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November 22, 2023 19:44
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SPI
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| // SPDX-License-Identifier: GPL-2.0 OR X11 | |
| /* | |
| * Copyright (C) 2016 Amarula Solutions | |
| */ | |
| /dts-v1/; | |
| #include "imx6dl.dtsi" | |
| #include <dt-bindings/gpio/gpio.h> | |
| / { | |
| model = "LTTS i.MX6DL/SOLO Dev. KIT"; | |
| compatible = "ltts,imx6-icore", "fsl,imx6dl"; | |
| chosen { | |
| stdout-path = &uart2; | |
| }; | |
| clk25m: clock-25m { | |
| compatible = "fixed-clock"; | |
| #clock-cells = <0>; | |
| clock-frequency = <25000000>; | |
| clock-output-names = "clk25m"; | |
| }; | |
| reg_24v: regulator-24v { | |
| compatible = "regulator-fixed"; | |
| regulator-name = "24V"; | |
| regulator-min-microvolt = <24000000>; | |
| regulator-max-microvolt = <24000000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| }; | |
| /* +3V3_DELAYED */ | |
| reg_3v3: regulator-3v3 { | |
| compatible = "regulator-fixed"; | |
| regulator-name = "3V3"; | |
| regulator-min-microvolt = <3300000>; | |
| regulator-max-microvolt = <3300000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| vin-supply = <®_24v>; | |
| }; | |
| spi { | |
| compatible = "spi-gpio"; | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&pinctrl_ecspi2>; | |
| miso-gpios = <&gpio2 25 1>; | |
| mosi-gpios = <&gpio5 27 1>; | |
| sck-gpios = <&gpio5 26 1>; | |
| cs-gpios = <&gpio2 27 GPIO_ACTIVE_LOW>; | |
| num-chipselects = <1>; | |
| #address-cells = <1>; | |
| #size-cells = <0>; | |
| status = "okay"; | |
| switch@0 { | |
| compatible = "nxp,sja1105q"; | |
| reg = <0>; | |
| spi-max-frequency = <16000000>; | |
| spi-rx-delay-us = <1000>; | |
| spi-tx-delay-us = <1000>; | |
| spi-cpha; | |
| clocks = <&clk25m>; | |
| pinctrl-0 = <&pinctrl_sja1105_rst>; | |
| pinctrl-names = "default"; | |
| reset-gpios = <&gpio6 5 GPIO_ACTIVE_LOW>; | |
| }; | |
| }; | |
| }; | |
| &i2c2 { | |
| clock-frequency = <100000>; | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&pinctrl_i2c2>; | |
| status = "okay"; | |
| pmic: pf0100@8 { | |
| compatible = "fsl,pfuze100"; | |
| reg = <0x08>; | |
| interrupt-parent = <&gpio5>; | |
| interrupts = <17 IRQ_TYPE_LEVEL_LOW>; | |
| regulators { | |
| reg_vddcore: sw1ab { | |
| regulator-min-microvolt = <300000>; | |
| regulator-max-microvolt = <1875000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| regulator-ramp-delay = <6250>; | |
| }; | |
| reg_vddsoc: sw1c { | |
| regulator-min-microvolt = <300000>; | |
| regulator-max-microvolt = <1875000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| regulator-ramp-delay = <6250>; | |
| }; | |
| reg_vddarm: sw2 { | |
| regulator-min-microvolt = <300000>; | |
| regulator-max-microvolt = <1375000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| regulator-ramp-delay = <6250>; | |
| }; | |
| reg_ddr_1v5a: sw3a { | |
| regulator-min-microvolt = <400000>; | |
| regulator-max-microvolt = <1975000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| }; | |
