forked from Minki/linux
4f71612ee3
The fec/enet driver calculates MDC rate with the formula below. ref_freq / ((MII_SPEED + 1) x 2) The ref_freq here is the fec internal module clock, which is missing from clk-vf610 clock driver right now. And clk-vf610 driver mistakenly supplies RMII clock (50 MHz) as the source to fec. This results in the situation that fec driver gets ref_freq as 50 MHz, while physically it runs at 66 MHz (fec module clock physically sources from ipg which runs at 66 MHz). That's why software expects MDC runs at 2.5 MHz, while the measurement tells it runs at 3.3 MHz. And this causes the PHY KSZ8041 keeps swithing between Full and Half mode as below. libphy: 400d0000.etherne:00 - Link is Up - 100/Full libphy: 400d0000.etherne:00 - Link is Up - 100/Half libphy: 400d0000.etherne:00 - Link is Up - 100/Full libphy: 400d0000.etherne:00 - Link is Up - 100/Half libphy: 400d0000.etherne:00 - Link is Up - 100/Full libphy: 400d0000.etherne:00 - Link is Up - 100/Half Add the missing module clock for ENET0 and ENET1, and correct the clock supplying in device tree to fix above issue. Thanks to Alison Wang <b18965@freescale.com> for debugging the issue. Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
465 lines
11 KiB
Plaintext
465 lines
11 KiB
Plaintext
/*
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* Copyright 2013 Freescale Semiconductor, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include "skeleton.dtsi"
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#include "vf610-pinfunc.h"
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#include <dt-bindings/clock/vf610-clock.h>
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/ {
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aliases {
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serial0 = &uart0;
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serial1 = &uart1;
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serial2 = &uart2;
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serial3 = &uart3;
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serial4 = &uart4;
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serial5 = &uart5;
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gpio0 = &gpio1;
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gpio1 = &gpio2;
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gpio2 = &gpio3;
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gpio3 = &gpio4;
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gpio4 = &gpio5;
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};
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu@0 {
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compatible = "arm,cortex-a5";
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device_type = "cpu";
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reg = <0x0>;
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next-level-cache = <&L2>;
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};
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};
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clocks {
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#address-cells = <1>;
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#size-cells = <0>;
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sxosc {
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compatible = "fixed-clock";
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clock-frequency = <32768>;
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};
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fxosc {
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compatible = "fixed-clock";
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clock-frequency = <24000000>;
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};
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};
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soc {
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#address-cells = <1>;
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#size-cells = <1>;
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compatible = "simple-bus";
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interrupt-parent = <&intc>;
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ranges;
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aips0: aips-bus@40000000 {
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compatible = "fsl,aips-bus", "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&intc>;
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reg = <0x40000000 0x70000>;
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ranges;
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intc: interrupt-controller@40002000 {
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compatible = "arm,cortex-a9-gic";
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#interrupt-cells = <3>;
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-controller;
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reg = <0x40003000 0x1000>,
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<0x40002100 0x100>;
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};
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L2: l2-cache@40006000 {
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compatible = "arm,pl310-cache";
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reg = <0x40006000 0x1000>;
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cache-unified;
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cache-level = <2>;
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arm,data-latency = <1 1 1>;
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arm,tag-latency = <2 2 2>;
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};
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uart0: serial@40027000 {
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compatible = "fsl,vf610-lpuart";
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reg = <0x40027000 0x1000>;
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interrupts = <0 61 0x00>;
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clocks = <&clks VF610_CLK_UART0>;
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clock-names = "ipg";
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status = "disabled";
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};
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uart1: serial@40028000 {
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compatible = "fsl,vf610-lpuart";
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reg = <0x40028000 0x1000>;
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interrupts = <0 62 0x04>;
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clocks = <&clks VF610_CLK_UART1>;
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clock-names = "ipg";
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status = "disabled";
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};
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uart2: serial@40029000 {
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compatible = "fsl,vf610-lpuart";
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reg = <0x40029000 0x1000>;
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interrupts = <0 63 0x04>;
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clocks = <&clks VF610_CLK_UART2>;
