From 5051bff33102bc8a6497c11671297f1698a5a56e Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Wed, 16 Nov 2016 11:40:45 -0800 Subject: ARM: dts: imx: ventana: add LTC3676 PMIC support All of the Gateworks Ventana boards based on the IMX6 SoC except for the GW54xx use the LTC3676 PMIC. Add a device-tree node with interrupt support for this PMIC. Additionally remove the simple-bus notation in the regulator nodes and any fixed regulators that are provided by the PMIC. Signed-off-by: Tim Harvey Signed-off-by: Shawn Guo --- arch/arm/boot/dts/imx6qdl-gw52xx.dtsi | 165 ++++++++++++++++++++++++---------- 1 file changed, 117 insertions(+), 48 deletions(-) (limited to 'arch/arm/boot/dts/imx6qdl-gw52xx.dtsi') diff --git a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi index 54aca3a07ce4..3bf7ae5dbabb 100644 --- a/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi +++ b/arch/arm/boot/dts/imx6qdl-gw52xx.dtsi @@ -71,57 +71,37 @@ status = "okay"; }; - regulators { - compatible = "simple-bus"; - #address-cells = <1>; - #size-cells = <0>; - - reg_1p0v: regulator@0 { - compatible = "regulator-fixed"; - reg = <0>; - regulator-name = "1P0V"; - regulator-min-microvolt = <1000000>; - regulator-max-microvolt = <1000000>; - regulator-always-on; - }; - - /* remove this fixed regulator once ltc3676__sw2 driver available */ - reg_1p8v: regulator@1 { - compatible = "regulator-fixed"; - reg = <1>; - regulator-name = "1P8V"; - regulator-min-microvolt = <1800000>; - regulator-max-microvolt = <1800000>; - regulator-always-on; - }; + reg_1p0v: regulator-1p0v { + compatible = "regulator-fixed"; + regulator-name = "1P0V"; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; + regulator-always-on; + }; - reg_3p3v: regulator@2 { - compatible = "regulator-fixed"; - reg = <2>; - regulator-name = "3P3V"; - regulator-min-microvolt = <3300000>; - regulator-max-microvolt = <3300000>; - regulator-always-on; - }; + reg_3p3v: regulator-3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + regulator-always-on; + }; - reg_5p0v: regulator@3 { - compatible = "regulator-fixed"; - reg = <3>; - regulator-name = "5P0V"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - regulator-always-on; - }; + reg_5p0v: regulator-5p0v { + compatible = "regulator-fixed"; + regulator-name = "5P0V"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + regulator-always-on; + }; - reg_usb_otg_vbus: regulator@4 { - compatible = "regulator-fixed"; - reg = <4>; - regulator-name = "usb_otg_vbus"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; - enable-active-high; - }; + reg_usb_otg_vbus: regulator-usb-otg-vbus { + compatible = "regulator-fixed"; + regulator-name = "usb_otg_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; + enable-active-high; }; sound { @@ -233,6 +213,89 @@ pinctrl-names = "default"; pinctrl-0 = <&pinctrl_i2c2>; status = "okay"; + + ltc3676: pmic@3c { + compatible = "lltc,ltc3676"; + reg = <0x3c>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pmic>; + interrupt-parent = <&gpio1>; + interrupts = <8 IRQ_TYPE_EDGE_FALLING>; + + regulators { + /* VDD_SOC (1+R1/R2 = 1.635) */ + reg_vdd_soc: sw1 { + regulator-name = "vddsoc"; + regulator-min-microvolt = <674400>; + regulator-max-microvolt = <1308000>; + lltc,fb-voltage-divider = <127000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_1P8 (1+R1/R2 = 2.505): GPS/VideoIn/ENET-PHY */ + reg_1p8v: sw2 { + regulator-name = "vdd1p8"; + regulator-min-microvolt = <1033310>; + regulator-max-microvolt = <2004000>; + lltc,fb-voltage-divider = <301000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_ARM (1+R1/R2 = 1.635) */ + reg_vdd_arm: sw3 { + regulator-name = "vddarm"; + regulator-min-microvolt = <674400>; + regulator-max-microvolt = <1308000>; + lltc,fb-voltage-divider = <127000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_DDR (1+R1/R2 = 2.105) */ + reg_vdd_ddr: sw4 { + regulator-name = "vddddr"; + regulator-min-microvolt = <868310>; + regulator-max-microvolt = <1684000>; + lltc,fb-voltage-divider = <221000 200000>; + regulator-ramp-delay = <7000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_2P5 (1+R1/R2 = 3.435): PCIe/ENET-PHY */ + reg_2p5v: ldo2 { + regulator-name = "vdd2p5"; + regulator-min-microvolt = <2490375>; + regulator-max-microvolt = <2490375>; + lltc,fb-voltage-divider = <487000 200000>; + regulator-boot-on; + regulator-always-on; + }; + + /* VDD_AUD_1P8: Audio codec */ + reg_aud_1p8v: ldo3 { + regulator-name = "vdd1p8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-boot-on; + }; + + /* VDD_HIGH (1+R1/R2 = 4.17) */ + reg_3p0v: ldo4 { + regulator-name = "vdd3p0"; + regulator-min-microvolt = <3023250>; + regulator-max-microvolt = <3023250>; + lltc,fb-voltage-divider = <634000 200000>; + regulator-boot-on; + regulator-always-on; + }; + }; + }; }; &i2c3 { @@ -467,6 +530,12 @@ >; }; + pinctrl_pmic: pmicgrp { + fsl,pins = < + MX6QDL_PAD_GPIO_8__GPIO1_IO08 0x0001b0b0 /* PMIC_IRQ# */ + >; + }; + pinctrl_pps: ppsgrp { fsl,pins = < MX6QDL_PAD_ENET_RXD1__GPIO1_IO26 0x1b0b1 -- cgit v1.2.3