vendor/device-tree/4.10

1 files changed, 784 insertions, 0 deletions

diff --git a/src/arm/qcom-apq8060-dragonboard.dts b/src/arm/qcom-apq8060-dragonboard.dts
new file mode 100644
index 000000000000..4b8872cc8bf9
--- /dev/null
+++ b/src/arm/qcom-apq8060-dragonboard.dts
@@ -0,0 +1,784 @@
+/*
+ * Copyright 2016 Linaro Ltd
+ *
+ * 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.
+ */
+
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
+#include "qcom-msm8660.dtsi"
+
+/ {
+	model = "Qualcomm APQ8060 Dragonboard";
+	compatible = "qcom,apq8060-dragonboard", "qcom,msm8660";
+
+	aliases {
+		serial0 = &gsbi12_serial;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	regulators {
+		compatible = "simple-bus";
+
+		/* Main power of the board: 3.7V */
+		vph: regulator-fixed {
+			compatible = "regulator-fixed";
+			regulator-min-microvolt = <3700000>;
+			regulator-max-microvolt = <3700000>;
+			regulator-name = "VPH";
+			regulator-type = "voltage";
+			regulator-always-on;
+			regulator-boot-on;
+		};
+
+		/* GPIO controlled ethernet power regulator */
+		dragon_veth: xc622a331mrg {
+			compatible = "regulator-fixed";
+			regulator-name = "XC6222A331MR-G";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+			vin-supply = <&vph>;
+			gpio = <&pm8058_gpio 40 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+			pinctrl-names = "default";
+			pinctrl-0 = <&dragon_veth_gpios>;
+			regulator-always-on;
+		};
+
+		/* VDDvario fixed regulator */
+		dragon_vario: nds332p {
+			compatible = "regulator-fixed";
+			regulator-name = "NDS332P";
+			regulator-min-microvolt = <1800000>;
+			regulator-max-microvolt = <1800000>;
+			vin-supply = <&pm8058_s3>;
+		};
+
+		/* This is a levelshifter for SDCC5 */
+		dragon_vio_txb: txb0104rgyr {
+			compatible = "regulator-fixed";
+			regulator-name = "Dragon SDCC levelshifter";
+			vin-supply = <&pm8058_l14>;
+			regulator-always-on;
+		};
+	};
+
+	soc {
+		pinctrl@800000 {
+			/* eMMMC pins, all 8 data lines connected */
+			dragon_sdcc1_pins: sdcc1 {
+				mux {
+					pins = "gpio159", "gpio160", "gpio161",
+					     "gpio162", "gpio163", "gpio164",
+					     "gpio165", "gpio166", "gpio167",
+					     "gpio168";
+					     function = "sdc1";
+				};
+				clk {
+					pins = "gpio167"; /* SDC5 CLK */
+					drive-strength = <16>;
+					bias-disable;
+				};
+				cmd {
+					pins = "gpio168"; /* SDC5 CMD */
+					drive-strength = <10>;
+					bias-pull-up;
+				};
+				data {
+					/* SDC5 D0 to D7 */
+					pins = "gpio159", "gpio160", "gpio161", "gpio162",
+					     "gpio163", "gpio164", "gpio165", "gpio166";
+					drive-strength = <10>;
+					bias-pull-up;
+				};
+			};
+
+			/*
+			 * The SDCC3 pins are hardcoded (non-muxable) but need some pin
+			 * configuration.
