| Message ID | 1482794396-16153-1-git-send-email-l.majewski@majess.pl (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
Hello Lukasz, On 12/27/2016 01:19 AM, Lukasz Majewski wrote: > Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> please add a commit message with a short description of the change. Also change subject line to "ARM: dts: imx6q: Add mccmon6 board support". > --- > MCCMON6 board support depends on following patches: > > 1. "video: backlight: pwm_bl: Initialize fb_bl_on[x] and use_count during pwm_backlight_probe()" > http://patchwork.ozlabs.org/patch/708844/ > > 2. "pwm: imx: Provide atomic operation for IMX PWM driver" > http://patchwork.ozlabs.org/patch/708847/ - http://patchwork.ozlabs.org/patch/708843/ > > > --- > arch/arm/boot/dts/Makefile | 1 + > arch/arm/boot/dts/imx6q-mccmon6.dts | 469 ++++++++++++++++++++++++++++++++++++ > 2 files changed, 470 insertions(+) > create mode 100644 arch/arm/boot/dts/imx6q-mccmon6.dts > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > index c558ba7..7ce1080 100644 > --- a/arch/arm/boot/dts/Makefile > +++ b/arch/arm/boot/dts/Makefile > @@ -382,6 +382,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \ > imx6q-h100.dtb \ > imx6q-hummingboard.dtb \ > imx6q-icore-rqs.dtb \ > + imx6q-mccmon6.dtb \ > imx6q-marsboard.dtb \ Please add a new line preserving alphabetical order. > imx6q-nitrogen6x.dtb \ > imx6q-nitrogen6_max.dtb \ > diff --git a/arch/arm/boot/dts/imx6q-mccmon6.dts b/arch/arm/boot/dts/imx6q-mccmon6.dts > new file mode 100644 > index 0000000..7445d01 > --- /dev/null > +++ b/arch/arm/boot/dts/imx6q-mccmon6.dts > @@ -0,0 +1,469 @@ > +/* > + * Copyright 2016 Copyright holder is missing. > + * > + * Author: Lukasz Majewski <l.majewski@majess.pl> > + * > + * This program is free software; you can redistribute it and/or modify > + * it under the terms of the GNU General Public License version 2 as > + * published by the Free Software Foundation. > + * > + */ Please add an empty line here to improve readability. > +/dts-v1/; Please add an empty line here to improve readability. > +#include "imx6q.dtsi" > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/pwm/pwm.h> > + > +/ { > + model = "Monitor6 i.MX6 Quad Board"; Missing hardware vendor name. > + compatible = "mccmon6", "fsl,imx6q"; Missing hardware vendor prefix before "mccmon6". > + > + memory { > + reg = <0x10000000 0x80000000>; > + }; > + > + ethernet0 { > + status = "okay"; > + }; It looks like a useless device node, you have a description of &fec already. > + > + backlight_lvds: backlight { > + compatible = "pwm-backlight"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_display>; I would recommend to rename "pinctrl_display" to "pinctrl_backlight". > + pwms = <&pwm2 0 5000000 PWM_POLARITY_INVERTED>; This should work when extension to the i.MX PWM driver is merged. > + 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>; I'm not sure that actually need such a long list of brightness levels. > + default-brightness-level = <50>; > + enable-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; > + }; > + > + reg_lvds: regulator-lvds { > + compatible = "regulator-fixed"; > + regulator-name = "lvds_ppen"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-boot-on; > + gpio = <&gpio1 19 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > + panel-lvds0 { > + compatible = "innolux,g121x1-l03"; > + backlight = <&backlight_lvds>; > + power-supply = <®_lvds>; > + > + port { > + panel_in_lvds0: endpoint { > + remote-endpoint = <&lvds0_out>; > + }; > + }; > + }; > +}; > + > +&i2c1 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c1>; > + status = "okay"; > +}; > + > +&i2c2 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c2>; > + status = "okay"; > + > + pmic: pfuze100@08 { > + compatible = "fsl,pfuze100"; > + reg = <0x08>; > + > + regulators { > + sw1a_reg: sw1ab { > + regulator-min-microvolt = <300000>; > + regulator-max-microvolt = <1875000>; > + regulator-boot-on; > + regulator-always-on; > + regulator-ramp-delay = <6250>; > + }; > + > + sw1c_reg: sw1c { > + regulator-min-microvolt = <300000>; > + regulator-max-microvolt = <1875000>; > + regulator-boot-on; > + regulator-always-on; > + regulator-ramp-delay = <6250>; > + }; > + > + sw2_reg: sw2 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3950000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw3a_reg: sw3a { > + regulator-min-microvolt = <400000>; > + regulator-max-microvolt = <1975000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw3b_reg: sw3b { > + regulator-min-microvolt = <400000>; > + regulator-max-microvolt = <1975000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw4_reg: sw4 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + swbst_reg: swbst { > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5150000>; > + }; > + > + snvs_reg: vsnvs { > + regulator-min-microvolt = <1000000>; > + regulator-max-microvolt = <3000000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vref_reg: vrefddr { > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vgen1_reg: vgen1 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <1550000>; > + }; > + > + vgen2_reg: vgen2 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <1550000>; > + }; > + > + vgen3_reg: vgen3 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + vgen4_reg: vgen4 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + vgen5_reg: vgen5 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + vgen6_reg: vgen6 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + }; > + }; > +}; > + > +&iomuxc { > + pinctrl-names = "default"; > + > + imx6q-mccmon6 { > + Please drop the empty line above. > + pinctrl_enet: enetgrp { > + fsl,pins = < > + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 > + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 > + MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b0b0 > + MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b0b0 > + MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b0b0 > + MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b0b0 > + MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b0b0 > + MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0 > + MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0 > + MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b0b0 > + MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b0b0 > + MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b0b0 > + MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b0b0 > + MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b0b0 > + MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0 > + MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8 > + MX6QDL_PAD_GPIO_6__ENET_IRQ 0x000b1 > + >; > + }; > + > + pinctrl_i2c1: i2c1grp { > + fsl,pins = < > + MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1 > + MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1 > + >; > + }; > + > + pinctrl_i2c2: i2c2grp { > + fsl,pins = < > + MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 > + MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 > + >; > + }; > + > + pinctrl_uart1: uart1grp { > + fsl,pins = < > + MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 > + MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1 > + >; > + }; > + > + pinctrl_usdhc2: usdhc2grp { > + fsl,pins = < > + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059 > + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059 > + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059 > + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059 > + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059 > + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059 > + >; > + }; > + > + pinctrl_usdhc3: usdhc3grp { > + fsl,pins = < > + MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059 > + MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059 > + MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059 > + MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059 > + MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059 > + MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059 > + MX6QDL_PAD_SD3_DAT4__SD3_DATA4 0x17059 > + MX6QDL_PAD_SD3_DAT5__SD3_DATA5 0x17059 > + MX6QDL_PAD_SD3_DAT6__SD3_DATA6 0x17059 > + MX6QDL_PAD_SD3_DAT7__SD3_DATA7 0x17059 > + MX6QDL_PAD_SD3_RST__SD3_RESET 0x17059 > + >; > + }; > + > + pinctrl_weim_cs0: weimcs0grp { > + fsl,pins = < > + MX6QDL_PAD_EIM_CS0__EIM_CS0_B 0xb0b1 > + >; > + }; > + > + pinctrl_weim_nor: weimnorgrp { > + fsl,pins = < > + MX6QDL_PAD_EIM_OE__EIM_OE_B 0xb0b1 > + MX6QDL_PAD_EIM_RW__EIM_RW 0xb0b1 > + MX6QDL_PAD_EIM_WAIT__EIM_WAIT_B 0xb060 > + MX6QDL_PAD_EIM_D16__EIM_DATA16 0x1b0b0 > + MX6QDL_PAD_EIM_D17__EIM_DATA17 0x1b0b0 > + MX6QDL_PAD_EIM_D18__EIM_DATA18 0x1b0b0 > + MX6QDL_PAD_EIM_D19__EIM_DATA19 0x1b0b0 > + MX6QDL_PAD_EIM_D20__EIM_DATA20 0x1b0b0 > + MX6QDL_PAD_EIM_D21__EIM_DATA21 0x1b0b0 > + MX6QDL_PAD_EIM_D22__EIM_DATA22 0x1b0b0 > + MX6QDL_PAD_EIM_D23__EIM_DATA23 0x1b0b0 > + MX6QDL_PAD_EIM_D24__EIM_DATA24 0x1b0b0 > + MX6QDL_PAD_EIM_D25__EIM_DATA25 0x1b0b0 > + MX6QDL_PAD_EIM_D26__EIM_DATA26 0x1b0b0 > + MX6QDL_PAD_EIM_D27__EIM_DATA27 0x1b0b0 > + MX6QDL_PAD_EIM_D28__EIM_DATA28 0x1b0b0 > + MX6QDL_PAD_EIM_D29__EIM_DATA29 0x1b0b0 > + MX6QDL_PAD_EIM_D30__EIM_DATA30 0x1b0b0 > + MX6QDL_PAD_EIM_D31__EIM_DATA31 0x1b0b0 > + MX6QDL_PAD_EIM_A23__EIM_ADDR23 0xb0b1 > + MX6QDL_PAD_EIM_A22__EIM_ADDR22 0xb0b1 > + MX6QDL_PAD_EIM_A21__EIM_ADDR21 0xb0b1 > + MX6QDL_PAD_EIM_A20__EIM_ADDR20 0xb0b1 > + MX6QDL_PAD_EIM_A19__EIM_ADDR19 0xb0b1 > + MX6QDL_PAD_EIM_A18__EIM_ADDR18 0xb0b1 > + MX6QDL_PAD_EIM_A17__EIM_ADDR17 0xb0b1 > + MX6QDL_PAD_EIM_A16__EIM_ADDR16 0xb0b1 > + MX6QDL_PAD_EIM_DA15__EIM_AD15 0xb0b1 > + MX6QDL_PAD_EIM_DA14__EIM_AD14 0xb0b1 > + MX6QDL_PAD_EIM_DA13__EIM_AD13 0xb0b1 > + MX6QDL_PAD_EIM_DA12__EIM_AD12 0xb0b1 > + MX6QDL_PAD_EIM_DA11__EIM_AD11 0xb0b1 > + MX6QDL_PAD_EIM_DA10__EIM_AD10 0xb0b1 > + MX6QDL_PAD_EIM_DA9__EIM_AD09 0xb0b1 > + MX6QDL_PAD_EIM_DA8__EIM_AD08 0xb0b1 > + MX6QDL_PAD_EIM_DA7__EIM_AD07 0xb0b1 > + MX6QDL_PAD_EIM_DA6__EIM_AD06 0xb0b1 > + MX6QDL_PAD_EIM_DA5__EIM_AD05 0xb0b1 > + MX6QDL_PAD_EIM_DA4__EIM_AD04 0xb0b1 > + MX6QDL_PAD_EIM_DA3__EIM_AD03 0xb0b1 > + MX6QDL_PAD_EIM_DA2__EIM_AD02 0xb0b1 > + MX6QDL_PAD_EIM_DA1__EIM_AD01 0xb0b1 > + MX6QDL_PAD_EIM_DA0__EIM_AD00 0xb0b1 > + >; > + }; > + > + pinctrl_ecspi3: ecspi3grp { > + fsl,pins = < > + MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO 0x100b1 > + MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI 0x100b1 > + MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK 0x100b1 > + >; > + }; > + > + pinctrl_ecspi3_cs: ecspi3cs { > + fsl,pins = < > + MX6QDL_PAD_DISP0_DAT3__GPIO4_IO24 0x80000000 > + >; > + }; > + pinctrl_ecspi3_flwp: ecspi3flwp { > + fsl,pins = < > + MX6QDL_PAD_DISP0_DAT6__GPIO4_IO27 0x80000000 > + >; > + }; > + > + pinctrl_uart4: uart4grp { > + fsl,pins = < > + MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1 > + MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1 > + MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1 > + MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1 > + >; > + }; > + > + pinctrl_display: dispgrp { > + fsl,pins = < > + /* BLEN_OUT */ > + MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b0 > + /* LVDS_PPEN_OUT */ > + MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 0x1b0b0 This GPIO should be moved to a pinctrl group