Re: [PATCH] arm64: dts: rk3399: add support for firefly-rk3399 board

From: Andreas FÃrber
Date: Fri Mar 31 2017 - 12:59:57 EST

Hi,

Am 31.03.2017 um 14:56 schrieb Heiko Stuebner:
> Hi Kever,
>
> Am Freitag, 31. März 2017, 17:59:07 CEST schrieb Kever Yang:
>> Firefly-rk3399 is a bord from T-Firefly, you can find detail about
>> it here:
>> http://en.t-firefly.com/en/firenow/Firefly_RK3399/
>>
>> This patch add basic node for the board and make it able to bring
>> up.
>
> This more a first glance, I didn't check every binding, but already found
> some dubious ones, so in general, please make sure to only include nodes
> with approved bindings.
>
>
> [...]
>
>> arch/arm64/boot/dts/rockchip/Makefile | 1 +
>> arch/arm64/boot/dts/rockchip/rk3399-firefly.dts | 772 ++++++++++++++++++++++++
>
> please provide a binding addition for the board in a separate patch as well.
>
>
>> 2 files changed, 773 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
>>
>> diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile
>> index 3a86289..dd3d550 100644
>> --- a/arch/arm64/boot/dts/rockchip/Makefile
>> +++ b/arch/arm64/boot/dts/rockchip/Makefile
>> @@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-orion-r68-meta.dtb
>> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-px5-evb.dtb
>> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3368-r88.dtb
>> dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-evb.dtb
>> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-firefly.dtb
>
> if possible, please rebase on top of my for-next branch, as we also
> have the first gru board in there now.
>
>>
>> always := $(dtb-y)
>> subdir-y := $(dts-dirs)
>> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
>> new file mode 100644
>> index 0000000..686977b
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/rockchip/rk3399-firefly.dts
>> @@ -0,0 +1,772 @@
>> +/*
>> + * Copyright (c) 2017 Fuzhou Rockchip Electronics Co., Ltd

"Ltd."?

>> + *
>> + * This file is dual-licensed: you can use it either under the terms
>> + * of the GPL or the X11 license, at your option. Note that this dual
>> + * licensing only applies to this file, and not this project as a
>> + * whole.
>> + *
>> + * a) This file is free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License as
>> + * published by the Free Software Foundation; either version 2 of the
>> + * License, or (at your option) any later version.
>> + *
>> + * This file is distributed in the hope that it will be useful,
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * Or, alternatively,
>> + *
>> + * b) Permission is hereby granted, free of charge, to any person
>> + * obtaining a copy of this software and associated documentation
>> + * files (the "Software"), to deal in the Software without
>> + * restriction, including without limitation the rights to use,
>> + * copy, modify, merge, publish, distribute, sublicense, and/or
>> + * sell copies of the Software, and to permit persons to whom the
>> + * Software is furnished to do so, subject to the following
>> + * conditions:
>> + *
>> + * The above copyright notice and this permission notice shall be
>> + * included in all copies or substantial portions of the Software.
>> + *
>> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
>> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
>> + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
>> + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
>> + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
>> + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
>> + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
>> + * OTHER DEALINGS IN THE SOFTWARE.

This should be shorter: "SPDX-License-Identifier: GPL-2.0+ OR MIT"

>> + */
>> +
>> +/dts-v1/;
>> +#include <dt-bindings/pwm/pwm.h>
>> +#include "rk3399.dtsi"
>> +
>> +/ {
>> + model = "Rockchip RK3399 Firefly Board (Linux Opensource)";

"(Linux Opensource)" is not a hardware description, please drop.

>> + compatible = "rockchip,rk3399-firefly-linux", "rockchip,rk3399";
>
> Just to make sure, is this really a Rockchip board? I would've expected
> to see something like "firefly,firefly-rk3399" here, like on the rk3288-
> variant. Not a requirement, just a question to clarify who designed the
> board please :-) .

+1, especially no -linux suffix please. The same device tree should in
theory be usable with Linux, Android, FreeBSD or any other OS with
drivers based on the official bindings.