+			 */
+			dragon_sdcc3_pins: sdcc3 {
+				clk {
+					pins = "sdc3_clk";
+					drive-strength = <8>;
+					bias-disable;
+				};
+				cmd {
+					pins = "sdc3_cmd";
+					drive-strength = <8>;
+					bias-pull-up;
+				};
+				data {
+					pins = "sdc3_data";
+					drive-strength = <8>;
+					bias-pull-up;
+				};
+			};
+
+			/* Second SD card slot pins */
+			dragon_sdcc5_pins: sdcc5 {
+				mux {
+					pins = "gpio95", "gpio96", "gpio97",
+					    "gpio98", "gpio99", "gpio100";
+					function = "sdc5";
+				};
+				clk {
+					pins = "gpio97"; /* SDC5 CLK */
+					drive-strength = <16>;
+					bias-disable;
+				};
+				cmd {
+					pins = "gpio95"; /* SDC5 CMD */
+					drive-strength = <10>;
+					bias-pull-up;
+				};
+				data {
+					/* SDC5 D0 to D3 */
+					pins = "gpio96", "gpio98", "gpio99", "gpio100";
+					drive-strength = <10>;
+					bias-pull-up;
+				};
+			};
+
+			dragon_gsbi12_i2c_pins: gsbi12_i2c {
+				mux {
+					pins = "gpio115", "gpio116";
+					function = "gsbi12";
+				};
+				pinconf {
+					pins = "gpio115", "gpio116";
+					drive-strength = <16>;
+					/* These have external pull-up 4.7kOhm to 1.8V */
+					bias-disable;
+				};
+			};
+
+			/* Primary serial port uart 0 pins */
+			dragon_gsbi12_serial_pins: gsbi12_serial {
+				mux {
+					pins = "gpio117", "gpio118";
+					function = "gsbi12";
+				};
+				tx {
+					pins = "gpio117";
+					drive-strength = <8>;
+					bias-disable;
+				};
+				rx {
+					pins = "gpio118";
+					drive-strength = <2>;
+					bias-pull-up;
+				};
+			};
+
+			dragon_ebi2_pins: ebi2 {
+				/*
+				 * Pins used by EBI2 on the Dragonboard, actually only
+				 * CS2 is used by a real peripheral. CS0 is just
+				 * routed to a test point.
+				 */
+				mux0 {
+					pins =
+					    /* "gpio39", CS1A_N this is not good to mux */
+					    "gpio40", /* CS2A_N */
+					    "gpio134"; /* CS0_N testpoint TP29 */
+					function = "ebi2cs";
+				};
+				mux1 {
+					pins =
+					    /* EBI2_ADDR_7 downto EBI2_ADDR_0 address bus */
+					    "gpio123", "gpio124", "gpio125", "gpio126",
+					    "gpio127", "gpio128", "gpio129", "gpio130",
+					    /* EBI2_DATA_15 downto EBI2_DATA_0 data bus */
+					    "gpio135", "gpio136", "gpio137", "gpio138",
+					    "gpio139", "gpio140", "gpio141", "gpio142",
+					    "gpio143", "gpio144", "gpio145", "gpio146",
+					    "gpio147", "gpio148", "gpio149", "gpio150",
+					    "gpio151", /* EBI2_OE_N */
+					    "gpio153", /* EBI2_ADV */
+					    "gpio157"; /* EBI2_WE_N */
+					function = "ebi2";
+				};
+			};
+		};
+
+		qcom,ssbi@500000 {
+			pmic@0 {
+				keypad@148 {
+					linux,keymap = <
+					MATRIX_KEY(0, 0, KEY_MENU)
+					MATRIX_KEY(0, 2, KEY_1)
+					MATRIX_KEY(0, 3, KEY_4)
+					MATRIX_KEY(0, 4, KEY_7)
+					MATRIX_KEY(1, 0, KEY_UP)
+					MATRIX_KEY(1, 1, KEY_LEFT)
+					MATRIX_KEY(1, 2, KEY_DOWN)
+					MATRIX_KEY(1, 3, KEY_5)
+					MATRIX_KEY(1, 3, KEY_8)
+					MATRIX_KEY(2, 0, KEY_HOME)
+					MATRIX_KEY(2, 1, KEY_REPLY)
+					MATRIX_KEY(2, 2, KEY_2)
+					MATRIX_KEY(2, 3, KEY_6)
+					MATRIX_KEY(3, 0, KEY_VOLUMEUP)
+					MATRIX_KEY(3, 1, KEY_RIGHT)
+					MATRIX_KEY(3, 2, KEY_3)
+					MATRIX_KEY(3, 3, KEY_9)
+					MATRIX_KEY(3, 4, KEY_SWITCHVIDEOMODE)
+					MATRIX_KEY(4, 0, KEY_VOLUMEDOWN)
+					MATRIX_KEY(4, 1, KEY_BACK)
+					MATRIX_KEY(4, 2, KEY_CAMERA)
