
This patch adds i2c devices and muxes to the Sparx5 reference boards. Link: https://lore.kernel.org/r/20200615133242.24911-11-lars.povlsen@microchip.com Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
214 lines
4.5 KiB
Plaintext
214 lines
4.5 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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/*
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* Copyright (c) 2020 Microchip Technology Inc. and its subsidiaries.
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*/
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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/ {
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compatible = "microchip,sparx5";
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interrupt-parent = <&gic>;
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#address-cells = <2>;
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#size-cells = <1>;
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aliases {
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serial0 = &uart0;
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serial1 = &uart1;
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};
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chosen {
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stdout-path = "serial0:115200n8";
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};
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cpus {
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#address-cells = <2>;
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#size-cells = <0>;
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cpu-map {
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cluster0 {
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core0 {
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cpu = <&cpu0>;
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};
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core1 {
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cpu = <&cpu1>;
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};
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};
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};
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cpu0: cpu@0 {
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compatible = "arm,cortex-a53";
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device_type = "cpu";
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reg = <0x0 0x0>;
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enable-method = "psci";
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next-level-cache = <&L2_0>;
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};
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cpu1: cpu@1 {
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compatible = "arm,cortex-a53";
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device_type = "cpu";
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reg = <0x0 0x1>;
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enable-method = "psci";
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next-level-cache = <&L2_0>;
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};
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L2_0: l2-cache0 {
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compatible = "cache";
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};
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};
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arm-pmu {
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compatible = "arm,cortex-a53-pmu";
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interrupts = <GIC_PPI 7 IRQ_TYPE_LEVEL_HIGH>;
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interrupt-affinity = <&cpu0>, <&cpu1>;
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};
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psci {
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compatible = "arm,psci-0.2";
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method = "smc";
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};
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timer {
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compatible = "arm,armv8-timer";
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interrupts = <GIC_PPI 13 IRQ_TYPE_LEVEL_LOW>,
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<GIC_PPI 14 IRQ_TYPE_LEVEL_LOW>,
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<GIC_PPI 11 IRQ_TYPE_LEVEL_LOW>,
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<GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>;
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};
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lcpll_clk: lcpll-clk {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <2500000000>;
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};
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clks: clock-controller@61110000c {
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compatible = "microchip,sparx5-dpll";
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#clock-cells = <1>;
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clocks = <&lcpll_clk>;
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reg = <0x6 0x1110000c 0x24>;
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};
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ahb_clk: ahb-clk {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <250000000>;
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};
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sys_clk: sys-clk {
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compatible = "fixed-clock";
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#clock-cells = <0>;
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clock-frequency = <625000000>;
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};
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axi: axi@600000000 {
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compatible = "simple-bus";
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#address-cells = <2>;
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#size-cells = <1>;
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ranges;
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gic: interrupt-controller@600300000 {
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compatible = "arm,gic-v3";
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#interrupt-cells = <3>;
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#address-cells = <2>;
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#size-cells = <2>;
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interrupt-controller;
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reg = <0x6 0x00300000 0x10000>, /* GIC Dist */
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<0x6 0x00340000 0xc0000>, /* GICR */
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<0x6 0x00200000 0x2000>, /* GICC */
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<0x6 0x00210000 0x2000>, /* GICV */
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<0x6 0x00220000 0x2000>; /* GICH */
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interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_HIGH>;
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};
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uart0: serial@600100000 {
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pinctrl-0 = <&uart_pins>;
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pinctrl-names = "default";
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compatible = "ns16550a";
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reg = <0x6 0x00100000 0x20>;
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clocks = <&ahb_clk>;
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reg-io-width = <4>;
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reg-shift = <2>;
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interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
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status = "disabled";
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};
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uart1: serial@600102000 {
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pinctrl-0 = <&uart2_pins>;
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pinctrl-names = "default";
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compatible = "ns16550a";
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reg = <0x6 0x00102000 0x20>;
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clocks = <&ahb_clk>;
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reg-io-width = <4>;
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reg-shift = <2>;
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interrupts = <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
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status = "disabled";
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};
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timer1: timer@600105000 {
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compatible = "snps,dw-apb-timer";
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reg = <0x6 0x00105000 0x1000>;
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clocks = <&ahb_clk>;
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clock-names = "timer";
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interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
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};
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gpio: pinctrl@6110101e0 {
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compatible = "microchip,sparx5-pinctrl";
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reg = <0x6 0x110101e0 0x90>, <0x6 0x10508010 0x100>;
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gpio-controller;
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#gpio-cells = <2>;
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gpio-ranges = <&gpio 0 0 64>;
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interrupt-controller;
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interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
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#interrupt-cells = <2>;
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uart_pins: uart-pins {
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pins = "GPIO_10", "GPIO_11";
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function = "uart";
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};
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uart2_pins: uart2-pins {
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pins = "GPIO_26", "GPIO_27";
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function = "uart2";
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};
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i2c_pins: i2c-pins {
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pins = "GPIO_14", "GPIO_15";
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function = "twi";
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};
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i2c2_pins: i2c2-pins {
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pins = "GPIO_28", "GPIO_29";
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function = "twi2";
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};
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};
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i2c0: i2c@600101000 {
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compatible = "snps,designware-i2c";
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status = "disabled";
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pinctrl-0 = <&i2c_pins>;
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pinctrl-names = "default";
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reg = <0x6 0x00101000 0x100>;
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#address-cells = <1>;
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#size-cells = <0>;
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interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
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i2c-sda-hold-time-ns = <300>;
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clock-frequency = <100000>;
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clocks = <&ahb_clk>;
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};
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i2c1: i2c@600103000 {
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compatible = "snps,designware-i2c";
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status = "disabled";
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pinctrl-0 = <&i2c2_pins>;
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pinctrl-names = "default";
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reg = <0x6 0x00103000 0x100>;
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#address-cells = <1>;
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#size-cells = <0>;
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interrupts = <GIC_SPI 12 IRQ_TYPE_LEVEL_HIGH>;
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i2c-sda-hold-time-ns = <300>;
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clock-frequency = <100000>;
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clocks = <&ahb_clk>;
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};
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};
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};
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