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clock-names = "ipg";
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status = "disabled";
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};
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uart3: serial@4002a000 {
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compatible = "fsl,vf610-lpuart";
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reg = <0x4002a000 0x1000>;
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interrupts = <0 64 0x04>;
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clocks = <&clks VF610_CLK_UART3>;
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clock-names = "ipg";
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status = "disabled";
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};
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sai2: sai@40031000 {
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compatible = "fsl,vf610-sai";
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reg = <0x40031000 0x1000>;
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interrupts = <0 86 0x04>;
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clocks = <&clks VF610_CLK_SAI2>;
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clock-names = "sai";
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status = "disabled";
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};
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pit: pit@40037000 {
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compatible = "fsl,vf610-pit";
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reg = <0x40037000 0x1000>;
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interrupts = <0 39 0x04>;
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clocks = <&clks VF610_CLK_PIT>;
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clock-names = "pit";
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};
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wdog@4003e000 {
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compatible = "fsl,vf610-wdt", "fsl,imx21-wdt";
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reg = <0x4003e000 0x1000>;
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clocks = <&clks VF610_CLK_WDT>;
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clock-names = "wdog";
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};
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qspi0: quadspi@40044000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "fsl,vf610-qspi";
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reg = <0x40044000 0x1000>;
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interrupts = <0 24 0x04>;
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clocks = <&clks VF610_CLK_QSPI0_EN>,
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<&clks VF610_CLK_QSPI0>;
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clock-names = "qspi_en", "qspi";
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status = "disabled";
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};
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iomuxc: iomuxc@40048000 {
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compatible = "fsl,vf610-iomuxc";
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reg = <0x40048000 0x1000>;
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#gpio-range-cells = <3>;
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/* functions and groups pins */
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dcu0 {
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pinctrl_dcu0_1: dcu0grp_1 {
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fsl,pins = <
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VF610_PAD_PTB8__GPIO_30 0x42
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VF610_PAD_PTE0__DCU0_HSYNC 0x42
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VF610_PAD_PTE1__DCU0_VSYNC 0x42
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VF610_PAD_PTE2__DCU0_PCLK 0x42
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VF610_PAD_PTE4__DCU0_DE 0x42
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VF610_PAD_PTE5__DCU0_R0 0x42
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VF610_PAD_PTE6__DCU0_R1 0x42
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VF610_PAD_PTE7__DCU0_R2 0x42
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VF610_PAD_PTE8__DCU0_R3 0x42
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VF610_PAD_PTE9__DCU0_R4 0x42
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VF610_PAD_PTE10__DCU0_R5 0x42
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VF610_PAD_PTE11__DCU0_R6 0x42
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VF610_PAD_PTE12__DCU0_R7 0x42
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VF610_PAD_PTE13__DCU0_G0 0x42
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VF610_PAD_PTE14__DCU0_G1 0x42
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VF610_PAD_PTE15__DCU0_G2 0x42
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VF610_PAD_PTE16__DCU0_G3 0x42
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VF610_PAD_PTE17__DCU0_G4 0x42
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VF610_PAD_PTE18__DCU0_G5 0x42
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VF610_PAD_PTE19__DCU0_G6 0x42
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VF610_PAD_PTE20__DCU0_G7 0x42
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VF610_PAD_PTE21__DCU0_B0 0x42
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VF610_PAD_PTE22__DCU0_B1 0x42
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VF610_PAD_PTE23__DCU0_B2 0x42
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VF610_PAD_PTE24__DCU0_B3 0x42
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VF610_PAD_PTE25__DCU0_B4 0x42
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VF610_PAD_PTE26__DCU0_B5 0x42
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VF610_PAD_PTE27__DCU0_B6 0x42
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VF610_PAD_PTE28__DCU0_B7 0x42
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>;
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};
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};
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dspi0 {
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pinctrl_dspi0_1: dspi0grp_1 {
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fsl,pins = <
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VF610_PAD_PTB19__DSPI0_CS0 0x1182
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VF610_PAD_PTB20__DSPI0_SIN 0x1181
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VF610_PAD_PTB21__DSPI0_SOUT 0x1182
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VF610_PAD_PTB22__DSPI0_SCK 0x1182
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>;
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};
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};
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esdhc1 {
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pinctrl_esdhc1_1: esdhc1grp_1 {
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fsl,pins = <
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VF610_PAD_PTA24__ESDHC1_CLK 0x31ef
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VF610_PAD_PTA25__ESDHC1_CMD 0x31ef
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VF610_PAD_PTA26__ESDHC1_DAT0 0x31ef