+					MATRIX_KEY(4, 3, KEY_KBDILLUMTOGGLE)
+					>;
+					keypad,num-rows = <6>;
+					keypad,num-columns = <5>;
+				};
+
+				gpio@150 {
+					dragon_ethernet_gpios: ethernet-gpios {
+						pinconf {
+							pins = "gpio7";
+							function = "normal";
+							input-enable;
+							bias-disable;
+							power-source = <PM8058_GPIO_S3>;
+						};
+					};
+					dragon_bmp085_gpios: bmp085-gpios {
+						pinconf {
+							pins = "gpio16";
+							function = "normal";
+							input-enable;
+							bias-disable;
+							power-source = <PM8058_GPIO_S3>;
+						};
+					};
+					dragon_sdcc3_gpios: sdcc3-gpios {
+						pinconf {
+							pins = "gpio22";
+							function = "normal";
+							input-enable;
+							bias-disable;
+							power-source = <PM8058_GPIO_S3>;
+						};
+					};
+					dragon_sdcc5_gpios: sdcc5-gpios {
+						pinconf {
+							pins = "gpio26";
+							function = "normal";
+							input-enable;
+							bias-pull-up;
+							qcom,pull-up-strength = <PMIC_GPIO_PULL_UP_30>;
+							power-source = <PM8058_GPIO_S3>;
+						};
+					};
+					dragon_ak8975_gpios: ak8975-gpios {
+						pinconf {
+							pins = "gpio33";
+							function = "normal";
+							input-enable;
+							bias-disable;
+							power-source = <PM8058_GPIO_S3>;
+						};
+					};
+					dragon_veth_gpios: veth-gpios {
+						pinconf {
+							pins = "gpio40";
+							function = "normal";
+							bias-disable;
+							drive-push-pull;
+						};
+					};
+				};
+
+				led@48 {
+					/*
+					 * The keypad LED @0x48 is routed to
+					 * the sensor board where it is
+					 * connected to an infrared LED
+					 * SFH4650 (60mW, @850nm) next to the
+					 * ambient light and proximity sensor
+					 * Capella Microsystems CM3605.
+					 */
+					compatible = "qcom,pm8058-keypad-led";
+					reg = <0x48>;
+					label = "pm8058:infrared:proximitysensor";
+					default-state = "off";
+				};
+				led@131 {
+					compatible = "qcom,pm8058-led";
+					reg = <0x131>;
+					label = "pm8058:red";
+					default-state = "off";
+				};
+				led@132 {
+					/*
+					 * This is actually green too on my
+					 * board, but documented as yellow.
+					 */
+					compatible = "qcom,pm8058-led";
+					reg = <0x132>;
+					label = "pm8058:yellow";
+					default-state = "off";
+					linux,default-trigger = "mmc0";
+				};
+				led@133 {
+					compatible = "qcom,pm8058-led";
+					reg = <0x133>;
+					label = "pm8058:green";
+					default-state = "on";
+					linux,default-trigger = "heartbeat";
+				};
+			};
+		};
+
+		gsbi@19c00000 {
+			status = "ok";
+			qcom,mode = <GSBI_PROT_I2C_UART>;
+
+			serial@19c40000 {
+				status = "ok";
+				pinctrl-names = "default";
+				pinctrl-0 = <&dragon_gsbi12_serial_pins>;
+			};
+
+			i2c@19c80000 {
+				status = "ok";
+				pinctrl-names = "default";
+				pinctrl-0 = <&dragon_gsbi12_i2c_pins>;
+
+				ak8975@0c {
+					compatible = "asahi-kasei,ak8975";
+					reg = <0x0c>;
+					/* GPIO33 has interrupt 224 on the PM8058 */
+					interrupt-parent = <&pm8058_gpio>;
+					interrupts = <224 IRQ_TYPE_EDGE_RISING>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&dragon_ak8975_gpios>;
+					vid-supply = <&pm8058_lvs0>; // 1.8V
+					vdd-supply = <&pm8058_l14>; // 2.85V
+				};
+				bmp085@77 {
+					compatible = "bosch,bmp085";
+					reg = <0x77>;
+					/* GPIO16 has interrupt 207 on the PM8058 */
