy1>;
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phy-mode = "rgmii";
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dual_emac_res_vlan = <2>;
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};
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&davinci_mdio {
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ethphy0: ethernet-phy@0 {
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reg = <0x2>;
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rxc-skew-ps = <3000>;
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rxdv-skew-ps = <0>;
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rxd3-skew-ps = <0>;
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rxd2-skew-ps = <0>;
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rxd1-skew-ps = <0>;
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rxd0-skew-ps = <0>;
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phy-reset-gpios = <&gpio2 8 GPIO_ACTIVE_LOW>;
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};
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ethphy1: ethernet-phy@1 {
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reg = <0x1>;
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rxc-skew-ps = <3000>;
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rxdv-skew-ps = <0>;
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rxd3-skew-ps = <0>;
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rxd2-skew-ps = <0>;
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rxd1-skew-ps = <0>;
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rxd0-skew-ps = <0>;
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phy-reset-gpios = <&gpio2 1 GPIO_ACTIVE_LOW>;
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};
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};
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&mmc1 { status = "disabled"; };
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&mmc2 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc2_pins>;
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vmmc-supply = <&vmmcsd_fixed>;
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bus-width = <4>;
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};
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&mmc3 { status = "disabled"; };
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&i2c1 {
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/* Most I2C activity happens through this port, with the sole exception
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* of the backplane. Since there are multiply assigned addresses, the
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* "i2c-mux-idle-disconnect" is important.
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*/
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pca9548@70 {
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compatible = "nxp,pca9548";
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reg = <0x70>;
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#address-cells = <1>;
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#size-cells = <0>;
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i2c-mux-idle-disconnect;
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i2c@0 {
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/* FMC A */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <0>;
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};
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i2c@1 {
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/* FMC B */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <1>;
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};
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i2c@2 {
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/* QSFP A */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <2>;
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};
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i2c@3 {
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/* QSFP B */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <3>;
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};
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i2c@4 {
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/* SFP */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <4>;
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};
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i2c@5 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <5>;
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ina230@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <5000>; };