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VF610_PAD_PTA27__ESDHC1_DAT1 0x31ef
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VF610_PAD_PTA28__ESDHC1_DATA2 0x31ef
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VF610_PAD_PTA29__ESDHC1_DAT3 0x31ef
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VF610_PAD_PTA7__GPIO_134 0x219d
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>;
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};
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};
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fec0 {
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pinctrl_fec0_1: fec0grp_1 {
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fsl,pins = <
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VF610_PAD_PTA6__RMII_CLKIN 0x30d1
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VF610_PAD_PTC0__ENET_RMII0_MDC 0x30d3
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VF610_PAD_PTC1__ENET_RMII0_MDIO 0x30d1
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VF610_PAD_PTC2__ENET_RMII0_CRS 0x30d1
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VF610_PAD_PTC3__ENET_RMII0_RXD1 0x30d1
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VF610_PAD_PTC4__ENET_RMII0_RXD0 0x30d1
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VF610_PAD_PTC5__ENET_RMII0_RXER 0x30d1
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VF610_PAD_PTC6__ENET_RMII0_TXD1 0x30d2
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VF610_PAD_PTC7__ENET_RMII0_TXD0 0x30d2
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VF610_PAD_PTC8__ENET_RMII0_TXEN 0x30d2
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>;
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};
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};
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fec1 {
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pinctrl_fec1_1: fec1grp_1 {
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fsl,pins = <
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VF610_PAD_PTC9__ENET_RMII1_MDC 0x30d2
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VF610_PAD_PTC10__ENET_RMII1_MDIO 0x30d3
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VF610_PAD_PTC11__ENET_RMII1_CRS 0x30d1
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VF610_PAD_PTC12__ENET_RMII_RXD1 0x30d1
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VF610_PAD_PTC13__ENET_RMII1_RXD0 0x30d1
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VF610_PAD_PTC14__ENET_RMII1_RXER 0x30d1
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VF610_PAD_PTC15__ENET_RMII1_TXD1 0x30d2
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VF610_PAD_PTC16__ENET_RMII1_TXD0 0x30d2
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VF610_PAD_PTC17__ENET_RMII1_TXEN 0x30d2
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>;
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};
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};
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i2c0 {
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pinctrl_i2c0_1: i2c0grp_1 {
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fsl,pins = <
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VF610_PAD_PTB14__I2C0_SCL 0x30d3
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VF610_PAD_PTB15__I2C0_SDA 0x30d3
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>;
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};
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};
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pwm0 {
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pinctrl_pwm0_1: pwm0grp_1 {
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fsl,pins = <
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VF610_PAD_PTB0__FTM0_CH0 0x1582
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VF610_PAD_PTB1__FTM0_CH1 0x1582
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VF610_PAD_PTB2__FTM0_CH2 0x1582
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VF610_PAD_PTB3__FTM0_CH3 0x1582
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VF610_PAD_PTB6__FTM0_CH6 0x1582
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VF610_PAD_PTB7__FTM0_CH7 0x1582
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>;
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};
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};
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qspi0 {
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pinctrl_qspi0_1: qspi0grp_1 {
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fsl,pins = <
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VF610_PAD_PTD0__QSPI0_A_QSCK 0x307b
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VF610_PAD_PTD1__QSPI0_A_CS0 0x307f
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VF610_PAD_PTD2__QSPI0_A_DATA3 0x3073
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VF610_PAD_PTD3__QSPI0_A_DATA2 0x3073
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VF610_PAD_PTD4__QSPI0_A_DATA1 0x3073
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VF610_PAD_PTD5__QSPI0_A_DATA0 0x307b
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VF610_PAD_PTD7__QSPI0_B_QSCK 0x307b
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VF610_PAD_PTD8__QSPI0_B_CS0 0x307f
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VF610_PAD_PTD9__QSPI0_B_DATA3 0x3073
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VF610_PAD_PTD10__QSPI0_B_DATA2 0x3073
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VF610_PAD_PTD11__QSPI0_B_DATA1 0x3073
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VF610_PAD_PTD12__QSPI0_B_DATA0 0x307b
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>;
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};
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};
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sai2 {
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pinctrl_sai2_1: sai2grp_1 {
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fsl,pins = <
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VF610_PAD_PTA16__SAI2_TX_BCLK 0x02ed
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VF610_PAD_PTA18__SAI2_TX_DATA 0x02ee
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VF610_PAD_PTA19__SAI2_TX_SYNC 0x02ed
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VF610_PAD_PTA21__SAI2_RX_BCLK 0x02ed
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VF610_PAD_PTA22__SAI2_RX_DATA 0x02ed
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VF610_PAD_PTA23__SAI2_RX_SYNC 0x02ed
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VF610_PAD_PTB18__EXT_AUDIO_MCLK 0x02ed
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>;
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};
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};
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uart1 {
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pinctrl_uart1_1: uart1grp_1 {
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fsl,pins = <
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VF610_PAD_PTB4__UART1_TX 0x21a2
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VF610_PAD_PTB5__UART1_RX 0x21a1
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>;
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};
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};