+					interrupt-parent = <&pm8058_gpio>;
+					interrupts = <207 IRQ_TYPE_EDGE_RISING>;
+					reset-gpios = <&tlmm 86 GPIO_ACTIVE_LOW>;
+					pinctrl-names = "default";
+					pinctrl-0 = <&dragon_bmp085_gpios>;
+					vddd-supply = <&pm8058_lvs0>; // 1.8V
+					vdda-supply = <&pm8058_l14>; // 2.85V
+				};
+			};
+		};
+
+		external-bus@1a100000 {
+			/* The EBI2 will instantiate first, then populate its children */
+			status = "ok";
+			pinctrl-names = "default";
+			pinctrl-0 = <&dragon_ebi2_pins>;
+
+			/*
+			 * An on-board SMSC LAN9221 chip for "debug ethernet",
+			 * which is actually just an ordinary ethernet on the
+			 * EBI2. This has a 25MHz chrystal next to it, so no
+			 * clocking is needed.
+			 */
+			ethernet-ebi2@2,0 {
+				compatible = "smsc,lan9221", "smsc,lan9115";
+				reg = <2 0x0 0x100>;
+				/*
+				 * GPIO7 has interrupt 198 on the PM8058
+				 * The second interrupt is the PME interrupt
+				 * for network wakeup, connected to the TLMM.
+				 */
+				interrupts-extended = <&pmicintc 198 IRQ_TYPE_EDGE_FALLING>,
+						    <&tlmm 29 IRQ_TYPE_EDGE_RISING>;
+				reset-gpios = <&tlmm 30 GPIO_ACTIVE_LOW>;
+				vdd33a-supply = <&dragon_veth>;
+				vddvario-supply = <&dragon_vario>;
+				pinctrl-names = "default";
+				pinctrl-0 = <&dragon_ethernet_gpios>;
+				phy-mode = "mii";
+				reg-io-width = <2>;
+				smsc,force-external-phy;
+				/* IRQ on edge falling = active low */
+				smsc,irq-active-low;
+				smsc,irq-push-pull;
+
+				/*
+				 * SLOW chipselect config
+				 * Delay 9 cycles (140ns@64MHz) between SMSC
+				 * LAN9221 Ethernet controller reads and writes
+				 * on CS2.
+				 */
+				qcom,xmem-recovery-cycles = <0>;
+				qcom,xmem-write-hold-cycles = <3>;
+				qcom,xmem-write-delta-cycles = <31>;
+				qcom,xmem-read-delta-cycles = <28>;
+				qcom,xmem-write-wait-cycles = <9>;
+				qcom,xmem-read-wait-cycles = <9>;
+			};
+		};
+
+		rpm@104000 {
+			/*
+			 * Set up of the PMIC RPM regulators for this board
+			 * PM8901 supplies "preliminary regulators" whatever
+			 * that means
+			 */
+			pm8901-regulators {
+				vdd_l0-supply = <&pm8901_s4>;
+				vdd_l1-supply = <&vph>;
+				vdd_l2-supply = <&vph>;
+				vdd_l3-supply = <&vph>;
+				vdd_l4-supply = <&vph>;
+				vdd_l5-supply = <&vph>;
+				vdd_l6-supply = <&vph>;
+				/* vdd_s0-supply, vdd_s1-supply: SAW regulators */
+				vdd_s2-supply = <&vph>;
+				vdd_s3-supply = <&vph>;
+				vdd_s4-supply = <&vph>;
+				lvs0_in-supply = <&pm8058_s3>;
+				lvs1_in-supply = <&pm8901_s4>;
+				lvs2_in-supply = <&pm8058_l0>;
+				lvs3_in-supply = <&pm8058_s2>;
+				mvs_in-supply = <&pm8058_s3>;
+
+				l0 {
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+				l1 {
+					regulator-min-microvolt = <3300000>;
+					regulator-max-microvolt = <3300000>;
+					bias-pull-down;
+				};
+				l2 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <3300000>;
+					bias-pull-down;
+				};
+				l3 {
+					regulator-min-microvolt = <3300000>;
+					regulator-max-microvolt = <3300000>;
+					bias-pull-down;
+				};
+				l4 {
+					regulator-min-microvolt = <2600000>;
+					regulator-max-microvolt = <2600000>;
+					bias-pull-down;
+				};
+				l5 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					bias-pull-down;
+				};
+				l6 {
+					regulator-min-microvolt = <2200000>;
+					regulator-max-microvolt = <2200000>;
