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The SAR ADC can measure the chip temperature of the SoC. This only works if the chip is calibrated and if the calibration data is written to the correct registers. The calibration data is stored in the upper two bytes of eFuse offset 0x1f4. This adds the eFuse cell for the temperature calibration data and passes it to the SAR ADC. We also need to pass the HHI sysctrl node to the SAR ADC because the 4th TSC (temperature sensor calibration coefficient) bit is stored in the HHI region (unlike bits [3:0] which are stored directly inside the SAR ADC's register area). On boards that have the SAR ADC enabled channel 8 can be used to measure the chip temperature. Signed-off-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
613 lines
15 KiB
Plaintext
613 lines
15 KiB
Plaintext
/*
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* Copyright 2014 Carlo Caione <carlo@caione.org>
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <dt-bindings/clock/meson8b-clkc.h>
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#include <dt-bindings/gpio/meson8-gpio.h>
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#include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
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#include <dt-bindings/reset/amlogic,meson8b-reset.h>
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#include "meson.dtsi"
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/ {
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model = "Amlogic Meson8 SoC";
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compatible = "amlogic,meson8";
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cpus {
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#address-cells = <1>;
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#size-cells = <0>;
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cpu0: cpu@200 {
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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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reg = <0x200>;
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enable-method = "amlogic,meson8-smp";
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resets = <&clkc CLKC_RESET_CPU0_SOFT_RESET>;
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operating-points-v2 = <&cpu_opp_table>;
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clocks = <&clkc CLKID_CPUCLK>;
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};
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cpu1: cpu@201 {
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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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reg = <0x201>;
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enable-method = "amlogic,meson8-smp";
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resets = <&clkc CLKC_RESET_CPU1_SOFT_RESET>;
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operating-points-v2 = <&cpu_opp_table>;
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clocks = <&clkc CLKID_CPUCLK>;
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};
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cpu2: cpu@202 {
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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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reg = <0x202>;
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enable-method = "amlogic,meson8-smp";
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resets = <&clkc CLKC_RESET_CPU2_SOFT_RESET>;
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operating-points-v2 = <&cpu_opp_table>;
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clocks = <&clkc CLKID_CPUCLK>;
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};
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cpu3: cpu@203 {
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device_type = "cpu";
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compatible = "arm,cortex-a9";
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next-level-cache = <&L2>;
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reg = <0x203>;
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enable-method = "amlogic,meson8-smp";
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resets = <&clkc CLKC_RESET_CPU3_SOFT_RESET>;
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operating-points-v2 = <&cpu_opp_table>;
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clocks = <&clkc CLKID_CPUCLK>;
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};
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};
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cpu_opp_table: opp-table {
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compatible = "operating-points-v2";
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opp-shared;
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opp-96000000 {
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opp-hz = /bits/ 64 <96000000>;
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opp-microvolt = <825000>;
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};
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opp-192000000 {
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opp-hz = /bits/ 64 <192000000>;
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opp-microvolt = <825000>;
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};
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opp-312000000 {
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opp-hz = /bits/ 64 <312000000>;
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opp-microvolt = <825000>;
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};
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opp-408000000 {
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opp-hz = /bits/ 64 <408000000>;
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opp-microvolt = <825000>;
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};
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opp-504000000 {
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opp-hz = /bits/ 64 <504000000>;
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opp-microvolt = <825000>;
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};
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opp-600000000 {
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opp-hz = /bits/ 64 <600000000>;
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opp-microvolt = <850000>;
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};
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opp-720000000 {
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opp-hz = /bits/ 64 <720000000>;
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opp-microvolt = <850000>;
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};
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opp-816000000 {
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opp-hz = /bits/ 64 <816000000>;
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opp-microvolt = <875000>;
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};
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opp-1008000000 {
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opp-hz = /bits/ 64 <1008000000>;
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opp-microvolt = <925000>;
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};
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opp-1200000000 {
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opp-hz = /bits/ 64 <1200000000>;
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opp-microvolt = <975000>;
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};
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opp-1416000000 {
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opp-hz = /bits/ 64 <1416000000>;
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opp-microvolt = <1025000>;
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};
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opp-1608000000 {
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opp-hz = /bits/ 64 <1608000000>;
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opp-microvolt = <1100000>;
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};
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opp-1800000000 {
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status = "disabled";
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opp-hz = /bits/ 64 <1800000000>;
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opp-microvolt = <1125000>;
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};
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opp-1992000000 {
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status = "disabled";
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opp-hz = /bits/ 64 <1992000000>;
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opp-microvolt = <1150000>;
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};
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};
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gpu_opp_table: gpu-opp-table {
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compatible = "operating-points-v2";
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opp-182150000 {
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opp-hz = /bits/ 64 <182150000>;
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opp-microvolt = <1150000>;
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};
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opp-318750000 {