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ina230@41 { compatible = "ti,ina230"; reg = <0x41>; shunt-resistor = <5000>; };
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ina230@42 { compatible = "ti,ina230"; reg = <0x42>; shunt-resistor = <5000>; };
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ina230@44 { compatible = "ti,ina230"; reg = <0x44>; shunt-resistor = <5000>; };
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ina230@45 { compatible = "ti,ina230"; reg = <0x45>; shunt-resistor = <5000>; };
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ina230@46 { compatible = "ti,ina230"; reg = <0x46>; shunt-resistor = <5000>; };
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ina230@47 { compatible = "ti,ina230"; reg = <0x47>; shunt-resistor = <5500>; };
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ina230@48 { compatible = "ti,ina230"; reg = <0x48>; shunt-resistor = <2360>; };
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ina230@49 { compatible = "ti,ina230"; reg = <0x49>; shunt-resistor = <2360>; };
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ina230@43 { compatible = "ti,ina230"; reg = <0x43>; shunt-resistor = <2360>; };
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ina230@4b { compatible = "ti,ina230"; reg = <0x4b>; shunt-resistor = <5500>; };
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ina230@4c { compatible = "ti,ina230"; reg = <0x4c>; shunt-resistor = <2360>; };
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ina230@4d { compatible = "ti,ina230"; reg = <0x4d>; shunt-resistor = <770>; };
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ina230@4e { compatible = "ti,ina230"; reg = <0x4e>; shunt-resistor = <770>; };
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ina230@4f { compatible = "ti,ina230"; reg = <0x4f>; shunt-resistor = <770>; };
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};
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i2c@6 {
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/* Backplane */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <6>;
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};
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i2c@7 {
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <7>;
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u41: pca9575@20 {
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compatible = "nxp,pca9575";
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reg = <0x20>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names =
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"FMCA_EN_12V0", "FMCA_EN_3V3", "FMCA_EN_VADJ", "FMCA_PG_M2C",
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"FMCA_PG_C2M", "FMCA_PRSNT_M2C_L", "FMCA_CLK_DIR", "SFP_LOS",
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"FMCB_EN_12V0", "FMCB_EN_3V3", "FMCB_EN_VADJ", "FMCB_PG_M2C",
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"FMCB_PG_C2M", "FMCB_PRSNT_M2C_L", "FMCB_CLK_DIR", "SFP_ModPrsL";
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reset-gpios = <&gpio2 11 GPIO_ACTIVE_LOW>;
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};
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u42: pca9575@21 {
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compatible = "nxp,pca9575";
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reg = <0x21>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names =
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"QSFPA_ModPrsL", "QSFPA_IntL", "QSFPA_ResetL", "QSFPA_ModSelL",
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"QSFPA_LPMode", "QSFPB_ModPrsL", "QSFPB_IntL", "QSFPB_ResetL",
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"SFP_TxFault", "SFP_TxDisable", "SFP_RS0", "SFP_RS1",
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"QSFPB_ModSelL", "QSFPB_LPMode", "SEL_SFP", "ARM_MR";
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reset-gpios = <&gpio2 11 GPIO_ACTIVE_LOW>;
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};
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u48: pca9575@22 {
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compatible = "nxp,pca9575";
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reg = <0x22>;
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gpio-controller;
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#gpio-cells = <2>;
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sw-gpios = <&u48 0 0>, <&u48 1 0>, <&u48 2 0>, <&u48 3 0>,