of regulator-lvds device node. > + >; > + }; > + > + pinctrl_pwm2: pwm2grp { > + fsl,pins = < > + MX6QDL_PAD_GPIO_1__PWM2_OUT 0x1b0b1 > + >; > + }; Please sort out all pinctrl_* nodes alphabetically. > + }; > +}; > + > +&fec { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_enet>; > + phy-mode = "rgmii"; > + phy-reset-gpios = <&gpio1 27 0>; GPIO1_27 has no pad configuration in pinctrl_enet. > + interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, > + <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; > + status = "okay"; > +}; > + > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart1>; Should you add "uart-has-rtscts" property? > + status = "okay"; > +}; > + > +&usdhc2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usdhc2>; > + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; bus-width = <4>; You should consider to add the GPIO1_4 into pinctrl_usdhc2 group. > + status = "okay"; > +}; > + > +&usdhc3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usdhc3>; > + bus-width = <8>; > + status = "okay"; No "cd-gpios" property, should you add "non-removable" property then? > +}; > + > +&weim { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_weim_nor &pinctrl_weim_cs0>; > + #address-cells = <2>; > + #size-cells = <1>; > + ranges = <0 0 0x08000000 0x08000000>; > + status = "okay"; > + > + nor@0,0 { > + compatible = "cfi-flash"; > + reg = <0 0 0x02000000>; > + #address-cells = <1>; > + #size-cells = <1>; > + bank-width = <2>; > + use-advanced-sector-protection; > + fsl,weim-cs-timing = <0x00620081 0x00000001 0x1c022000 > + 0x0000c000 0x1404a38e 0x00000000>; > + }; > +}; > + > +&ecspi3 { > + fsl,spi-num-chipselects = <1>; This property is obsoleted, please remove it. > + cs-gpios = <&gpio4 24 0>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_ecspi3 &pinctrl_ecspi3_cs &pinctrl_ecspi3_flwp>; > + status = "okay"; > + > + flash: s25sl032p@0 { > + #address-cells = <1>; > + #size-cells = <1>; > + compatible = "spansion,s25sl032p", "jedec,spi-nor"; > + spi-max-frequency = <40000000>; > + reg = <0>; > + }; > +}; > + > +&uart4 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart4>; > + status = "okay"; Should you add "uart-has-rtscts" property? > +}; > + > +&ldb { > + status = "okay"; > + > + lvds0: lvds-channel@0 { > + fsl,data-mapping = "spwg"; > + fsl,data-width = <24>; > + status = "okay"; > + > + port@4 { > + reg = <4>; > + > + lvds0_out: endpoint { > + remote-endpoint = <&panel_in_lvds0>; > + }; > + }; > + }; > +}; > + > +&pwm2 { > + #pwm-cells = <3>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_pwm2>; > + status = "okay"; > +}; > Please sort out all device nodes but &iomuxc alphabetically: * iomuxc * ecspi3 * fec * i2c1 * i2c2 * ldb * pwm2 * uart1 * uart4 * usdhc2 * usdhc3 * weim -- With best wishes, Vladimir
Hi Vladimir, Thank you for review. Comments without my remarks have been applied already. > Hello Lukasz, > > On 12/27/2016 01:19 AM, Lukasz Majewski wrote: > > Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> > > please add a commit message with a short description of the change. > > Also change subject line to "ARM: dts: imx6q: Add mccmon6 board > support". > > > --- > > MCCMON6 board support depends on following patches: > > > > 1. "video: backlight: pwm_bl: Initialize fb_bl_on[x] and use_count > > during pwm_backlight_probe()" > > http://patchwork.ozlabs.org/patch/708844/ > > > > 2. "pwm: imx: Provide atomic operation for IMX PWM driver" > > http://patchwork.ozlabs.org/patch/708847/ - > > http://patchwork.ozlabs.org/patch/708843/ > > > > > > --- > > arch/arm/boot/dts/Makefile | 1 + > > arch/arm/boot/dts/imx6q-mccmon6.dts | 469 > > ++++++++++++++++++++++++++++++++++++ 2 files changed, 470 > > insertions(+) create mode 100644 arch/arm/boot/dts/imx6q-mccmon6.dts > > > > diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile > > index c558ba7..7ce1080 100644 > > --- a/arch/arm/boot/dts/Makefile > > +++ b/arch/arm/boot/dts/Makefile > > @@ -382,6 +382,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \ > > imx6q-h100.dtb \ > > imx6q-hummingboard.dtb \ > > imx6q-icore-rqs.dtb \ > > + imx6q-mccmon6.dtb \ > > imx6q-marsboard.dtb \ > > Please add a new line preserving alphabetical order. > > > imx6q-nitrogen6x.dtb \ > > imx6q-nitrogen6_max.dtb \ > > diff --git a/arch/arm/boot/dts/imx6q-mccmon6.dts > > b/arch/arm/boot/dts/imx6q-mccmon6.dts new file mode 100644 > > index 0000000..7445d01 > > --- /dev/null > > +++ b/arch/arm/boot/dts/imx6q-mccmon6.dts > > @@ -0,0 +1,469 @@ > > +/* > > + * Copyright 2016 > > Copyright holder is missing. > > > + * > > + * Author: Lukasz Majewski <l.majewski@majess.pl> > > + * > > + * This program is free software; you can redistribute it and/or > > modify > > + * it under the terms of the GNU General Public License version 2 > > as > > + * published by the Free Software Foundation. > > + * > > + */ > > Please add an empty line here to improve readability. > > > +/dts-v1/; > > Please add an empty line here to improve readability. > > > +#include "imx6q.dtsi" > > + > > +#include <dt-bindings/gpio/gpio.h> > > +#include <dt-bindings/pwm/pwm.h> > > + > > +/ { > > + model = "Monitor6 i.MX6 Quad Board"; > > Missing hardware vendor name. > > > + compatible = "mccmon6", "fsl,imx6q"; > > Missing hardware vendor prefix before "mccmon6". "lwn,mccmon6" ? > > > + > > + memory { > > + reg = <0x10000000 0x80000000>; > > + }; > > + > > + ethernet0 { > > + status = "okay"; > > + }; > > It looks like a useless device node, you have a description of &fec > already. > > > + > > + backlight_lvds: backlight { > > + compatible = "pwm-backlight"; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_display>; > > I would recommend to rename "pinctrl_display" to "pinctrl_backlight". > > > + pwms = <&pwm2 0 5000000 PWM_POLARITY_INVERTED>; > > This should work when extension to the i.MX PWM driver is merged. Yes. The PWM -> apply is an ongoing work. But without the PMW patch the board is also fully operational (with reversed PWM :-) ) > > > + 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>; > > I'm not sure that actually need such a long list of brightness levels. Such brightness-level property is so verbose on purpose - in this board we need fine brightness adjustment (harsh environment operation). > > > + default-brightness-level = <50>; > > + enable-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; > > + }; > > + > > + reg_lvds: regulator-lvds { > > + compatible = "regulator-fixed"; > > + regulator-name = "lvds_ppen"; > > + regulator-min-microvolt = <3300000>; > > + regulator-max-microvolt = <3300000>; > > + regulator-boot-on; > > + gpio = <&gpio1 19 GPIO_ACTIVE_HIGH>; > > + enable-active-high; > > + }; > > + > > + panel-lvds0 { > > + compatible = "innolux,g121x1-l03"; > > + backlight = <&backlight_lvds>; > > + power-supply = <®_lvds>; > > + > > + port { > > + panel_in_lvds0: endpoint { > > + remote-endpoint = <&lvds0_out>; > > + }; > > + }; > > + }; > > +}; > > + > > +&i2c1 { > > + clock-frequency = <100000>; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_i2c1>; > > + status = "okay"; > > +}; > > + > > +&i2c2 { > > + clock-frequency = <100000>; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_i2c2>; > > + status = "okay"; > > + > > + pmic: pfuze100@08 { > > + compatible = "fsl,pfuze100"; > > + reg = <0x08>; > > + > > + regulators { > > + sw1a_reg: sw1ab { > > + regulator-min-microvolt = <300000>; > > + regulator-max-microvolt = > > <1875000>; > > + regulator-boot-on; > > + regulator-always-on; > > + regulator-ramp-delay = <6250>; > > + }; > > + > > + sw1c_reg: sw1c { > > + regulator-min-microvolt = <300000>; > > + regulator-max-microvolt = > > <1875000>; > > + regulator-boot-on; > > + regulator-always-on; > > + regulator-ramp-delay = <6250>; > > + }; > > + > > + sw2_reg: sw2 { > > + regulator-min-microvolt = <800000>; > > + regulator-max-microvolt = > > <3950000>; > > + regulator-boot-on; > > + regulator-always-on; > > + }; > > + > > + sw3a_reg: sw3a { > > + regulator-min-microvolt = <400000>; > > + regulator-max-microvolt = > > <1975000>; > > + regulator-boot-on; > > + regulator-always-on; > > + }; > > + > > + sw3b_reg: sw3b { > > + regulator-min-microvolt = <400000>; > > + regulator-max-microvolt = > > <1975000>; > > + regulator-boot-on; > > + regulator-always-on; > > + }; > > + > > + sw4_reg: sw4 { > > + regulator-min-microvolt = <800000>; > > + regulator-max-microvolt = > > <3300000>; > > + }; > > + > > + swbst_reg: swbst { > > + regulator-min-microvolt = > > <5000000>; > > + regulator-max-microvolt = > > <5150000>; > > + }; > > + > > + snvs_reg: vsnvs { > > + regulator-min-microvolt = > > <1000000>; > > + regulator-max-microvolt = > > <3000000>; > > + regulator-boot-on; > > + regulator-always-on; > > + }; > > + > > + vref_reg: vrefddr { > > + regulator-boot-on; > > + regulator-always-on; > > + }; > > + > > + vgen1_reg: vgen1 { > > + regulator-min-microvolt = <800000>; > > + regulator-max-microvolt = > > <1550000>; > > + }; > > + > > + vgen2_reg: vgen2 { > > + regulator-min-microvolt = <800000>; > > + regulator-max-microvolt = > > <1550000>; > > + }; > > + > > + vgen3_reg: vgen3 { > > + regulator-min-microvolt = > > <1800000>; > > + regulator-max-microvolt = > > <3300000>; > > + }; > > + > > + vgen4_reg: vgen4 { > > + regulator-min-microvolt = > > <1800000>; > > + regulator-max-microvolt = > > <3300000>; > > + regulator-always-on; > > + }; > > + > > + vgen5_reg: vgen5 { > > + regulator-min-microvolt = > > <1800000>; > > + regulator-max-microvolt = > > <3300000>; > > + regulator-always-on; > > + }; > > + > > + vgen6_reg: vgen6 { > > + regulator-min-microvolt = > > <1800000>; > > + regulator-max-microvolt = > > <3300000>; > > + regulator-always-on; > > + }; > > + }; > > + }; > > +}; > > + > > +&iomuxc { > > + pinctrl-names = "default"; > > + > > + imx6q-mccmon6 { > > + > > Please drop the empty line above. > > > + pinctrl_enet: enetgrp { > > + fsl,pins = < > > + > > MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 > > + > > MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0 > > + > > MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b0b0 > > + > > MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0 > > + MX6QDL_PAD_GPIO_16__ENET_REF_CLK > > 0x4001b0a8 > > + > > MX6QDL_PAD_GPIO_6__ENET_IRQ 0x000b1 > > + >; > > + }; > > + > > + pinctrl_i2c1: i2c1grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1 > > + > > MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1 > > + >; > > + }; > > + > > + pinctrl_i2c2: i2c2grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 > > + > > MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 > > + >; > > + }; > > + > > + pinctrl_uart1: uart1grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 > > + > > MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1 > > + >; > > + }; > > + > > + pinctrl_usdhc2: usdhc2grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059 > > + > > MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059 > > + > > MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059 > > + > > MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059 > > + > > MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059 > > + > > MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059 > > + >; > > + }; > > + > > + pinctrl_usdhc3: usdhc3grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059 > > + > > MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059 > > + > > MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059 > > + > > MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059 > > + > > MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059 > > + > > MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059 > > + > > MX6QDL_PAD_SD3_DAT4__SD3_DATA4 0x17059 > > + > > MX6QDL_PAD_SD3_DAT5__SD3_DATA5 0x17059 > > + > > MX6QDL_PAD_SD3_DAT6__SD3_DATA6 0x17059 > > + > > MX6QDL_PAD_SD3_DAT7__SD3_DATA7 0x17059 > > + > > MX6QDL_PAD_SD3_RST__SD3_RESET 0x17059 > > + >; > > + }; > > + > > + pinctrl_weim_cs0: weimcs0grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_EIM_CS0__EIM_CS0_B 0xb0b1 > > + >; > > + }; > > + > > + pinctrl_weim_nor: weimnorgrp { > > + fsl,pins = < > > + > > MX6QDL_PAD_EIM_OE__EIM_OE_B 0xb0b1 > > + > > MX6QDL_PAD_EIM_RW__EIM_RW 0xb0b1 > > + > > MX6QDL_PAD_EIM_WAIT__EIM_WAIT_B 0xb060 > > + > > MX6QDL_PAD_EIM_D16__EIM_DATA16 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D17__EIM_DATA17 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D18__EIM_DATA18 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D19__EIM_DATA19 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D20__EIM_DATA20 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D21__EIM_DATA21 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D22__EIM_DATA22 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D23__EIM_DATA23 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D24__EIM_DATA24 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D25__EIM_DATA25 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D26__EIM_DATA26 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D27__EIM_DATA27 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D28__EIM_DATA28 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D29__EIM_DATA29 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D30__EIM_DATA30 0x1b0b0 > > + > > MX6QDL_PAD_EIM_D31__EIM_DATA31 0x1b0b0 > > + > > MX6QDL_PAD_EIM_A23__EIM_ADDR23 0xb0b1 > > + > > MX6QDL_PAD_EIM_A22__EIM_ADDR22 0xb0b1 > > + > > MX6QDL_PAD_EIM_A21__EIM_ADDR21 0xb0b1 > > +v4.9-release-devel-fast > > MX6QDL_PAD_EIM_A20__EIM_ADDR20 0xb0b1 > > + > > MX6QDL_PAD_EIM_A19__EIM_ADDR19 0xb0b1 > > + > > MX6QDL_PAD_EIM_A18__EIM_ADDR18 0xb0b1 > > + > > MX6QDL_PAD_EIM_A17__EIM_ADDR17 0xb0b1 > > + > > MX6QDL_PAD_EIM_A16__EIM_ADDR16 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA15__EIM_AD15 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA14__EIM_AD14 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA13__EIM_AD13 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA12__EIM_AD12 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA11__EIM_AD11 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA10__EIM_AD10 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA9__EIM_AD09 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA8__EIM_AD08 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA7__EIM_AD07 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA6__EIM_AD06 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA5__EIM_AD05 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA4__EIM_AD04 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA3__EIM_AD03 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA2__EIM_AD02 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA1__EIM_AD01 0xb0b1 > > + > > MX6QDL_PAD_EIM_DA0__EIM_AD00 0xb0b1 > > + >; > > + }; > > + > > + pinctrl_ecspi3: ecspi3grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO 0x100b1 > > + > > MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI 0x100b1 > > + > > MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK 0x100b1 > > + >; > > + }; > > + > > + pinctrl_ecspi3_cs: ecspi3cs { > > + fsl,pins = < > > + MX6QDL_PAD_DISP0_DAT3__GPIO4_IO24 > > 0x80000000 > > + >; > > + }; > > + pinctrl_ecspi3_flwp: ecspi3flwp { > > + fsl,pins = < > > + MX6QDL_PAD_DISP0_DAT6__GPIO4_IO27 > > 0x80000000 > > + >; > > + }; > > + > > + pinctrl_uart4: uart4grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1 > > + > > MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1 > > + > > MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1 > > + > > MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1 > > + >; > > + }; > > + > > + pinctrl_display: dispgrp { > > + fsl,pins = < > > + /* BLEN_OUT */ > > + MX6QDL_PAD_GPIO_2__GPIO1_IO02 > > 0x1b0b0 > > + /* LVDS_PPEN_OUT */ > > + MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 > > 0x1b0b0 > > This GPIO should be moved to a pinctrl group of regulator-lvds device > node. You mean to provide separate: pinctrl_reg_lvds: req_lvds_grp { fsl,pins = < /* LVDS_PPEN_OUT */ MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 >; and then reg_lvds: regulator-lvds { compatible = "regulator-fixed"; regulator-name = "lvds_ppen"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-boot-on; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_reg_lvds>; gpio = <&gpio1 19 GPIO_ACTIVE_HIGH>; enable-active-high; }; > > > + >; > > + }; > > + > > + pinctrl_pwm2: pwm2grp { > > + fsl,pins = < > > + > > MX6QDL_PAD_GPIO_1__PWM2_OUT 0x1b0b1 > > + >; > > + }; > > Please sort out all pinctrl_* nodes alphabetically. > > > + }; > > +}; > > + > > +&fec { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_enet>; > > + phy-mode = "rgmii"; > > + phy-reset-gpios = <&gpio1 27 0>; > > GPIO1_27 has no pad configuration in pinctrl_enet. > > > + interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, > > + <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; > > + status = "okay"; > > +}; > > + > > +&uart1 { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_uart1>; > > Should you add "uart-has-rtscts" property? This is a simple "console" uart without rts/cts, so this property is not needed. > > > + status = "okay"; > > +}; > > + > > +&usdhc2 { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_usdhc2>; > > + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; > > bus-width = <4>; > > You should consider to add the GPIO1_4 into pinctrl_usdhc2 group. Added. > > > + status = "okay"; > > +}; > > + > > +&usdhc3 { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_usdhc3>; > > + bus-width = <8>; > > + status = "okay"; > > No "cd-gpios" property, should you add "non-removable" property then? Yes, this is the eMMC memory. > > > +}; > > + > > +&weim { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_weim_nor &pinctrl_weim_cs0>; > > + #address-cells = <2>; > > + #size-cells = <1>; > > + ranges = <0 0 0x08000000 0x08000000>; > > + status = "okay"; > > + > > + nor@0,0 { > > + compatible = "cfi-flash"; > > + reg = <0 0 0x02000000>; > > + #address-cells = <1>; > > + #size-cells = <1>; > > + bank-width = <2>; > > + use-advanced-sector-protection; > > + fsl,weim-cs-timing = <0x00620081 0x00000001 > > 0x1c022000 > > + 0x0000c000 0x1404a38e 0x00000000>; > > + }; > > +}; > > + > > +&ecspi3 { > > + fsl,spi-num-chipselects = <1>; > > This property is obsoleted, please remove it. > > > + cs-gpios = <&gpio4 24 0>; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_ecspi3 &pinctrl_ecspi3_cs > > &pinctrl_ecspi3_flwp>; > > + status = "okay"; > > + > > + flash: s25sl032p@0 { > > + #address-cells = <1>; > > + #size-cells = <1>; > > + compatible = "spansion,s25sl032p", "jedec,spi-nor"; > > + spi-max-frequency = <40000000>; > > + reg = <0>; > > + }; > > +}; > > + > > +&uart4 { > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_uart4>; > > + status = "okay"; > > Should you add "uart-has-rtscts" property? Yes, this uart supports rts/cts flow controll > > > +}; > > + > > +&ldb { > > + status = "okay"; > > + > > + lvds0: lvds-channel@0 { > > + fsl,data-mapping = "spwg"; > > + fsl,data-width = <24>; > > + status = "okay"; > > + > > + port@4 { > > + reg = <4>; > > + > > + lvds0_out: endpoint { > > + remote-endpoint = > > <&panel_in_lvds0>; > > + }; > > + }; > > + }; > > +}; > > + > > +&pwm2 { > > + #pwm-cells = <3>; > > + pinctrl-names = "default"; > > + pinctrl-0 = <&pinctrl_pwm2>; > > + status = "okay"; > > +}; > > > > Please sort out all device nodes but &iomuxc alphabetically: > > * iomuxc > * ecspi3 > * fec > * i2c1 > * i2c2 > * ldb > * pwm2 > * uart1 > * uart4 > * usdhc2 > * usdhc3 > * weim Ok. > > -- > With best wishes, > Vladimir Best regards, Łukasz Majewski
Hi Lukasz, please find some comments below as usual. On 01/02/2017 04:44 PM, Lukasz Majewski wrote: > Hi Vladimir, > > Thank you for review. Comments without my remarks have been applied > already. > >> Hello Lukasz, >> >> On 12/27/2016 01:19 AM, Lukasz Majewski wrote: >>> Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> >> >> please add a commit message with a short description of the change. >> >> Also change subject line to "ARM: dts: imx6q: Add mccmon6 board >> support". >> >>> --- [snip] >>> +/ { >>> + model = "Monitor6 i.MX6 Quad Board"; >> >> Missing hardware vendor name. >> >>> + compatible = "mccmon6", "fsl,imx6q"; >> >> Missing hardware vendor prefix before "mccmon6". > > "lwn,mccmon6" ? > Something like that, but please ensure that you add "lwn" vendor in a separate preceding change to Documentation/devicetree/bindings/vendor-prefixes.txt >> >>> + >>> + memory { >>> + reg = <0x10000000 0x80000000>; >>> + }; >>> + >>> + ethernet0 { >>> + status = "okay"; >>> + }; >> >> It looks like a useless device node, you have a description of &fec >> already. >> >>> + >>> + backlight_lvds: backlight { >>> + compatible = "pwm-backlight"; >>> + pinctrl-names = "default"; >>> + pinctrl-0 = <&pinctrl_display>; >> >> I would recommend to rename "pinctrl_display" to "pinctrl_backlight". >> >>> + pwms = <&pwm2 0 5000000 PWM_POLARITY_INVERTED>; >> >> This should work when extension to the i.MX PWM driver is merged. > > Yes. The PWM -> apply is an ongoing work. But without the PMW patch the > board is also fully operational (with reversed PWM :-) ) > Right, I believe that the current PWM driver igonores the value passed in the third cell, so it should be okay. >> >>> + 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>; >> >> I'm not sure that actually need such a long list of brightness levels. > > Such brightness-level property is so verbose on purpose - in this board > we need fine brightness adjustment (harsh environment operation). Okay. >> >>> + default-brightness-level = <50>; >>> + enable-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; >>> + }; >>> + [snip] >>> + pinctrl_display: dispgrp { >>> + fsl,pins = < >>> + /* BLEN_OUT */ >>> + MX6QDL_PAD_GPIO_2__GPIO1_IO02 >>> 0x1b0b0 >>> + /* LVDS_PPEN_OUT */ >>> + MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 >>> 0x1b0b0 >> >> This GPIO should be moved to a pinctrl group of regulator-lvds device >> node. > > You mean to provide separate: > > pinctrl_reg_lvds: req_lvds_grp { > fsl,pins = < > /* LVDS_PPEN_OUT */ > MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 > >; > > and then > > reg_lvds: regulator-lvds { > compatible = "regulator-fixed"; > regulator-name = "lvds_ppen"; > regulator-min-microvolt = <3300000>; > regulator-max-microvolt = <3300000>; > regulator-boot-on; > > pinctrl-names = "default"; > pinctrl-0 = <&pinctrl_reg_lvds>; > > gpio = <&gpio1 19 GPIO_ACTIVE_HIGH>; > enable-active-high; > }; > This looks correct. [snip] >>> + >>> +&uart1 { >>> + pinctrl-names = "default"; >>> + pinctrl-0 = <&pinctrl_uart1>; >> >> Should you add "uart-has-rtscts" property? > > This is a simple "console" uart without rts/cts, so this property is > not needed. > You are right, my review comment is valid for UART4 only. [snip] -- With best wishes, Vladimir