>> +
>> + backlight: backlight {
>> + status = "okay";
>> + compatible = "pwm-backlight";
>> + enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
>> + pwms = <&pwm0 0 25000 0>;
>> + brightness-levels = <
>> + 0 1 2 3 4 5 6 7
>> + 8 9 10 11 12 13 14 15
>> + 16 17 18 19 20 21 22 23
>> + 24 25 26 27 28 29 30 31
>> + 32 33 34 35 36 37 38 39
>> + 40 41 42 43 44 45 46 47
>> + 48 49 50 51 52 53 54 55
>> + 56 57 58 59 60 61 62 63
>> + 64 65 66 67 68 69 70 71
>> + 72 73 74 75 76 77 78 79
>> + 80 81 82 83 84 85 86 87
>> + 88 89 90 91 92 93 94 95
>> + 96 97 98 99 100 101 102 103
>> + 104 105 106 107 108 109 110 111
>> + 112 113 114 115 116 117 118 119
>> + 120 121 122 123 124 125 126 127
>> + 128 129 130 131 132 133 134 135
>> + 136 137 138 139 140 141 142 143
>> + 144 145 146 147 148 149 150 151
>> + 152 153 154 155 156 157 158 159
>> + 160 161 162 163 164 165 166 167
>> + 168 169 170 171 172 173 174 175
>> + 176 177 178 179 180 181 182 183
>> + 184 185 186 187 188 189 190 191
>> + 192 193 194 195 196 197 198 199
>> + 200 201 202 203 204 205 206 207
>> + 208 209 210 211 212 213 214 215
>> + 216 217 218 219 220 221 222 223
>> + 224 225 226 227 228 229 230 231
>> + 232 233 234 235 236 237 238 239
>> + 240 241 242 243 244 245 246 247
>> + 248 249 250 251 252 253 254 255>;
>> + default-brightness-level = <200>;
>> + };
>> +
>> + clkin_gmac: external-gmac-clock {
>> + compatible = "fixed-clock";
>> + clock-frequency = <125000000>;
>> + clock-output-names = "clkin_gmac";
>> + #clock-cells = <0>;
>> + };
>> +
>> + rt5640-sound {

Drop rt5640- node prefix, or is there more than one?

>> + compatible = "simple-audio-card";
>> + simple-audio-card,format = "i2s";
>> + simple-audio-card,name = "rockchip,rt5640-codec";
>> + simple-audio-card,mclk-fs = <256>;
>> + simple-audio-card,widgets =
>> + "Microphone", "Mic Jack",
>> + "Headphone", "Headphone Jack";
>> + simple-audio-card,routing =
>> + "Mic Jack", "MICBIAS1",
>> + "IN1P", "Mic Jack",
>> + "Headphone Jack", "HPOL",
>> + "Headphone Jack", "HPOR";
>> + simple-audio-card,cpu {
>> + sound-dai = <&i2s1>;
>> + };
>> + simple-audio-card,codec {
>> + sound-dai = <&rt5640>;
>> + };

Insert while lines before these two nodes for readability?