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<&u48 4 0>, <&u48 5 0>, <&u48 6 0>, <&u48 7 0>;
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led-gpios = <&u48 7 0>, <&u48 6 0>, <&u48 5 0>, <&u48 4 0>,
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<&u48 3 0>, <&u48 2 0>, <&u48 1 0>, <&u48 0 0>;
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gpio-line-names =
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"GP_SW1", "GP_SW2", "GP_SW3", "GP_SW4",
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"GP_SW5", "GP_SW6", "GP_SW7", "GP_SW8",
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"GP_LED8", "GP_LED7", "GP_LED6", "GP_LED5",
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"GP_LED4", "GP_LED3", "GP_LED2", "GP_LED1";
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reset-gpios = <&gpio2 11 GPIO_ACTIVE_LOW>;
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};
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u59: pca9575@23 {
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compatible = "nxp,pca9575";
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reg = <0x23>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-line-names =
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"GP_LED9", "GP_LED10", "GP_LED11", "GP_LED12",
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"GTX1V8PowerFault", "PHYAPowerFault", "PHYBPowerFault", "ArmPowerFault",
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"BP_SLOW_GPIO0", "BP_SLOW_GPIO1", "BP_SLOW_GPIO2", "BP_SLOW_GPIO3",
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"BP_SLOW_GPIO4", "BP_SLOW_GPIO5", "__unused_u59_p16", "__unused_u59_p17";
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reset-gpios = <&gpio2 11 GPIO_ACTIVE_LOW>;
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};
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tmp100@48 { compatible = "ti,tmp100"; reg = <0x48>; };
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tmp100@4a { compatible = "ti,tmp100"; reg = <0x4a>; };
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tmp100@4b { compatible = "ti,tmp100"; reg = <0x4b>; };
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tmp100@4c { compatible = "ti,tmp100"; reg = <0x4c>; };
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/* EEPROM bank and serial number are treated as separate devices */
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at24c01@57 { compatible = "atmel,24c01"; reg = <0x57>; };
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at24cs01@5f { compatible = "atmel,24cs01"; reg = <0x5f>; };
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};
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};
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};
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&i2c2 {
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pca9548@71 {
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compatible = "nxp,pca9548";
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reg = <0x71>;
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#address-cells = <1>;
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#size-cells = <0>;
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i2c@6 {
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/* Backplane */
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#address-cells = <1>;
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#size-cells = <0>;
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reg = <6>;
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multi-master;
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/* All backplanes should have this -- it's how we know they're there. */
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at24c08@54 { compatible="atmel,24c08"; reg=<0x54>; };
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at24cs08@5c { compatible="atmel,24cs08"; reg=<0x5c>; };
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/* 16 slot backplane */
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tmp421@4d { compatible="ti,tmp421"; reg=<0x4d>; };
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tmp421@4e { compatible="ti,tmp421"; reg=<0x4e>; };
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ina230@40 { compatible = "ti,ina230"; reg = <0x40>; shunt-resistor = <2360>; };
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amc6821@18 { compatible = "ti,amc6821"; reg = <0x18>; };
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/* Single slot backplane */
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};