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile index c558ba7..7ce1080 100644 --- a/arch/arm/boot/dts/Makefile +++ b/arch/arm/boot/dts/Makefile @@ -382,6 +382,7 @@ dtb-$(CONFIG_SOC_IMX6Q) += \ imx6q-h100.dtb \ imx6q-hummingboard.dtb \ imx6q-icore-rqs.dtb \ + imx6q-mccmon6.dtb \ imx6q-marsboard.dtb \ imx6q-nitrogen6x.dtb \ imx6q-nitrogen6_max.dtb \ diff --git a/arch/arm/boot/dts/imx6q-mccmon6.dts b/arch/arm/boot/dts/imx6q-mccmon6.dts new file mode 100644 index 0000000..7445d01 --- /dev/null +++ b/arch/arm/boot/dts/imx6q-mccmon6.dts @@ -0,0 +1,469 @@ +/* + * Copyright 2016 + * + * Author: Lukasz Majewski <l.majewski@majess.pl> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ +/dts-v1/; +#include "imx6q.dtsi" + +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/pwm/pwm.h> + +/ { + model = "Monitor6 i.MX6 Quad Board"; + compatible = "mccmon6", "fsl,imx6q"; + + memory { + reg = <0x10000000 0x80000000>; + }; + + ethernet0 { + status = "okay"; + }; + + backlight_lvds: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_display>; + pwms = <&pwm2 0 5000000 PWM_POLARITY_INVERTED>; + 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 = <50>; + enable-gpios = <&gpio1 2 GPIO_ACTIVE_LOW>; + }; + + reg_lvds: regulator-lvds { + compatible = "regulator-fixed"; + regulator-name = "lvds_ppen"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-boot-on; + gpio = <&gpio1 19 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + + panel-lvds0 { + compatible = "innolux,g121x1-l03"; + backlight = <&backlight_lvds>; + power-supply = <®_lvds>; + + port { + panel_in_lvds0: endpoint { + remote-endpoint = <&lvds0_out>; + }; + }; + }; +}; + +&i2c1 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c1>; + status = "okay"; +}; + +&i2c2 { + clock-frequency = <100000>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_i2c2>; + status = "okay"; + + pmic: pfuze100@08 { + compatible = "fsl,pfuze100"; + reg = <0x08>; + + regulators { + sw1a_reg: sw1ab { + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1875000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <6250>; + }; + + sw1c_reg: sw1c { + regulator-min-microvolt = <300000>; + regulator-max-microvolt = <1875000>; + regulator-boot-on; + regulator-always-on; + regulator-ramp-delay = <6250>; + }; + + sw2_reg: sw2 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3950000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3a_reg: sw3a { + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <1975000>; + regulator-boot-on; + regulator-always-on; + }; + + sw3b_reg: sw3b { + regulator-min-microvolt = <400000>; + regulator-max-microvolt = <1975000>; + regulator-boot-on; + regulator-always-on; + }; + + sw4_reg: sw4 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <3300000>; + }; + + swbst_reg: swbst { + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5150000>; + }; + + snvs_reg: vsnvs { + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <3000000>; + regulator-boot-on; + regulator-always-on; + }; + + vref_reg: vrefddr { + regulator-boot-on; + regulator-always-on; + }; + + vgen1_reg: vgen1 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1550000>; + }; + + vgen2_reg: vgen2 { + regulator-min-microvolt = <800000>; + regulator-max-microvolt = <1550000>; + }; + + vgen3_reg: vgen3 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + }; + + vgen4_reg: vgen4 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen5_reg: vgen5 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + + vgen6_reg: vgen6 { + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; + }; + }; +}; + +&iomuxc { + pinctrl-names = "default"; + + imx6q-mccmon6 { + + pinctrl_enet: enetgrp { + fsl,pins = < + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x1b0b0 + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x1b0b0 + MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x1b0b0 + MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x1b0b0 + MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x1b0b0 + MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x1b0b0 + MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x1b0b0 + MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x1b0b0 + MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x1b0b0 + MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b0b0 + MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b0b0 + MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b0b0 + MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b0b0 + MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b0b0 + MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b0b0 + MX6QDL_PAD_GPIO_16__ENET_REF_CLK 0x4001b0a8 + MX6QDL_PAD_GPIO_6__ENET_IRQ 0x000b1 + >; + }; + + pinctrl_i2c1: i2c1grp { + fsl,pins = < + MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1 + MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1 + >; + }; + + pinctrl_i2c2: i2c2grp { + fsl,pins = < + MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 + MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 + >; + }; + + pinctrl_uart1: uart1grp { + fsl,pins = < + MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 + MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1 + >; + }; + + pinctrl_usdhc2: usdhc2grp { + fsl,pins = < + MX6QDL_PAD_SD2_CMD__SD2_CMD 0x17059 + MX6QDL_PAD_SD2_CLK__SD2_CLK 0x10059 + MX6QDL_PAD_SD2_DAT0__SD2_DATA0 0x17059 + MX6QDL_PAD_SD2_DAT1__SD2_DATA1 0x17059 + MX6QDL_PAD_SD2_DAT2__SD2_DATA2 0x17059 + MX6QDL_PAD_SD2_DAT3__SD2_DATA3 0x17059 + >; + }; + + pinctrl_usdhc3: usdhc3grp { + fsl,pins = < + MX6QDL_PAD_SD3_CMD__SD3_CMD 