>> + };
>> +
>> + sdio_pwrseq: sdio-pwrseq {
>> + compatible = "mmc-pwrseq-simple";
>> + clocks = <&rk808 1>;
>> + clock-names = "ext_clock";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&wifi_enable_h>;
>> +
>> + /*
>> + * On the module itself this is one of these (depending
>> + * on the actual card populated):
>> + * - SDIO_RESET_L_WL_REG_ON
>> + * - PDN (power down when low)
>> + */
>> + reset-gpios = <&gpio0 10 GPIO_ACTIVE_LOW>; /* GPIO0_B2 */
>
> Thanks to Andy's persistence, we have nice constants in the pinctrl-
> binding-header now, like RK_PB2 for the above. So you can drop the
> comment and use the constant instead for easier reading.
> Same for other pins.
>
>
>> + };
>> +
>> + vcc3v3_pcie: vcc3v3-pcie-regulator {
>> + compatible = "regulator-fixed";
>> + enable-active-high;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + gpio = <&gpio1 17 GPIO_ACTIVE_HIGH>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pcie_drv>;
>> + regulator-name = "vcc3v3_pcie";
>> + };
>> +
>> + vcc3v3_sys: vcc3v3-sys {
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc3v3_sys";
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <3300000>;
>> + regulator-max-microvolt = <3300000>;
>> + };
>> +
>> + vcc5v0_host: vcc5v0-host-regulator {
>> + compatible = "regulator-fixed";
>> + enable-active-high;
>> + gpio = <&gpio1 0 GPIO_ACTIVE_HIGH>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&host_vbus_drv>;
>> + regulator-name = "vcc5v0_host";
>> + regulator-always-on;
>> + };
>> +
>> + vcc5v0_sys: vcc5v0-sys {
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc5v0_sys";
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <5000000>;
>> + regulator-max-microvolt = <5000000>;
>> + };
>> +
>> + vcc_phy: vcc-phy-regulator {
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc_phy";
>> + regulator-always-on;
>> + regulator-boot-on;
>> + };
>> +
>> + vdd_log: vdd-log {
>> + compatible = "pwm-regulator";
>> + pwms = <&pwm2 0 25000 1>;
>> + regulator-name = "vdd_log";
>> + regulator-min-microvolt = <800000>;
>> + regulator-max-microvolt = <1400000>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> +
>> + /* for rockchip boot on */
>> + rockchip,pwm_id= <2>;
>> + rockchip,pwm_voltage = <1000000>;
>> + };
>> +
>> + vccadc_ref: vccadc-ref {
>> + compatible = "regulator-fixed";
>> + regulator-name = "vcc1v8_sys";
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + };
>> +
>> + wireless-wlan {
>> + compatible = "wlan-platdata";
>> + rockchip,grf = <&grf>;
>> + wifi_chip_type = "ap6354";
>> + sdio_vref = <1800>;
>> + WIFI,host_wake_irq = <&gpio0 3 GPIO_ACTIVE_HIGH>; /* GPIO0_a3 */
>> + status = "okay";
>
> that is not a valid binding, am I right? ;-)
> So should be dropped.

... or should be replaced by the proper binding (brcmfmac probably?).

>
>> + };
>> +
>> + wireless-bluetooth {
>> + compatible = "bluetooth-platdata";
>> + //wifi-bt-power-toggle;
>> + uart_rts_gpios = <&gpio2 19 GPIO_ACTIVE_LOW>; /* GPIO2_C3 */
>> + pinctrl-names = "default", "rts_gpio";
>> + pinctrl-0 = <&uart0_rts>;
>> + pinctrl-1 = <&uart0_gpios>;
>> + //BT,power_gpio = <&gpio3 19 GPIO_ACTIVE_HIGH>; /* GPIOx_xx */
>> + BT,reset_gpio = <&gpio0 9 GPIO_ACTIVE_HIGH>; /* GPIO0_B1 */
>> + BT,wake_gpio = <&gpio2 26 GPIO_ACTIVE_HIGH>; /* GPIO2_D2 */
>> + BT,wake_host_irq = <&gpio0 4 GPIO_ACTIVE_HIGH>; /* GPIO0_A4 */
>> + status = "okay";
>> + };
>
> same here

Move to corresponding uart node? (serdev bindings)

>> +};
>> +
>> +&cpu_l0 {
>> + cpu-supply = <&vdd_cpu_l>;
>> +};
>> +
>> +&cpu_l1 {
>> + cpu-supply = <&vdd_cpu_l>;
>> +};
>> +
>> +&cpu_l2 {
>> + cpu-supply = <&vdd_cpu_l>;
>> +};
>> +
>> +&cpu_l3 {
>> + cpu-supply = <&vdd_cpu_l>;
>> +};
>> +
>> +&cpu_b0 {
>> + cpu-supply = <&vdd_cpu_b>;
>> +};
>> +
>> +&cpu_b1 {
>> + cpu-supply = <&vdd_cpu_b>;
>> +};
>> +
>> +&emmc_phy {
>> + status = "okay";
>> +};
>> +
>> +&gmac {
>> + assigned-clocks = <&cru SCLK_RMII_SRC>;
>> + assigned-clock-parents = <&clkin_gmac>;
>> + clock_in_out = "input";
>> + phy-supply = <&vcc_phy>;
>> + phy-mode = "rgmii";
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&rgmii_pins>;
>> + snps,reset-gpio = <&gpio3 15 GPIO_ACTIVE_LOW>;
>> + snps,reset-active-low;
>> + snps,reset-delays-us = <0 10000 50000>;
>> + tx_delay = <0x28>;
>> + rx_delay = <0x11>;
>> + status = "okay";
>> +};
>> +
>> +&i2c0 {
>> + status = "okay";
>> + i2c-scl-rising-time-ns = <168>;
>> + i2c-scl-falling-time-ns = <4>;
>> + clock-frequency = <400000>;
>> +
>> + vdd_cpu_b: syr827@40 {