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};
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};
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&pincntl {
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mmc2_pins: pinmux_mmc2_pins {
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pinctrl-single,pins = <
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DM814X_IOPAD(0x0800, PIN_INPUT | 0x1) /* SD1_CLK */
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DM814X_IOPAD(0x0804, PIN_INPUT_PULLUP | 0x1) /* SD1_CMD */
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DM814X_IOPAD(0x0808, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[0] */
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DM814X_IOPAD(0x080c, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[1] */
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DM814X_IOPAD(0x0810, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[2] */
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DM814X_IOPAD(0x0814, PIN_INPUT_PULLUP | 0x1) /* SD1_DAT[3] */
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DM814X_IOPAD(0x0924, PIN_INPUT_PULLUP | 0x40) /* SD1_POW */
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DM814X_IOPAD(0x0928, PIN_INPUT | 0x40) /* SD1_SDWP */
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DM814X_IOPAD(0x093C, PIN_INPUT | 0x2) /* SD1_SDCD */
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>;
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};
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usb0_pins: pinmux_usb0_pins {
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pinctrl-single,pins = <
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DM814X_IOPAD(0x0c34, PIN_OUTPUT | 0x1) /* USB0_DRVVBUS */
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>;
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};
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usb1_pins: pinmux_usb1_pins {
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pinctrl-single,pins = <
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DM814X_IOPAD(0x0834, PIN_OUTPUT | 0x80) /* USB1_DRVVBUS */
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>;
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};
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gpio1_pins: pinmux_gpio1_pins {
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pinctrl-single,pins = <
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DM814X_IOPAD(0x081c, PIN_OUTPUT | 0x80) /* PROGRAM_B */
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DM814X_IOPAD(0x0820, PIN_INPUT | 0x80) /* INIT_B */
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DM814X_IOPAD(0x0824, PIN_INPUT | 0x80) /* DONE */
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DM814X_IOPAD(0x0838, PIN_INPUT_PULLUP | 0x80) /* FMCA_TMS */
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DM814X_IOPAD(0x083c, PIN_INPUT_PULLUP | 0x80) /* FMCA_TCK */
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DM814X_IOPAD(0x0898, PIN_INPUT_PULLUP | 0x80) /* FMCA_TDO */
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DM814X_IOPAD(0x089c, PIN_INPUT_PULLUP | 0x80) /* FMCA_TDI */
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DM814X_IOPAD(0x08ac, PIN_INPUT_PULLUP | 0x80) /* FMCA_TRST */
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DM814X_IOPAD(0x08b0, PIN_INPUT_PULLUP | 0x80) /* FMCB_TMS */
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DM814X_IOPAD(0x0a88, PIN_INPUT_PULLUP | 0x80) /* FMCB_TCK */
|
||
|
|
DM814X_IOPAD(0x0a8c, PIN_INPUT_PULLUP | 0x80) /* FMCB_TDO */
|
||
|
|
DM814X_IOPAD(0x08bc, PIN_INPUT_PULLUP | 0x80) /* FMCB_TDI */
|
||
|
|
DM814X_IOPAD(0x0a94, PIN_INPUT_PULLUP | 0x80) /* FMCB_TRST */
|
||
|
|
|
||
|
|
DM814X_IOPAD(0x08d4, PIN_INPUT_PULLUP | 0x80) /* FPGA_TMS */
|
||
|
|
DM814X_IOPAD(0x0aa8, PIN_INPUT_PULLUP | 0x80) /* FPGA_TCK */
|
||
|
|
DM814X_IOPAD(0x0adc, PIN_INPUT_PULLUP | 0x80) /* FPGA_TDO */
|
||
|
|
DM814X_IOPAD(0x0ab0, PIN_INPUT_PULLUP | 0x80) /* FPGA_TDI */
|
||
|
|
>;
|
||
|
|
};
|
||
|
|
|
||
|
|
gpio2_pins: pinmux_gpio2_pins {
|
||
|
|
pinctrl-single,pins = <
|
||
|
|
DM814X_IOPAD(0x090c, PIN_INPUT_PULLUP | 0x80) /* PHY A IRQ */
|
||
|
|
DM814X_IOPAD(0x0910, PIN_INPUT_PULLUP | 0x80) /* PHY A RESET */
|
||
|
|
DM814X_IOPAD(0x08f4, PIN_INPUT_PULLUP | 0x80) /* PHY B IRQ */
|
||
|
|
DM814X_IOPAD(0x08f8, PIN_INPUT_PULLUP | 0x80) /* PHY B RESET */
|
||
|
|
|
||
|
|
//DM814X_IOPAD(0x0a14, PIN_INPUT_PULLUP | 0x80) /* ARM IRQ */
|
||
|
|
//DM814X_IOPAD(0x0900, PIN_INPUT | 0x80) /* GPIO IRQ */
|
||
|
|