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opp-hz = /bits/ 64 <318750000>;
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opp-microvolt = <1150000>;
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};
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opp-425000000 {
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opp-hz = /bits/ 64 <425000000>;
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opp-microvolt = <1150000>;
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};
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opp-510000000 {
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opp-hz = /bits/ 64 <510000000>;
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opp-microvolt = <1150000>;
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};
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opp-637500000 {
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opp-hz = /bits/ 64 <637500000>;
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opp-microvolt = <1150000>;
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turbo-mode;
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};
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};
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pmu {
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compatible = "arm,cortex-a9-pmu";
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interrupts = <GIC_SPI 137 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 138 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 154 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-affinity = <&cpu0>, <&cpu1>, <&cpu2>, <&cpu3>;
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};
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reserved-memory {
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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/* 2 MiB reserved for Hardware ROM Firmware? */
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hwrom@0 {
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reg = <0x0 0x200000>;
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no-map;
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};
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/*
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* 1 MiB reserved for the "ARM Power Firmware": this is ARM
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* code which is responsible for system suspend. It loads a
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* piece of ARC code ("arc_power" in the vendor u-boot tree)
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* into SRAM, executes that and shuts down the (last) ARM core.
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* The arc_power firmware then checks various wakeup sources
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* (IR remote receiver, HDMI CEC, WIFI and Bluetooth wakeup or
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* simply the power key) and re-starts the ARM core once it
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* detects a wakeup request.
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*/
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power-firmware@4f00000 {
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reg = <0x4f00000 0x100000>;
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no-map;
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};
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};
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apb: bus@d0000000 {
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compatible = "simple-bus";
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reg = <0xd0000000 0x200000>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges = <0x0 0xd0000000 0x200000>;
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mali: gpu@c0000 {
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compatible = "amlogic,meson8-mali", "arm,mali-450";
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reg = <0xc0000 0x40000>;
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interrupts = <GIC_SPI 160 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 161 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 162 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 165 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 166 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 168 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 169 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 172 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 173 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 175 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 176 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-names = "gp", "gpmmu", "pp", "pmu",
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"pp0", "ppmmu0", "pp1", "ppmmu1",
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"pp2", "ppmmu2", "pp4", "ppmmu4",
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"pp5", "ppmmu5", "pp6", "ppmmu6";
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resets = <&reset RESET_MALI>;
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clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_MALI>;
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clock-names = "bus", "core";
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operating-points-v2 = <&gpu_opp_table>;
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switch-delay = <0xffff>;
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};
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};
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}; /* end of / */
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&aobus {
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pmu: pmu@e0 {
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compatible = "amlogic,meson8-pmu", "syscon";
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reg = <0xe0 0x8>;
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};
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pinctrl_aobus: pinctrl@84 {
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compatible = "amlogic,meson8-aobus-pinctrl";
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reg = <0x84 0xc>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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gpio_ao: ao-bank@14 {
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reg = <0x14 0x4>,
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<0x2c 0x4>,
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<0x24 0x8>;
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reg-names = "mux", "pull", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_aobus 0 0 16>;
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};
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uart_ao_a_pins: uart_ao_a {
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mux {
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groups = "uart_tx_ao_a", "uart_rx_ao_a";
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function = "uart_ao";
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bias-disable;
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};
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};
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i2c_ao_pins: i2c_mst_ao {
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mux {
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groups = "i2c_mst_sck_ao", "i2c_mst_sda_ao";
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function = "i2c_mst_ao";
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bias-disable;
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};
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};
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ir_recv_pins: remote {
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mux {
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groups = "remote_input";
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function = "remote";
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bias-disable;
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};
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};
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pwm_f_ao_pins: pwm-f-ao {
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mux {
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groups = "pwm_f_ao";
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function = "pwm_f_ao";
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bias-disable;
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};
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};
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};
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};
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&cbus {
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reset: reset-controller@4404 {
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compatible = "amlogic,meson8b-reset";
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reg = <0x4404 0x9c>;
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#reset-cells = <1>;
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};
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analog_top: analog-top@81a8 {
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compatible = "amlogic,meson8-analog-top", "syscon";
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reg = <0x81a8 0x14>;
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};
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pwm_ef: pwm@86c0 {
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compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