| reg_ddr_1v5b: sw3b { | |
| regulator-min-microvolt = <400000>; | |
| regulator-max-microvolt = <1975000>; | |
| regulator-boot-on; | |
| regulator-always-on; | |
| }; | |
| reg_ddr_vtt: sw4 { | |
| regulator-min-microvolt = <400000>; | |
| regulator-max-microvolt = <3000000>; | |
| regulator-always-on; | |
| }; | |
| reg_5v_600mA: swbst { | |
| regulator-min-microvolt = <5000000>; | |
| regulator-max-microvolt = <5150000>; | |
| }; | |
| reg_snvs_3v: vsnvs { | |
| regulator-min-microvolt = <1500000>; | |
| 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_ecspi2: ecspi2grp { | |
| fsl,pins = < | |
| MX6QDL_PAD_CSI0_DAT8__ECSPI2_SCLK 0x100b1 | |
| MX6QDL_PAD_CSI0_DAT9__ECSPI2_MOSI 0x100b1 | |
| MX6QDL_PAD_EIM_OE__ECSPI2_MISO 0x100b1 | |
| MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x000b1 | |
| >; | |
| }; | |
| */ | |
| pinctrl_ecspi2: ecspi2grp { | |
| fsl,pins = < | |
| MX6QDL_PAD_CSI0_DAT9__GPIO5_IO27 0x1b0b0 /* MISO */ | |
| MX6QDL_PAD_EIM_OE__GPIO2_IO25 0x1b0b0 /* MOSI */ | |
| MX6QDL_PAD_CSI0_DAT8__GPIO5_IO26 0x1b0b0 /* SCLK */ | |
| MX6QDL_PAD_EIM_LBA__GPIO2_IO27 0x1b0b0 | |
| >; | |
| }; | |
| pinctrl_i2c2: i2c2grp { | |
| fsl,pins = < | |
| MX6QDL_PAD_EIM_D16__I2C2_SDA 0x4001b8b1 | |
| MX6QDL_PAD_EIM_EB2__I2C2_SCL 0x4001b8b1 | |
| >; | |
| }; | |
| pinctrl_uart2: uart2grp { | |
| fsl,pins = < | |
| MX6QDL_PAD_GPIO_7__UART2_TX_DATA 0x1b0b1 | |
| MX6QDL_PAD_GPIO_8__UART2_RX_DATA 0x1b0b1 | |
| >; | |
| }; | |
| pinctrl_usdhc1: usdhc1grp { | |
| fsl,pins = < | |
| MX6QDL_PAD_SD1_CMD__SD1_CMD 0x17070 | |
| MX6QDL_PAD_SD1_CLK__SD1_CLK 0x10070 | |
| MX6QDL_PAD_SD1_DAT0__SD1_DATA0 0x17070 | |
| MX6QDL_PAD_SD1_DAT1__SD1_DATA1 0x17070 | |
| MX6QDL_PAD_SD1_DAT2__SD1_DATA2 0x17070 | |
| MX6QDL_PAD_SD1_DAT3__SD1_DATA3 0x17070 | |
| MX6QDL_PAD_EIM_BCLK__GPIO6_IO31 0xb0b1 | |
| >; | |
| }; | |
| pinctrl_sja1105_rst: sja1105rstgrp { | |
| fsl,pins = < | |
| MX6QDL_PAD_CSI0_DAT19__GPIO6_IO05 0x10030 | |
| >; | |
| }; | |
| }; | |
| /* | |
| &ecspi2 { | |
| cs-gpios = <&gpio2 27 GPIO_ACTIVE_LOW>; | |
| pinctrl-0 = <&pinctrl_ecspi2>; | |
| pinctrl-names = "default"; | |
| status = "okay"; | |
| switch@1 { | |
| compatible = "nxp,sja1105q"; | |
| reg = <1>; | |
| spi-max-frequency = <16000000>; | |
| spi-rx-delay-us = <1000>; | |
| spi-tx-delay-us = <1000>; | |
| spi-cpha; | |
| clocks = <&clk25m>; | |
| pinctrl-0 = <&pinctrl_sja1105_rst>; | |
| pinctrl-names = "default"; | |
| reset-gpios = <&gpio6 5 GPIO_ACTIVE_LOW>; | |
| }; | |
| }; | |
| */ | |
| &gpio2 { | |
| status = "okay"; | |
| }; | |
| &gpio5 { | |
| status = "okay"; | |
| }; | |
| &gpio6 { | |
| status = "okay"; | |
| }; | |
| &gpio7 { | |
| status = "okay"; | |
| }; | |
| &uart2 { | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&pinctrl_uart2>; | |
| status = "okay"; | |
| }; | |
| &usdhc1 { | |
| pinctrl-names = "default"; | |
| pinctrl-0 = <&pinctrl_usdhc1>; | |
| cd-gpios = <&gpio7 31 GPIO_ACTIVE_LOW>; | |
| no-1-8-v; | |
| status = "okay"; | |
| }; | |
| &sdma { | |
| status = "okay"; | |
| }; |
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