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usbvbus {
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pinctrl_usbvbus_1: usbvbusgrp_1 {
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fsl,pins = <
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VF610_PAD_PTA24__USB1_VBUS_EN 0x219c
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VF610_PAD_PTA16__USB0_VBUS_EN 0x219c
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>;
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};
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};
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};
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gpio1: gpio@40049000 {
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compatible = "fsl,vf610-gpio";
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reg = <0x40049000 0x1000 0x400ff000 0x40>;
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interrupts = <0 107 0x04>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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gpio-ranges = <&iomuxc 0 0 32>;
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};
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gpio2: gpio@4004a000 {
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compatible = "fsl,vf610-gpio";
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reg = <0x4004a000 0x1000 0x400ff040 0x40>;
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interrupts = <0 108 0x04>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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gpio-ranges = <&iomuxc 0 32 32>;
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};
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gpio3: gpio@4004b000 {
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compatible = "fsl,vf610-gpio";
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reg = <0x4004b000 0x1000 0x400ff080 0x40>;
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interrupts = <0 109 0x04>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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gpio-ranges = <&iomuxc 0 64 32>;
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};
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gpio4: gpio@4004c000 {
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compatible = "fsl,vf610-gpio";
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reg = <0x4004c000 0x1000 0x400ff0c0 0x40>;
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interrupts = <0 110 0x04>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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gpio-ranges = <&iomuxc 0 96 32>;
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};
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gpio5: gpio@4004d000 {
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compatible = "fsl,vf610-gpio";
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reg = <0x4004d000 0x1000 0x400ff100 0x40>;
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interrupts = <0 111 0x04>;
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gpio-controller;
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#gpio-cells = <2>;
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interrupt-controller;
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#interrupt-cells = <2>;
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gpio-ranges = <&iomuxc 0 128 7>;
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};
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anatop@40050000 {
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compatible = "fsl,vf610-anatop";
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reg = <0x40050000 0x1000>;
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};
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i2c0: i2c@40066000 {
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#address-cells = <1>;
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#size-cells = <0>;
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compatible = "fsl,vf610-i2c";
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reg = <0x40066000 0x1000>;
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interrupts =<0 71 0x04>;
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clocks = <&clks VF610_CLK_I2C0>;
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clock-names = "ipg";
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status = "disabled";
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};
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clks: ccm@4006b000 {
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compatible = "fsl,vf610-ccm";
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reg = <0x4006b000 0x1000>;
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#clock-cells = <1>;
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};
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};
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aips1: aips-bus@40080000 {
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compatible = "fsl,aips-bus", "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0x40080000 0x80000>;
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ranges;
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uart4: serial@400a9000 {
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compatible = "fsl,vf610-lpuart";
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reg = <0x400a9000 0x1000>;
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interrupts = <0 65 0x04>;
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clocks = <&clks VF610_CLK_UART4>;
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clock-names = "ipg";
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status = "disabled";
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};
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uart5: serial@400aa000 {
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compatible = "fsl,vf610-lpuart";
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reg = <0x400aa000 0x1000>;
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interrupts = <0 66 0x04>;
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clocks = <&clks VF610_CLK_UART5>;
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clock-names = "ipg";
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status = "disabled";
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};
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fec0: ethernet@400d0000 {
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compatible = "fsl,mvf600-fec";
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reg = <0x400d0000 0x1000>;
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interrupts = <0 78 0x04>;
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clocks = <&clks VF610_CLK_ENET0>,
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<&clks VF610_CLK_ENET0>,
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<&clks VF610_CLK_ENET>;
|
|
clock-names = "ipg", "ahb", "ptp";
|
|
status = "disabled";
|
|
};
|
|
|
|
fec1: ethernet@400d1000 {
|
|
compatible = "fsl,mvf600-fec";
|
|
reg = <0x400d1000 0x1000>;
|
|
interrupts = <0 79 0x04>;
|
|
clocks = <&clks VF610_CLK_ENET1>,
|
|
<&clks VF610_CLK_ENET1>,
|
|
<&clks VF610_CLK_ENET>;
|
|
clock-names = "ipg", "ahb", "ptp";
|
|
status = "disabled";
|
|
};
|
|
};
|
|
};
|
|
};
|