0x17059 + MX6QDL_PAD_SD3_CLK__SD3_CLK 0x10059 + MX6QDL_PAD_SD3_DAT0__SD3_DATA0 0x17059 + MX6QDL_PAD_SD3_DAT1__SD3_DATA1 0x17059 + MX6QDL_PAD_SD3_DAT2__SD3_DATA2 0x17059 + MX6QDL_PAD_SD3_DAT3__SD3_DATA3 0x17059 + MX6QDL_PAD_SD3_DAT4__SD3_DATA4 0x17059 + MX6QDL_PAD_SD3_DAT5__SD3_DATA5 0x17059 + MX6QDL_PAD_SD3_DAT6__SD3_DATA6 0x17059 + MX6QDL_PAD_SD3_DAT7__SD3_DATA7 0x17059 + MX6QDL_PAD_SD3_RST__SD3_RESET 0x17059 + >; + }; + + pinctrl_weim_cs0: weimcs0grp { + fsl,pins = < + MX6QDL_PAD_EIM_CS0__EIM_CS0_B 0xb0b1 + >; + }; + + pinctrl_weim_nor: weimnorgrp { + fsl,pins = < + MX6QDL_PAD_EIM_OE__EIM_OE_B 0xb0b1 + MX6QDL_PAD_EIM_RW__EIM_RW 0xb0b1 + MX6QDL_PAD_EIM_WAIT__EIM_WAIT_B 0xb060 + MX6QDL_PAD_EIM_D16__EIM_DATA16 0x1b0b0 + MX6QDL_PAD_EIM_D17__EIM_DATA17 0x1b0b0 + MX6QDL_PAD_EIM_D18__EIM_DATA18 0x1b0b0 + MX6QDL_PAD_EIM_D19__EIM_DATA19 0x1b0b0 + MX6QDL_PAD_EIM_D20__EIM_DATA20 0x1b0b0 + MX6QDL_PAD_EIM_D21__EIM_DATA21 0x1b0b0 + MX6QDL_PAD_EIM_D22__EIM_DATA22 0x1b0b0 + MX6QDL_PAD_EIM_D23__EIM_DATA23 0x1b0b0 + MX6QDL_PAD_EIM_D24__EIM_DATA24 0x1b0b0 + MX6QDL_PAD_EIM_D25__EIM_DATA25 0x1b0b0 + MX6QDL_PAD_EIM_D26__EIM_DATA26 0x1b0b0 + MX6QDL_PAD_EIM_D27__EIM_DATA27 0x1b0b0 + MX6QDL_PAD_EIM_D28__EIM_DATA28 0x1b0b0 + MX6QDL_PAD_EIM_D29__EIM_DATA29 0x1b0b0 + MX6QDL_PAD_EIM_D30__EIM_DATA30 0x1b0b0 + MX6QDL_PAD_EIM_D31__EIM_DATA31 0x1b0b0 + MX6QDL_PAD_EIM_A23__EIM_ADDR23 0xb0b1 + MX6QDL_PAD_EIM_A22__EIM_ADDR22 0xb0b1 + MX6QDL_PAD_EIM_A21__EIM_ADDR21 0xb0b1 + MX6QDL_PAD_EIM_A20__EIM_ADDR20 0xb0b1 + MX6QDL_PAD_EIM_A19__EIM_ADDR19 0xb0b1 + MX6QDL_PAD_EIM_A18__EIM_ADDR18 0xb0b1 + MX6QDL_PAD_EIM_A17__EIM_ADDR17 0xb0b1 + MX6QDL_PAD_EIM_A16__EIM_ADDR16 0xb0b1 + MX6QDL_PAD_EIM_DA15__EIM_AD15 0xb0b1 + MX6QDL_PAD_EIM_DA14__EIM_AD14 0xb0b1 + MX6QDL_PAD_EIM_DA13__EIM_AD13 0xb0b1 + MX6QDL_PAD_EIM_DA12__EIM_AD12 0xb0b1 + MX6QDL_PAD_EIM_DA11__EIM_AD11 0xb0b1 + MX6QDL_PAD_EIM_DA10__EIM_AD10 0xb0b1 + MX6QDL_PAD_EIM_DA9__EIM_AD09 0xb0b1 + MX6QDL_PAD_EIM_DA8__EIM_AD08 0xb0b1 + MX6QDL_PAD_EIM_DA7__EIM_AD07 0xb0b1 + MX6QDL_PAD_EIM_DA6__EIM_AD06 0xb0b1 + MX6QDL_PAD_EIM_DA5__EIM_AD05 0xb0b1 + MX6QDL_PAD_EIM_DA4__EIM_AD04 0xb0b1 + MX6QDL_PAD_EIM_DA3__EIM_AD03 0xb0b1 + MX6QDL_PAD_EIM_DA2__EIM_AD02 0xb0b1 + MX6QDL_PAD_EIM_DA1__EIM_AD01 0xb0b1 + MX6QDL_PAD_EIM_DA0__EIM_AD00 0xb0b1 + >; + }; + + pinctrl_ecspi3: ecspi3grp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT2__ECSPI3_MISO 0x100b1 + MX6QDL_PAD_DISP0_DAT1__ECSPI3_MOSI 0x100b1 + MX6QDL_PAD_DISP0_DAT0__ECSPI3_SCLK 0x100b1 + >; + }; + + pinctrl_ecspi3_cs: ecspi3cs { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT3__GPIO4_IO24 0x80000000 + >; + }; + pinctrl_ecspi3_flwp: ecspi3flwp { + fsl,pins = < + MX6QDL_PAD_DISP0_DAT6__GPIO4_IO27 0x80000000 + >; + }; + + pinctrl_uart4: uart4grp { + fsl,pins = < + MX6QDL_PAD_KEY_COL0__UART4_TX_DATA 0x1b0b1 + MX6QDL_PAD_KEY_ROW0__UART4_RX_DATA 0x1b0b1 + MX6QDL_PAD_CSI0_DAT16__UART4_RTS_B 0x1b0b1 + MX6QDL_PAD_CSI0_DAT17__UART4_CTS_B 0x1b0b1 + >; + }; + + pinctrl_display: dispgrp { + fsl,pins = < + /* BLEN_OUT */ + MX6QDL_PAD_GPIO_2__GPIO1_IO02 0x1b0b0 + /* LVDS_PPEN_OUT */ + MX6QDL_PAD_SD1_DAT2__GPIO1_IO19 0x1b0b0 + >; + }; + + pinctrl_pwm2: pwm2grp { + fsl,pins = < + MX6QDL_PAD_GPIO_1__PWM2_OUT 0x1b0b1 + >; + }; + }; +}; + +&fec { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enet>; + phy-mode = "rgmii"; + phy-reset-gpios = <&gpio1 27 0>; + interrupts-extended = <&gpio1 6 IRQ_TYPE_LEVEL_HIGH>, + <&intc 0 119 IRQ_TYPE_LEVEL_HIGH>; + status = "okay"; +}; + +&uart1 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1>; + status = "okay"; +}; + +&usdhc2 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc2>; + cd-gpios = <&gpio1 4 GPIO_ACTIVE_LOW>; + status = "okay"; +}; + +&usdhc3 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usdhc3>; + bus-width = <8>; + status = "okay"; +}; + +&weim { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_weim_nor &pinctrl_weim_cs0>; + #address-cells = <2>; + #size-cells = <1>; + ranges = <0 0 0x08000000 0x08000000>; + status = "okay"; + + nor@0,0 { + compatible = "cfi-flash"; + reg = <0 0 0x02000000>; + #address-cells = <1>; + #size-cells = <1>; + bank-width = <2>; + use-advanced-sector-protection; + fsl,weim-cs-timing = <0x00620081 0x00000001 0x1c022000 + 0x0000c000 0x1404a38e 0x00000000>; + }; +}; + +&ecspi3 { + fsl,spi-num-chipselects = <1>; + cs-gpios = <&gpio4 24 0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ecspi3 &pinctrl_ecspi3_cs &pinctrl_ecspi3_flwp>; + status = "okay"; + + flash: s25sl032p@0 { + #address-cells = <1>; + #size-cells = <1>; + compatible = "spansion,s25sl032p", "jedec,spi-nor"; + spi-max-frequency = <40000000>; + reg = <0>; + }; +}; + +&uart4 { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart4>; + status = "okay"; +}; + +&ldb { + status = "okay"; + + lvds0: lvds-channel@0 { + fsl,data-mapping = "spwg"; + fsl,data-width = <24>; + status = "okay"; + + port@4 { + reg = <4>; + + lvds0_out: endpoint { + remote-endpoint = <&panel_in_lvds0>; + }; + }; + }; +}; + +&pwm2 { + #pwm-cells = <3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm2>; + status = "okay"; +};
Signed-off-by: Lukasz Majewski <l.majewski@majess.pl> --- MCCMON6 board support depends on following patches: 1. "video: backlight: pwm_bl: Initialize fb_bl_on[x] and use_count during pwm_backlight_probe()" http://patchwork.ozlabs.org/patch/708844/ 2. "pwm: imx: Provide atomic operation for IMX PWM driver" http://patchwork.ozlabs.org/patch/708847/ - http://patchwork.ozlabs.org/patch/708843/ --- arch/arm/boot/dts/Makefile | 1 + arch/arm/boot/dts/imx6q-mccmon6.dts | 469 ++++++++++++++++++++++++++++++++++++ 2 files changed, 470 insertions(+) create mode 100644 arch/arm/boot/dts/imx6q-mccmon6.dts