Node name should not duplicate the model. pmic@40?

>> + compatible = "silergy,syr827";
>> + reg = <0x40>;
>> + vin-supply = <&vcc5v0_sys>;
>> + regulator-compatible = "fan53555-reg";
>> + regulator-name = "vdd_cpu_b";
>> + regulator-min-microvolt = <712500>;
>> + regulator-max-microvolt = <1500000>;
>> + regulator-ramp-delay = <1000>;
>> + vsel-gpios = <&gpio1 18 GPIO_ACTIVE_HIGH>;
>> + fcs,suspend-voltage-selector = <0>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-initial-state = <3>;
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vdd_gpu: syr828@41 {

Ditto.

>> + compatible = "silergy,syr828";
>> + reg = <0x41>;
>> + vin-supply = <&vcc5v0_sys>;
>> + regulator-compatible = "fan53555-reg";
>> + regulator-name = "vdd_gpu";
>> + regulator-min-microvolt = <712500>;
>> + regulator-max-microvolt = <1500000>;
>> + regulator-ramp-delay = <1000>;
>> + fcs,suspend-voltage-selector = <1>;
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-initial-state = <3>;
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + rk808: pmic@1b {

Sort order: Any reason that 1b is after 40, 41?

>> + compatible = "rockchip,rk808";
>> + reg = <0x1b>;
>> + interrupt-parent = <&gpio1>;
>> + interrupts = <21 IRQ_TYPE_LEVEL_LOW>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pmic_int_l>;
>> + rockchip,system-power-controller;
>> + wakeup-source;
>> + #clock-cells = <1>;
>> + clock-output-names = "xin32k", "rk808-clkout2";
>> +
>> + vcc1-supply = <&vcc3v3_sys>;
>> + vcc2-supply = <&vcc3v3_sys>;
>> + vcc3-supply = <&vcc3v3_sys>;
>> + vcc4-supply = <&vcc3v3_sys>;
>> + vcc6-supply = <&vcc3v3_sys>;
>> + vcc7-supply = <&vcc3v3_sys>;
>> + vcc8-supply = <&vcc3v3_sys>;
>> + vcc9-supply = <&vcc3v3_sys>;
>> + vcc10-supply = <&vcc3v3_sys>;
>> + vcc11-supply = <&vcc3v3_sys>;
>> + vcc12-supply = <&vcc3v3_sys>;
>> + vddio-supply = <&vcc1v8_pmu>;
>> +
>> + regulators {
>> + vdd_center: DCDC_REG1 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <750000>;
>> + regulator-max-microvolt = <1350000>;
>> + regulator-ramp-delay = <6001>;
>> + regulator-name = "vdd_center";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vdd_cpu_l: DCDC_REG2 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <750000>;
>> + regulator-max-microvolt = <1350000>;
>> + regulator-ramp-delay = <6001>;
>> + regulator-name = "vdd_cpu_l";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vcc_ddr: DCDC_REG3 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-name = "vcc_ddr";
>> + regulator-state-mem {
>> + regulator-on-in-suspend;
>> + };
>> + };
>> +
>> + vcc_1v8: DCDC_REG4 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcc_1v8";
>> + regulator-state-mem {
>> + regulator-on-in-suspend;
>> + regulator-suspend-microvolt = <1800000>;
>> + };
>> + };
>> +
>> + vcc1v8_dvp: LDO_REG1 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcc1v8_dvp";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vcc3v0_tp: LDO_REG2 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <3000000>;
>> + regulator-max-microvolt = <3000000>;
>> + regulator-name = "vcc3v0_tp";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vcc1v8_pmu: LDO_REG3 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcc1v8_pmu";
