linux/arch/arm/boot/dts/vf610-zii-cfu1.dts
Andrey Smirnov 801592402c ARM: dts: vf610-zii-cfu1: Slow I2C0 down to 100 kHz
Fiber-optic modules attached to the bus are only rated to work at
100 kHz, so decrease the bus frequency to accommodate that.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Shawn Guo <shawnguo@kernel.org>
Cc: Chris Healy <cphealy@gmail.com>
Cc: Fabio Estevam <festevam@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
2019-08-24 21:24:45 +02:00

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6.6 KiB
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// SPDX-License-Identifier: (GPL-2.0 OR MIT)
/*
* Copyright (C) 2018 Zodiac Inflight Innovations
*/
/dts-v1/;
#include "vf610.dtsi"
/ {
model = "ZII VF610 CFU1 Board";
compatible = "zii,vf610cfu1", "zii,vf610dev", "fsl,vf610";
chosen {
stdout-path = &uart0;
};
memory@80000000 {
device_type = "memory";
reg = <0x80000000 0x20000000>;
};
gpio-leds {
compatible = "gpio-leds";
pinctrl-0 = <&pinctrl_leds_debug>;
pinctrl-names = "default";
led-debug {
label = "zii:green:debug1";
gpios = <&gpio2 18 GPIO_ACTIVE_HIGH>;
linux,default-trigger = "heartbeat";
};
led-fail {
label = "zii:red:fail";
gpios = <&gpio3 12 GPIO_ACTIVE_LOW>;
default-state = "off";
};
led-status {
label = "zii:green:status";
gpios = <&gpio3 13 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
led-debug-a {
label = "zii:green:debug_a";
gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
led-debug-b {
label = "zii:green:debug_b";
gpios = <&gpio3 15 GPIO_ACTIVE_HIGH>;
default-state = "off";
};
};
reg_vcc_3v3_mcu: regulator-vcc-3v3-mcu {
compatible = "regulator-fixed";
regulator-name = "vcc_3v3_mcu";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
};
sff: sfp {
compatible = "sff,sff";
pinctrl-0 = <&pinctrl_optical>;
pinctrl-names = "default";
i2c-bus = <&i2c0>;
los-gpio = <&gpio4 4 GPIO_ACTIVE_HIGH>;
tx-disable-gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>;
};
};
&adc0 {
vref-supply = <&reg_vcc_3v3_mcu>;
status = "okay";
};
&adc1 {
vref-supply = <&reg_vcc_3v3_mcu>;
status = "okay";
};
&dspi1 {
bus-num = <1>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_dspi1>;
/*
* Some CFU1s come with SPI-NOR chip DNPed, so we leave this
* node disabled by default and rely on bootloader to enable
* it when appropriate.
*/
status = "disabled";
flash@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "m25p128", "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <50000000>;
partition@0 {
label = "m25p128-0";
reg = <0x0 0x01000000>;
};
};
};
&edma0 {
status = "okay";
};
&edma1 {
status = "okay";
};
&esdhc0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_esdhc0>;
bus-width = <8>;
non-removable;
no-1-8-v;
keep-power-in-suspend;
no-sdio;
no-sd;
status = "okay";
};
&esdhc1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_esdhc1>;
bus-width = <4>;
no-sdio;
status = "okay";
};
&fec1 {
phy-mode = "rmii";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_fec1>;
status = "okay";
fixed-link {
speed = <100>;
full-duplex;
};
mdio1: mdio {
#address-cells = <1>;
#size-cells = <0>;
status = "okay";
switch0: switch0@0 {
compatible = "marvell,mv88e6085";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_switch>;
reg = <0>;
eeprom-length = <512>;
interrupt-parent = <&gpio3>;