DM814X_IOPAD(0x0a2c, PIN_INPUT_PULLUP | 0x80) /* GPIO RESET */
|
||
|
|
>;
|
||
|
|
};
|
||
|
|
|
||
|
|
gpio4_pins: pinmux_gpio4_pins {
|
||
|
|
pinctrl-single,pins = <
|
||
|
|
/* The PLL doesn't react well to the SPI controller reset, so
|
||
|
|
* we force the CS lines to pull up as GPIOs until we're ready.
|
||
|
|
* See https://e2e.ti.com/support/processors/f/791/t/276011?Linux-support-for-AM3874-DM8148-in-Arago-linux-omap3
|
||
|
|
*/
|
||
|
|
DM814X_IOPAD(0x0b3c, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO0 */
|
||
|
|
DM814X_IOPAD(0x0b40, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO1 */
|
||
|
|
DM814X_IOPAD(0x0b44, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO2 */
|
||
|
|
DM814X_IOPAD(0x0b48, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO3 */
|
||
|
|
DM814X_IOPAD(0x0b4c, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO4 */
|
||
|
|
DM814X_IOPAD(0x0b50, PIN_INPUT_PULLUP | 0x80) /* BP_ARM_GPIO5 */
|
||
|
|
>;
|
||
|
|
};
|
||
|
|
|
||
|
|
spi2_pins: pinmux_spi2_pins {
|
||
|
|
pinctrl-single,pins = <
|
||
|
|
DM814X_IOPAD(0x0950, PIN_INPUT_PULLUP | 0x80) /* PLL SPI CS1 as GPIO */
|
||
|
|
DM814X_IOPAD(0x0818, PIN_INPUT_PULLUP | 0x80) /* PLL SPI CS2 as GPIO */
|
||
|
|
>;
|
||
|
|
};
|
||
|
|
|
||
|
|
spi4_pins: pinmux_spi4_pins {
|
||
|
|
pinctrl-single,pins = <
|
||
|
|
DM814X_IOPAD(0x0a7c, 0x20)
|
||
|
|
DM814X_IOPAD(0x0b74, 0x20)
|
||
|
|
DM814X_IOPAD(0x0b78, PIN_OUTPUT | 0x20)
|
||
|
|
DM814X_IOPAD(0x0b7c, PIN_OUTPUT_PULLDOWN | 0x20)
|
||
|
|
DM814X_IOPAD(0x0b80, PIN_INPUT | 0x20)
|
||
|
|
>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
&gpio1 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&gpio1_pins>;
|
||
|
|
gpio-line-names =
|
||
|
|
"", "PROGRAM_B", "INIT_B", "DONE", /* 0-3 */
|
||
|
|
"", "", "", "", /* 4-7 */
|
||
|
|
"FMCA_TMS", "FMCA_TCK", "FMCA_TDO", "FMCA_TDI", /* 8-11 */
|
||
|
|
"", "", "", "FMCA_TRST", /* 12-15 */
|
||
|
|
"FMCB_TMS", "FMCB_TCK", "FMCB_TDO", "FMCB_TDI", /* 16-19 */
|
||
|
|
"FMCB_TRST", "", "", "", /* 20-23 */
|
||
|
|
"FPGA_TMS", "FPGA_TCK", "FPGA_TDO", "FPGA_TDI", /* 24-27 */
|
||
|
|
"", "", "", ""; /* 28-31 */
|
||
|
|
};
|
||
|
|
|
||
|
|
&gpio2 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&gpio2_pins>;
|
||
|
|
gpio-line-names =
|
||
|
|
"PHYA_IRQ_N", "PHYA_RESET_N", "", "", /* 0-3 */
|
||
|
|
"", "", "", "PHYB_IRQ_N", /* 4-7 */
|
||
|
|
"PHYB_RESET_N", "ARM_IRQ", "GPIO_IRQ", ""; /* 8-11 */
|
||
|
|
};
|
||
|
|
|
||
|
|
&gpio3 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
/*pinctrl-0 = <&gpio3_pins>;*/
|
||
|
|
gpio-line-names =
|
||
|
|
"", "", "ARMClkSel0", "", /* 0-3 */
|
||
|
|
"EnFPGARef", "", "", "ARMClkSel1"; /* 4-7 */
|
||
|
|
};
|
||
|
|
|
||
|
|
&gpio4 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&gpio4_pins>;
|
||
|
|
gpio-line-names =
|
||
|
|
"BP_ARM_GPIO0", "BP_ARM_GPIO1", "BP_ARM_GPIO2", "BP_ARM_GPIO3",
|
||
|
|
"BP_ARM_GPIO4", "BP_ARM_GPIO5";
|
||
|
|
};
|
||
|
|
|
||
|
|
&usb0 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&usb0_pins>;
|
||
|
|
dr_mode = "host";
|
||
|
|
};
|
||
|
|
|
||
|
|
&usb1 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&usb1_pins>;
|
||
|
|
dr_mode = "host";
|
||
|
|
};
|
||
|
|
|
||
|
|
&mcspi1 {
|
||
|
|
flash@0 {
|
||
|
|
#address-cells = <1>;
|
||
|
|
#size-cells = <1>;
|
||
|
|
compatible = "jedec,spi-nor";
|
||
|
|
reg = <0>;
|
||
|
|
spi-max-frequency = <40000000>;
|
||
|
|
|
||
|
|
fsbl@0 {
|
||
|
|
/* 256 kB */
|
||
|
|
label = "U-Boot-min";
|
||
|
|
reg = <0 0x40000>;
|
||
|
|
};
|
||
|
|
ssbl@1 {
|
||
|
|
/* 512 kB */
|
||
|
|
label = "U-Boot";
|
||
|
|
reg = <0x40000 0x80000>;
|
||
|
|
};
|
||
|
|
bootenv@2 {
|
||
|
|
/* 256 kB */
|
||
|
|
label = "U-Boot Env";
|
||
|
|
reg = <0xc0000 0x40000>;
|
||
|
|
};
|
||
|
|
kernel@3 {
|
||
|
|
/* 4 MB */
|
||
|
|
label = "Kernel";
|
||
|
|
reg = <0x100000 0x400000>;
|
||
|
|
};
|
||
|
|
ipmi@4 {
|
||
|
|
label = "IPMI FRU";
|
||
|
|
reg = <0x500000 0x40000>;
|
||
|
|
};
|
||
|
|
fs@5 {
|
||
|
|
label = "File System";
|
||
|
|
reg = <0x540000 0x1ac0000>;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
&mcspi3 {
|
||
|
|
/* DMA event numbers stolen from MCASP */
|
||
|
|
dmas = <&edma_xbar 8 0 16 &edma_xbar 9 0 17
|
||
|
|
&edma_xbar 10 0 18 &edma_xbar 11 0 19>;
|
||
|
|
dma-names = "tx0", "rx0", "tx1", "rx1";
|
||
|
|
};
|
||
|
|
|
||
|
|
&mcspi4 {
|
||
|
|
pinctrl-names = "default";
|
||
|
|
pinctrl-0 = <&spi4_pins>;
|
||
|
|
|
||
|
|
/* DMA event numbers stolen from MCASP, MCBSP */
|
||
|
|
dmas = <&edma_xbar 12 0 20 &edma_xbar 13 0 21>;
|
||
|
|
dma-names = "tx0", "rx0";
|
||
|
|
};
|