On Wed, Nov 29, 2017 at 11:20:55AM +0100, Neil Armstrong wrote: > This patch adds support for the Variscite DART-MX6 SoM with : > - i.MX6 Quad or Dual Lite SoC > - 1Gb/2Gb LPDDR2 > - 4-64 GB eMMC > - Camera Interface > - HDMI+CEC interface > - LVDS / DSI / Parallel RGB interfaces > - Ethernet RGMII interface > - On-SoM Wi-Fi/Bluetooth with WiLink wl1835 SDIO Module > - SD/MMC/SDIO interface > - USB Host + USB OTG interface > - I2C interfaces > - SPI interfaces > - PCI-Express 2.0 interface > - on-SoM Audio Codec with HP/Line-In interfaces + DMIC interface > - Digital Audio interface > - S/PDIF interface > > Product website : > http://www.variscite.com/products/system-on-module-som/cortex-a9/dart-mx6-cpu-freescale-imx6 > > Support is handled with a SoM-centric dtsi exporting the default interfaces > along the default pinmuxing to be enabled by the board dts file. > > Only board-independent devices like WiFi, eMMC or PMIC are enabled in the > dtsi. > > Reviewed-by: Fabio Estevam <[email protected]> > Signed-off-by: Neil Armstrong <[email protected]>
Looks pretty good. Only a couple of minor comments. > --- > arch/arm/boot/dts/imx6qdl-var-dart.dtsi | 504 > ++++++++++++++++++++++++++++++++ > 1 file changed, 504 insertions(+) > create mode 100644 arch/arm/boot/dts/imx6qdl-var-dart.dtsi > > diff --git a/arch/arm/boot/dts/imx6qdl-var-dart.dtsi > b/arch/arm/boot/dts/imx6qdl-var-dart.dtsi > new file mode 100644 > index 0000000..fd2520b > --- /dev/null > +++ b/arch/arm/boot/dts/imx6qdl-var-dart.dtsi > @@ -0,0 +1,504 @@ > +/* > + * Support for Variscite DART-MX6 Module > + * > + * Copyright 2017 BayLibre, SAS > + * Author: Neil Armstrong <[email protected]> > + * > + * SPDX-License-Identifier: (GPL-2.0+ OR MIT) > + */ > + > +#include <dt-bindings/gpio/gpio.h> > +#include <dt-bindings/sound/fsl-imx-audmux.h> > + > +/ { > + memory { > + reg = <0x10000000 0x40000000>; > + }; > + > + reg_3p3v: regulator-3p3v { > + compatible = "regulator-fixed"; > + regulator-name = "3P3V"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + regulator-always-on; > + }; > + > + reg_wl18xx_vmmc: regulator-wl18xx { > + compatible = "regulator-fixed"; > + regulator-name = "vwl1807"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + gpio = <&gpio7 8 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + startup-delay-us = <70000>; > + }; > +}; > + > +&audmux { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_audmux>; > + status = "okay"; > + > + ssi2 { > + fsl,audmux-port = <1>; > + fsl,port-config = < > + (IMX_AUDMUX_V2_PTCR_SYN | > + IMX_AUDMUX_V2_PTCR_TFSDIR | > + IMX_AUDMUX_V2_PTCR_TFSEL(2) | > + IMX_AUDMUX_V2_PTCR_TCLKDIR | > + IMX_AUDMUX_V2_PTCR_TCSEL(2)) > + IMX_AUDMUX_V2_PDCR_RXDSEL(2) > + >; > + }; > + > + aud3 { > + fsl,audmux-port = <2>; > + fsl,port-config = < > + IMX_AUDMUX_V2_PTCR_SYN > + IMX_AUDMUX_V2_PDCR_RXDSEL(1) > + >; > + }; > +}; > + > +&can1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_flexcan1>; > + status = "disabled"; > +}; > + > +&can2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_flexcan2>; > + status = "disabled"; > +}; > + > +&ecspi1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_ecspi1>; > + status = "disabled"; > +}; > + > +&fec { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_enet>; > + phy-mode = "rgmii"; > + status = "disabled"; > +}; > + > +&hdmi { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_hdmicec>; > + ddc-i2c-bus = <&i2c1>; > + status = "disabled"; > +}; > + > +&i2c1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c1>; > + status = "disabled"; > +}; > + > +&i2c2 { > + clock-frequency = <100000>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c2>; > + status = "okay"; > + > + pmic@08 { Please drop the leading zero in unit-address. > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_pmic>; > + 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 = <3300000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw3a_reg: sw3a { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3950000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw3b_reg: sw3b { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3950000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + sw4_reg: sw4 { > + regulator-min-microvolt = <800000>; > + regulator-max-microvolt = <3950000>; > + }; > + > + snvs_reg: vsnvs { > + regulator-min-microvolt = <1200000>; > + regulator-max-microvolt = <3000000>; > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vref_reg: vrefddr { > + regulator-boot-on; > + regulator-always-on; > + }; > + > + vgen6_reg: vgen6 { > + regulator-min-microvolt = <2800000>; > + regulator-max-microvolt = <2800000>; > + regulator-always-on; > + regulator-boot-on; > + }; > + }; > + }; > + > + codec: codec@1b { Label should be something specific, maybe tlv320aic3106? > + compatible = "ti,tlv320aic3106"; > + reg = <0x1b>; > + #sound-dai-cells = <0>; > + DRVDD-supply = <®_3p3v>; > + AVDD-supply = <®_3p3v>; > + IOVDD-supply = <®_3p3v>; > + DVDD-supply = <®_3p3v>; > + ai3x-ocmv = <0>; > + gpio-reset = <&gpio5 5 GPIO_ACTIVE_LOW>; > + }; > +}; > + > +&i2c3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c3>; > + status = "disabled"; > +}; > + > +&iomuxc { > + pinctrl_audmux: audmux { > + fsl,pins = < > + MX6QDL_PAD_CSI0_DAT7__AUD3_RXD 0x130b0 > + MX6QDL_PAD_CSI0_DAT4__AUD3_TXC 0x130b0 > + MX6QDL_PAD_CSI0_DAT5__AUD3_TXD 0x110b0 > + MX6QDL_PAD_CSI0_DAT6__AUD3_TXFS 0x130b0 > + /* Audio Clock */ > + MX6QDL_PAD_GPIO_0__CCM_CLKO1 0x130b0 > + >; > + }; > + > + pinctrl_bt: bt { > + fsl,pins = < > + /* Bluetooth enable */ > + MX6QDL_PAD_SD3_DAT6__GPIO6_IO18 0x1b0b1 > + /* Bluetooth Slow Clock */ > + MX6QDL_PAD_ENET_RXD0__OSC32K_32K_OUT 0x000b0 > + >; > + }; > + > + pinctrl_ecspi1: ecspi1grp { > + fsl,pins = < > + MX6QDL_PAD_KEY_COL1__ECSPI1_MISO 0x100b1 > + MX6QDL_PAD_KEY_ROW0__ECSPI1_MOSI 0x100b1 > + MX6QDL_PAD_KEY_COL0__ECSPI1_SCLK 0x100b1 > + /* SPI1 CS0 */ > + MX6QDL_PAD_KEY_ROW1__GPIO4_IO09 0x1b0b0 > + /* SPI1 CS1 */ > + MX6QDL_PAD_KEY_COL2__GPIO4_IO10 0x1b0b0 > + >; > + }; > + > + pinctrl_enet: enetgrp { > + fsl,pins = < > + MX6QDL_PAD_ENET_MDIO__ENET_MDIO 0x100b0 > + MX6QDL_PAD_ENET_MDC__ENET_MDC 0x100b0 > + MX6QDL_PAD_RGMII_TXC__RGMII_TXC 0x10030 > + MX6QDL_PAD_RGMII_TD0__RGMII_TD0 0x10030 > + MX6QDL_PAD_RGMII_TD1__RGMII_TD1 0x10030 > + MX6QDL_PAD_RGMII_TD2__RGMII_TD2 0x10030 > + MX6QDL_PAD_RGMII_TD3__RGMII_TD3 0x10030 > + MX6QDL_PAD_RGMII_TX_CTL__RGMII_TX_CTL 0x10030 > + MX6QDL_PAD_ENET_REF_CLK__ENET_TX_CLK 0x100b0 > + MX6QDL_PAD_RGMII_RXC__RGMII_RXC 0x1b030 > + MX6QDL_PAD_RGMII_RD0__RGMII_RD0 0x1b030 > + MX6QDL_PAD_RGMII_RD1__RGMII_RD1 0x1b030 > + MX6QDL_PAD_RGMII_RD2__RGMII_RD2 0x1b030 > + MX6QDL_PAD_RGMII_RD3__RGMII_RD3 0x1b030 > + MX6QDL_PAD_RGMII_RX_CTL__RGMII_RX_CTL 0x1b030 > + >; > + }; > + > + pinctrl_flexcan1: flexcan1grp { > + fsl,pins = < > + MX6QDL_PAD_GPIO_7__FLEXCAN1_TX 0x1b0b0 > + MX6QDL_PAD_GPIO_8__FLEXCAN1_RX 0x1b0b0 > + >; > + }; > + > + pinctrl_flexcan2: flexcan2grp { > + fsl,pins = < > + MX6QDL_PAD_KEY_COL4__FLEXCAN2_TX 0x1b0b0 > + MX6QDL_PAD_KEY_ROW4__FLEXCAN2_RX 0x1b0b0 > + >; > + }; > + > + pinctrl_hdmicec: hdmicecgrp { > + fsl,pins = < > + MX6QDL_PAD_KEY_ROW2__HDMI_TX_CEC_LINE 0x1f8b0 > + >; > + }; > + > + pinctrl_i2c1: i2c1grp { > + fsl,pins = < > + MX6QDL_PAD_CSI0_DAT8__I2C1_SDA 0x4001b8b1 > + MX6QDL_PAD_CSI0_DAT9__I2C1_SCL 0x4001b8b1 > + >; > + }; > + > + pinctrl_i2c2: i2c2grp { > + fsl,pins = < > + MX6QDL_PAD_KEY_COL3__I2C2_SCL 0x4001b8b1 > + MX6QDL_PAD_KEY_ROW3__I2C2_SDA 0x4001b8b1 > + >; > + }; > + > + pinctrl_i2c3: i2c3grp { > + fsl,pins = < > + MX6QDL_PAD_GPIO_5__I2C3_SCL 0x4001b8b1 > + MX6QDL_PAD_GPIO_16__I2C3_SDA 0x4001b8b1 > + >; > + }; > + > + pinctrl_pmic: pmicgrp { > + fsl,pins = < > + /* PMIC INT */ > + MX6QDL_PAD_GPIO_17__GPIO7_IO12 0x1b0b1 > + >; > + }; > + > + pinctrl_pwm2: pwm2grp { > + fsl,pins = < > + MX6QDL_PAD_DISP0_DAT9__PWM2_OUT 0x1b0b1 > + >; > + }; > + > + pinctrl_uart1: uart1grp { > + fsl,pins = < > + MX6QDL_PAD_CSI0_DAT11__UART1_RX_DATA 0x1b0b1 > + MX6QDL_PAD_CSI0_DAT10__UART1_TX_DATA 0x1b0b1 > + >; > + }; > + > + pinctrl_uart2: uart2grp { > + fsl,pins = < > + MX6QDL_PAD_SD3_DAT4__UART2_RX_DATA 0x1b0b1 > + MX6QDL_PAD_SD3_DAT5__UART2_TX_DATA 0x1b0b1 > + MX6QDL_PAD_SD4_DAT6__UART2_CTS_B 0x1b0b1 > + MX6QDL_PAD_SD4_DAT5__UART2_RTS_B 0x1b0b1 > + >; > + }; > + > + pinctrl_uart3: uart3grp { > + fsl,pins = < > + MX6QDL_PAD_EIM_D25__UART3_RX_DATA 0x1b0b1 > + MX6QDL_PAD_EIM_D24__UART3_TX_DATA 0x1b0b1 > + MX6QDL_PAD_EIM_D23__UART3_CTS_B 0x1b0b1 > + MX6QDL_PAD_EIM_EB3__UART3_RTS_B 0x1b0b1 > + >; > + }; > + > + pinctrl_usbotg: usbotggrp { > + fsl,pins = < > + MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x17059 > + >; > + }; > + > + pinctrl_usdhc1: usdhc1grp { > + fsl,pins = < > + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17059 > + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10059 > + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17059 > + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17059 > + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17059 > + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17059 > + /* WL_EN */ > + MX6QDL_PAD_SD3_DAT7__GPIO6_IO17 0x17071 > + /* WL_IRQ */ > + MX6QDL_PAD_SD3_RST__GPIO7_IO08 0x17071 > + >; > + }; > + > + pinctrl_usdhc1_100mhz: usdhc1grp100mhz { > + fsl,pins = < > + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170B9 > + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100B9 > + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170B9 > + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170B9 > + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170B9 > + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170B9 > + >; > + }; > + > + pinctrl_usdhc1_200mhz: usdhc1grp200mhz { > + fsl,pins = < > + MX6QDL_PAD_SD1_CMD__SD1_CMD 0x170F9 > + MX6QDL_PAD_SD1_CLK__SD1_CLK 0x100F9 > + MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x170F9 > + MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x170F9 > + MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x170F9 > + MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x170F9 > + >; > + }; > + > + 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 > + >; > + }; > +}; > + > +&pcie { > + fsl,tx-swing-full = <103>; > + fsl,tx-swing-low = <103>; > + reset-gpio = <&gpio4 11 GPIO_ACTIVE_LOW>; > + status = "disabled"; > +}; > + > +&pwm2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_pwm2>; > + status = "disabled"; > +}; > + > +®_arm { > + vin-supply = <&sw1a_reg>; > +}; > + > +®_pu { > + vin-supply = <&sw1c_reg>; > +}; > + > +®_soc { > + vin-supply = <&sw1c_reg>; > +}; > + > +&uart1 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart1>; > + status = "disabled"; > +}; > + > +&uart2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart2 &pinctrl_bt>; > + uart-has-rtscts; > + status = "okay"; > + > + bluetooth { > + compatible = "ti,wl1835-st"; > + enable-gpios = <&gpio6 18 GPIO_ACTIVE_HIGH>; > + }; > +}; > + > +&uart3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart3>; > + uart-has-rtscts; > + status = "disabled"; > +}; > + > +&usbh1 { > + status = "disabled"; > +}; > + > +&usbotg { > + vbus-supply = <®_usb_otg_vbus>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usbotg>; > + disable-over-current; > + status = "disabled"; > +}; > + > +&usdhc1 { > + pinctrl-names = "default", "state_100mhz", "state_200mhz"; > + pinctrl-0 = <&pinctrl_usdhc1>; > + pinctrl-1 = <&pinctrl_usdhc1_100mhz>; > + pinctrl-2 = <&pinctrl_usdhc1_200mhz>; > + bus-width = <4>; > + vmmc-supply = <®_wl18xx_vmmc>; > + non-removable; > + wakeup-source; > + keep-power-in-suspend; > + cap-power-off-card; > + #address-cells = <1>; > + #size-cells = <0>; > + status = "okay"; > + > + wlcore: wlcore@2 { > + compatible = "ti,wl1835"; > + reg = <2>; > + interrupt-parent = <&gpio6>; > + interrupts = <17 IRQ_TYPE_LEVEL_HIGH>; > + ref-clock-frequency = <38400000>; > + }; > +}; > + > +&usdhc2 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usdhc2>; > + no-1-8-v; > + keep-power-in-suspend; > + wakeup-source; > + status = "disabled"; > +}; > + > +&usdhc3 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_usdhc3>; > + non-removable; > + keep-power-in-suspend; > + wakeup-source; > + status = "okay"; > +}; > + > +&ssi2 { > + status = "okay"; > +}; > + > +&snvs_poweroff { > + status = "okay"; > +}; The last two nodes break the alphabetical order. Shawn > -- > 2.7.4 >