interrupts = <2 IRQ_TYPE_LEVEL_LOW>;
interrupt-controller;
#interrupt-cells = <2>;
reset-gpios = <&gpio3 11 GPIO_ACTIVE_LOW>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
label = "eth_cu_1000_1";
};
port@1 {
reg = <1>;
label = "eth_cu_1000_2";
};
port@2 {
reg = <2>;
label = "eth_cu_1000_3";
};
port@5 {
reg = <5>;
label = "eth_fc_1000_1";
phy-mode = "1000base-x";
managed = "in-band-status";
sfp = <&sff>;
};
port@6 {
reg = <6>;
label = "cpu";
ethernet = <&fec1>;
fixed-link {
speed = <100>;
full-duplex;
};
};
};
};
};
};
&i2c0 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0>;
status = "okay";
io-expander@22 {
compatible = "nxp,pca9554";
reg = <0x22>;
gpio-controller;
};
lm75@48 {
compatible = "national,lm75";
reg = <0x48>;
};
eeprom@52 {
compatible = "atmel,24c04";
reg = <0x52>;
label = "nvm";
};
eeprom@54 {
compatible = "atmel,24c04";
reg = <0x54>;
label = "nameplate";
};
};
&i2c1 {
clock-frequency = <100000>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
status = "okay";
watchdog@38 {
compatible = "zii,rave-wdt";
reg = <0x38>;
};
};
&snvsrtc {
status = "disabled";
};
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
status = "okay";
};
&iomuxc {
pinctrl_dspi1: dspi1grp {
fsl,pins = <
VF610_PAD_PTD5__DSPI1_CS0 0x1182
VF610_PAD_PTC6__DSPI1_SIN 0x1181
VF610_PAD_PTC7__DSPI1_SOUT 0x1182
VF610_PAD_PTC8__DSPI1_SCK 0x1182
>;
};
pinctrl_esdhc0: esdhc0grp {
fsl,pins = <
VF610_PAD_PTC0__ESDHC0_CLK 0x31ef
VF610_PAD_PTC1__ESDHC0_CMD 0x31ef
VF610_PAD_PTC2__ESDHC0_DAT0 0x31ef
VF610_PAD_PTC3__ESDHC0_DAT1 0x31ef
VF610_PAD_PTC4__ESDHC0_DAT2 0x31ef
VF610_PAD_PTC5__ESDHC0_DAT3 0x31ef
VF610_PAD_PTD23__ESDHC0_DAT4 0x31ef
VF610_PAD_PTD22__ESDHC0_DAT5 0x31ef
VF610_PAD_PTD21__ESDHC0_DAT6 0x31ef
VF610_PAD_PTD20__ESDHC0_DAT7 0x31ef
>;
};
pinctrl_esdhc1: esdhc1grp {
fsl,pins = <
VF610_PAD_PTA24__ESDHC1_CLK 0x31ef
VF610_PAD_PTA25__ESDHC1_CMD 0x31ef
VF610_PAD_PTA26__ESDHC1_DAT0 0x31ef
VF610_PAD_PTA27__ESDHC1_DAT1 0x31ef
VF610_PAD_PTA28__ESDHC1_DATA2 0x31ef
VF610_PAD_PTA29__ESDHC1_DAT3 0x31ef
>;
};
pinctrl_fec1: fec1grp {
fsl,pins = <
VF610_PAD_PTA6__RMII_CLKIN 0x30d1
VF610_PAD_PTC9__ENET_RMII1_MDC 0x30fe
VF610_PAD_PTC10__ENET_RMII1_MDIO 0x30d3
VF610_PAD_PTC11__ENET_RMII1_CRS 0x30d1
VF610_PAD_PTC12__ENET_RMII1_RXD1 0x30d1
VF610_PAD_PTC13__ENET_RMII1_RXD0 0x30d1
VF610_PAD_PTC14__ENET_RMII1_RXER 0x30d1
VF610_PAD_PTC15__ENET_RMII1_TXD1 0x30d2
VF610_PAD_PTC16__ENET_RMII1_TXD0 0x30d2
VF610_PAD_PTC17__ENET_RMII1_TXEN 0x30d2
>;
};
pinctrl_i2c0: i2c0grp {
fsl,pins = <
VF610_PAD_PTB14__I2C0_SCL 0x37ff
VF610_PAD_PTB15__I2C0_SDA 0x37ff
>;
};
pinctrl_i2c1: i2c1grp {
fsl,pins = <
VF610_PAD_PTB16__I2C1_SCL 0x37ff
VF610_PAD_PTB17__I2C1_SDA 0x37ff
>;
};
pinctrl_leds_debug: pinctrl-leds-debug {
fsl,pins = <
VF610_PAD_PTD3__GPIO_82 0x31c2
VF610_PAD_PTE3__GPIO_108 0x31c2
VF610_PAD_PTE4__GPIO_109 0x31c2
VF610_PAD_PTE5__GPIO_110 0x31c2
VF610_PAD_PTE6__GPIO_111 0x31c2
>;
};
pinctrl_optical: optical-grp {
fsl,pins = <
/* SFF SD input */
VF610_PAD_PTE27__GPIO_132 0x3061
/* SFF Transmit disable output */
VF610_PAD_PTE13__GPIO_118 0x3043
>;
};
pinctrl_switch: switch-grp {
fsl,pins = <
VF610_PAD_PTB28__GPIO_98 0x3061
VF610_PAD_PTE2__GPIO_107 0x1042
>;
};
pinctrl_uart0: uart0grp {
fsl,pins = <
VF610_PAD_PTB10__UART0_TX 0x21a2
VF610_PAD_PTB11__UART0_RX 0x21a1
>;
};
};