+					bias-pull-down;
+				};
+
+				/* s0 and s1 are SAW regulators controlled over SPM */
+				s2 {
+					regulator-min-microvolt = <1300000>;
+					regulator-max-microvolt = <1300000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+				s3 {
+					regulator-min-microvolt = <1100000>;
+					regulator-max-microvolt = <1100000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+				s4 {
+					regulator-min-microvolt = <1225000>;
+					regulator-max-microvolt = <1225000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+
+				/* LVS0 thru 3 and mvs0 are just switches */
+				lvs0 {
+					regulator-always-on;
+				};
+				lvs1 { };
+				lvs2 { };
+				lvs3 { };
+				mvs0 {};
+
+			};
+
+			pm8058-regulators {
+				vdd_l0_l1_lvs-supply = <&pm8058_s3>;
+				vdd_l2_l11_l12-supply = <&vph>;
+				vdd_l3_l4_l5-supply = <&vph>;
+				vdd_l6_l7-supply = <&vph>;
+				vdd_l8-supply = <&vph>;
+				vdd_l9-supply = <&vph>;
+				vdd_l10-supply = <&vph>;
+				vdd_l13_l16-supply = <&pm8058_s4>;
+				vdd_l14_l15-supply = <&vph>;
+				vdd_l17_l18-supply = <&vph>;
+				vdd_l19_l20-supply = <&vph>;
+				vdd_l21-supply = <&pm8058_s3>;
+				vdd_l22-supply = <&pm8058_s3>;
+				vdd_l23_l24_l25-supply = <&pm8058_s3>;
+				vdd_s0-supply = <&vph>;
+				vdd_s1-supply = <&vph>;
+				vdd_s2-supply = <&vph>;
+				vdd_s3-supply = <&vph>;
+				vdd_s4-supply = <&vph>;
+				vdd_ncp-supply = <&vph>;
+
+				l0 {
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+				l1 {
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+				l2 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <2600000>;
+					bias-pull-down;
+				};
+				l3 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+				};
+				l4 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					bias-pull-down;
+				};
+				l5 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					bias-pull-down;
+				};
+				l6 {
+					regulator-min-microvolt = <3000000>;
+					regulator-max-microvolt = <3600000>;
+					bias-pull-down;
+				};
+				l7 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+				};
+				l8 {
+					regulator-min-microvolt = <2900000>;
+					regulator-max-microvolt = <3050000>;
+					bias-pull-down;
+				};
+				l9 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+				};
+				l10 {
+					regulator-min-microvolt = <2600000>;
+					regulator-max-microvolt = <2600000>;
+					bias-pull-down;
+				};
+				l11 {
+					regulator-min-microvolt = <1500000>;
+					regulator-max-microvolt = <1500000>;
+					bias-pull-down;
+				};
+				l12 {
+					regulator-min-microvolt = <2900000>;
+					regulator-max-microvolt = <2900000>;
+					bias-pull-down;
+				};
+				l13 {
+					regulator-min-microvolt = <2050000>;
+					regulator-max-microvolt = <2050000>;
+					bias-pull-down;
+				};
+				l14 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+				};
+				l15 {
+					regulator-min-microvolt = <2850000>;
+					regulator-max-microvolt = <2850000>;
+					bias-pull-down;
+				};
+				l16 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+					regulator-always-on;
+				};
+				l17 {
+					// 1.5V according to schematic
+					regulator-min-microvolt = <2600000>;
+					regulator-max-microvolt = <2600000>;
+					bias-pull-down;
+				};
+				l18 {
+					regulator-min-microvolt = <2200000>;
+					regulator-max-microvolt = <2200000>;