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reg = <0x86c0 0x10>;
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#pwm-cells = <3>;
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status = "disabled";
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};
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pinctrl_cbus: pinctrl@9880 {
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compatible = "amlogic,meson8-cbus-pinctrl";
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reg = <0x9880 0x10>;
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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gpio: banks@80b0 {
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reg = <0x80b0 0x28>,
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<0x80e8 0x18>,
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<0x8120 0x18>,
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<0x8030 0x30>;
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reg-names = "mux", "pull", "pull-enable", "gpio";
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&pinctrl_cbus 0 0 120>;
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};
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sd_a_pins: sd-a {
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mux {
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groups = "sd_d0_a", "sd_d1_a", "sd_d2_a",
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"sd_d3_a", "sd_clk_a", "sd_cmd_a";
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function = "sd_a";
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bias-disable;
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};
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};
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sd_b_pins: sd-b {
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mux {
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groups = "sd_d0_b", "sd_d1_b", "sd_d2_b",
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"sd_d3_b", "sd_clk_b", "sd_cmd_b";
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function = "sd_b";
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bias-disable;
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};
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};
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sd_c_pins: sd-c {
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mux {
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groups = "sd_d0_c", "sd_d1_c", "sd_d2_c",
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"sd_d3_c", "sd_clk_c", "sd_cmd_c";
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function = "sd_c";
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bias-disable;
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};
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};
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spi_nor_pins: nor {
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mux {
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groups = "nor_d", "nor_q", "nor_c", "nor_cs";
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function = "nor";
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bias-disable;
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};
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};
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eth_pins: ethernet {
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mux {
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groups = "eth_tx_clk_50m", "eth_tx_en",
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"eth_txd1", "eth_txd0",
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"eth_rx_clk_in", "eth_rx_dv",
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"eth_rxd1", "eth_rxd0", "eth_mdio",
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"eth_mdc";
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function = "ethernet";
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bias-disable;
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};
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};
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pwm_e_pins: pwm-e {
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mux {
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groups = "pwm_e";
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function = "pwm_e";
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bias-disable;
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};
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};
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uart_a1_pins: uart-a1 {
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mux {
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groups = "uart_tx_a1",
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"uart_rx_a1";
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function = "uart_a";
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bias-disable;
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};
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};
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uart_a1_cts_rts_pins: uart-a1-cts-rts {
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mux {
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groups = "uart_cts_a1",
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"uart_rts_a1";
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function = "uart_a";
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bias-disable;
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};
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};
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};
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};
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&ahb_sram {
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smp-sram@1ff80 {
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compatible = "amlogic,meson8-smp-sram";
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reg = <0x1ff80 0x8>;
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};
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};
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&efuse {
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compatible = "amlogic,meson8-efuse";
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clocks = <&clkc CLKID_EFUSE>;
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clock-names = "core";
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temperature_calib: calib@1f4 {
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/* only the upper two bytes are relevant */
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reg = <0x1f4 0x4>;
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};
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};
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ðmac {
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clocks = <&clkc CLKID_ETH>;
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clock-names = "stmmaceth";
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};
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&gpio_intc {
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compatible = "amlogic,meson8-gpio-intc", "amlogic,meson-gpio-intc";
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status = "okay";
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};
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&hhi {
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clkc: clock-controller {
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compatible = "amlogic,meson8-clkc";
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#clock-cells = <1>;
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#reset-cells = <1>;
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};
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};
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&hwrng {
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compatible = "amlogic,meson8-rng", "amlogic,meson-rng";
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clocks = <&clkc CLKID_RNG0>;
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clock-names = "core";
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};
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&i2c_AO {
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clocks = <&clkc CLKID_CLK81>;
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};
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&i2c_A {
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clocks = <&clkc CLKID_CLK81>;
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};
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&i2c_B {
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clocks = <&clkc CLKID_CLK81>;
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};
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&L2 {
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arm,data-latency = <3 3 3>;
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arm,tag-latency = <2 2 2>;
|
|
arm,filter-ranges = <0x100000 0xc0000000>;
|
|
prefetch-data = <1>;
|
|
prefetch-instr = <1>;
|
|
arm,shared-override;
|
|
};
|
|
|
|
&periph {
|
|
scu@0 {
|
|
compatible = "arm,cortex-a9-scu";
|
|
reg = <0x0 0x100>;
|
|
};
|
|
|
|
timer@200 {
|
|
compatible = "arm,cortex-a9-global-timer";
|
|
reg = <0x200 0x20>;
|
|
interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
|
|
clocks = <&clkc CLKID_PERIPH>;
|
|
|
|
/*
|
|
* the arm_global_timer driver currently does not handle clock
|
|
* rate changes. Keep it disabled for now.