>> + regulator-state-mem {
>> + regulator-on-in-suspend;
>> + regulator-suspend-microvolt = <1800000>;
>> + };
>> + };
>> +
>> + vcc_sd: LDO_REG4 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <3300000>;
>> + regulator-name = "vcc_sd";
>> + regulator-state-mem {
>> + regulator-on-in-suspend;
>> + regulator-suspend-microvolt = <3300000>;
>> + };
>> + };
>> +
>> + vcca3v0_codec: LDO_REG5 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <3000000>;
>> + regulator-max-microvolt = <3000000>;
>> + regulator-name = "vcca3v0_codec";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vcc_1v5: LDO_REG6 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1500000>;
>> + regulator-max-microvolt = <1500000>;
>> + regulator-name = "vcc_1v5";
>> + regulator-state-mem {
>> + regulator-on-in-suspend;
>> + regulator-suspend-microvolt = <1500000>;
>> + };
>> + };
>> +
>> + vcca1v8_codec: LDO_REG7 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <1800000>;
>> + regulator-max-microvolt = <1800000>;
>> + regulator-name = "vcca1v8_codec";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vcc_3v0: LDO_REG8 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-min-microvolt = <3000000>;
>> + regulator-max-microvolt = <3000000>;
>> + regulator-name = "vcc_3v0";
>> + regulator-state-mem {
>> + regulator-on-in-suspend;
>> + regulator-suspend-microvolt = <3000000>;
>> + };
>> + };
>> +
>> + vcc3v3_s3: SWITCH_REG1 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-name = "vcc3v3_s3";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> +
>> + vcc3v3_s0: SWITCH_REG2 {
>> + regulator-always-on;
>> + regulator-boot-on;
>> + regulator-name = "vcc3v3_s0";
>> + regulator-state-mem {
>> + regulator-off-in-suspend;
>> + };
>> + };
>> + };
>> + };
>> +};
>> +
>> +&i2c1 {
>> + status = "okay";
>> + i2c-scl-rising-time-ns = <300>;
>> + i2c-scl-falling-time-ns = <15>;
>> +
>> + gsl3673: gsl3673@40 {

Node name?

>> + compatible = "GSL,GSL3673";
>> + reg = <0x40>;
>> + screen_max_x = <1536>;
>> + screen_max_y = <2048>;
>> + irq_gpio_number = <&gpio1 20 IRQ_TYPE_LEVEL_LOW>;
>> + rst_gpio_number = <&gpio4 22 GPIO_ACTIVE_HIGH>;
>
> Again doesn't look like a valid binding.
>
>
>> + };
>> +
>> + rt5640: rt5640@1c {

Node name: codec@1c?

>> + #sound-dai-cells = <0>;
>> + compatible = "realtek,rt5640";
>> + reg = <0x1c>;
>> + clocks = <&cru SCLK_I2S_8CH_OUT>;
>> + clock-names = "mclk";
>> + realtek,in1-differential;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&rt5640_hpcon>;
>> + hp-con-gpio = <&gpio4 21 GPIO_ACTIVE_HIGH>;
>> + //hp-det-gpio = <&gpio4 28 GPIO_ACTIVE_LOW>;
>
> don't add commented lines please
>
>
>> + io-channels = <&saradc 4>;
>> + hp-det-adc-value = <500>;
>> + };
>> +};
>> +
>> +&i2c3 {
>> + status = "okay";
>> + i2c-scl-rising-time-ns = <450>;
>> + i2c-scl-falling-time-ns = <15>;
>> +};
>> +
>> +&i2c4 {
>> + status = "okay";
>> + i2c-scl-rising-time-ns = <600>;
>> + i2c-scl-falling-time-ns = <20>;
>> +
>> + fusb0: fusb30x@22 {

Node name?

>> + compatible = "fairchild,fusb302";
>
> Has this made its way into the kernel yet?

Regards,
Andreas

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