+					bias-pull-down;
+				};
+				l19 {
+					regulator-min-microvolt = <2500000>;
+					regulator-max-microvolt = <2500000>;
+					bias-pull-down;
+				};
+				l20 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					bias-pull-down;
+				};
+				l21 {
+					// 1.1 V according to schematic
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+					regulator-always-on;
+				};
+				l22 {
+					// 1.2 V according to schematic
+					regulator-min-microvolt = <1150000>;
+					regulator-max-microvolt = <1150000>;
+					bias-pull-down;
+				};
+				l23 {
+					// Unused
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+				l24 {
+					// Unused
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+				l25 {
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1200000>;
+					bias-pull-down;
+				};
+
+				s0 {
+					// regulator-min-microvolt = <500000>;
+					// regulator-max-microvolt = <1325000>;
+					regulator-min-microvolt = <1100000>;
+					regulator-max-microvolt = <1100000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+				s1 {
+					// regulator-min-microvolt = <500000>;
+					// regulator-max-microvolt = <1250000>;
+					regulator-min-microvolt = <1100000>;
+					regulator-max-microvolt = <1100000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+				s2 {
+					// 1.3 V according to schematic
+					regulator-min-microvolt = <1200000>;
+					regulator-max-microvolt = <1400000>;
+					qcom,switch-mode-frequency = <1600000>;
+					bias-pull-down;
+				};
+				s3 {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					qcom,switch-mode-frequency = <1600000>;
+					regulator-always-on;
+					bias-pull-down;
+				};
+				s4 {
+					regulator-min-microvolt = <2200000>;
+					regulator-max-microvolt = <2200000>;
+					qcom,switch-mode-frequency = <1600000>;
+					regulator-always-on;
+					bias-pull-down;
+				};
+
+				/* LVS0 and LVS1 are just switches */
+				lvs0 {
+					bias-pull-down;
+				};
+				lvs1 {
+					bias-pull-down;
+				};
+
+				ncp {
+					regulator-min-microvolt = <1800000>;
+					regulator-max-microvolt = <1800000>;
+					qcom,switch-mode-frequency = <1600000>;
+				};
+			};
+		};
+		amba {
+			/* Internal 3.69 GiB eMMC */
+			sdcc@12400000 {
+				status = "okay";
+				pinctrl-names = "default";
+				pinctrl-0 = <&dragon_sdcc1_pins>;
+				vmmc-supply = <&pm8901_l5>;
+				vqmmc-supply = <&pm8901_lvs0>;
+			};
+
+			/* External micro SD card, directly connected, pulled up to 2.85 V */
+			sdcc@12180000 {
+				status = "okay";
+				/* Enable SSBI GPIO 22 as input, use for card detect */
+				pinctrl-names = "default";
+				pinctrl-0 = <&dragon_sdcc3_pins>, <&dragon_sdcc3_gpios>;
+				cd-gpios = <&pm8058_gpio 22 GPIO_ACTIVE_LOW>;
+				wp-gpios = <&tlmm 110 GPIO_ACTIVE_HIGH>;
+				vmmc-supply = <&pm8058_l14>;
+			};
+
+			/*
+			 * Second external micro SD card, using two TXB104RGYR levelshifters
+			 * to lift from 1.8 V to 2.85 V
+			 */
+			sdcc@12200000 {
+				status = "okay";
+				/* Enable SSBI GPIO 26 as input, use for card detect */
+				pinctrl-names = "default";
+				pinctrl-0 = <&dragon_sdcc5_pins>, <&dragon_sdcc5_gpios>;
+				cd-gpios = <&pm8058_gpio 26 GPIO_ACTIVE_LOW>;
+				wp-gpios = <&tlmm 106 GPIO_ACTIVE_HIGH>;
+				vmmc-supply = <&pm8058_l14>;
+				vqmmc-supply = <&dragon_vio_txb>;
+			};
+		};
+	};
+};