|
|
*/
|
|
status = "disabled";
|
|
};
|
|
|
|
timer@600 {
|
|
compatible = "arm,cortex-a9-twd-timer";
|
|
reg = <0x600 0x20>;
|
|
interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_EDGE_RISING)>;
|
|
clocks = <&clkc CLKID_PERIPH>;
|
|
};
|
|
};
|
|
|
|
&pwm_ab {
|
|
compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
|
|
};
|
|
|
|
&pwm_cd {
|
|
compatible = "amlogic,meson8-pwm", "amlogic,meson8b-pwm";
|
|
};
|
|
|
|
&saradc {
|
|
compatible = "amlogic,meson8-saradc", "amlogic,meson-saradc";
|
|
clocks = <&clkc CLKID_XTAL>,
|
|
<&clkc CLKID_SAR_ADC>;
|
|
clock-names = "clkin", "core";
|
|
amlogic,hhi-sysctrl = <&hhi>;
|
|
nvmem-cells = <&temperature_calib>;
|
|
nvmem-cell-names = "temperature_calib";
|
|
};
|
|
|
|
&sdio {
|
|
compatible = "amlogic,meson8-sdio", "amlogic,meson-mx-sdio";
|
|
clocks = <&clkc CLKID_SDIO>, <&clkc CLKID_CLK81>;
|
|
clock-names = "core", "clkin";
|
|
};
|
|
|
|
&spifc {
|
|
clocks = <&clkc CLKID_CLK81>;
|
|
};
|
|
|
|
&timer_abcde {
|
|
clocks = <&clkc CLKID_XTAL>, <&clkc CLKID_CLK81>;
|
|
clock-names = "xtal", "pclk";
|
|
};
|
|
|
|
&uart_AO {
|
|
compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
|
|
clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_CLK81>;
|
|
clock-names = "baud", "xtal", "pclk";
|
|
};
|
|
|
|
&uart_A {
|
|
compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
|
|
clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_UART0>;
|
|
clock-names = "baud", "xtal", "pclk";
|
|
};
|
|
|
|
&uart_B {
|
|
compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
|
|
clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_UART1>;
|
|
clock-names = "baud", "xtal", "pclk";
|
|
};
|
|
|
|
&uart_C {
|
|
compatible = "amlogic,meson8-uart", "amlogic,meson-uart";
|
|
clocks = <&clkc CLKID_CLK81>, <&clkc CLKID_XTAL>, <&clkc CLKID_UART2>;
|
|
clock-names = "baud", "xtal", "pclk";
|
|
};
|
|
|
|
&usb0 {
|
|
compatible = "amlogic,meson8-usb", "snps,dwc2";
|
|
clocks = <&clkc CLKID_USB0_DDR_BRIDGE>;
|
|
clock-names = "otg";
|
|
};
|
|
|
|
&usb1 {
|
|
compatible = "amlogic,meson8-usb", "snps,dwc2";
|
|
clocks = <&clkc CLKID_USB1_DDR_BRIDGE>;
|
|
clock-names = "otg";
|
|
};
|
|
|
|
&usb0_phy {
|
|
compatible = "amlogic,meson8-usb2-phy", "amlogic,meson-mx-usb2-phy";
|
|
clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB0>;
|
|
clock-names = "usb_general", "usb";
|
|
resets = <&reset RESET_USB_OTG>;
|
|
};
|
|
|
|
&usb1_phy {
|
|
compatible = "amlogic,meson8-usb2-phy", "amlogic,meson-mx-usb2-phy";
|
|
clocks = <&clkc CLKID_USB>, <&clkc CLKID_USB1>;
|
|
clock-names = "usb_general", "usb";
|
|
resets = <&reset RESET_USB_OTG>;
|
|
};
|