linux/arch/arm/boot/dts/ste-snowball.dts

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Copyright 2011 ST-Ericsson AB
 */

/dts-v1/;
#include "ste-dbx5x0.dtsi"
#include "ste-href-ab8500.dtsi"
#include "ste-href-family-pinctrl.dtsi"

/ {
	model = "Calao Systems Snowball platform with device tree";
	compatible = "calaosystems,snowball-a9500", "st-ericsson,u9500";

	/* This stablilizes the serial port enumeration */
	aliases {
		serial0 = &ux500_serial0;
		serial1 = &ux500_serial1;
		serial2 = &ux500_serial2;
	};

	memory {
		device_type = "memory";
		reg = <0x00000000 0x20000000>;
	};

	en_3v3_reg: en_3v3 {
		compatible = "regulator-fixed";
		regulator-name = "en-3v3-fixed-supply";
		regulator-min-microvolt = <3300000>;
		regulator-max-microvolt = <3300000>;
		/* AB8500 GPIOs start from 1 - offset 25 is GPIO26. */
		gpio = <&ab8500_gpio 25 0x4>;
		startup-delay-us = <5000>;
		enable-active-high;
	};

	gpio_keys {
		compatible = "gpio-keys";
		#address-cells = <1>;
		#size-cells = <0>;

		button@1 {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <2>;
			label = "userpb";
			gpios = <&gpio1 0 GPIO_ACTIVE_HIGH>;
		};
		button@2 {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <3>;
			label = "extkb1";
			gpios = <&gpio4 23 GPIO_ACTIVE_HIGH>;
		};
		button@3 {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <4>;
			label = "extkb2";
			gpios = <&gpio4 24 GPIO_ACTIVE_HIGH>;
		};
		button@4 {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <5>;
			label = "extkb3";
			gpios = <&gpio5 1 GPIO_ACTIVE_HIGH>;
		};
		button@5 {
			debounce-interval = <50>;
			wakeup-source;
			linux,code = <6>;
			label = "extkb4";
			gpios = <&gpio5 2 GPIO_ACTIVE_HIGH>;
		};
	};

	leds {
		compatible = "gpio-leds";
		pinctrl-names = "default";
		pinctrl-0 = <&gpioled_snowball_mode>;
		used-led {
			label = "user_led";
			gpios = <&gpio4 14 GPIO_ACTIVE_HIGH>;
			default-state = "on";
			linux,default-trigger = "heartbeat";
		};
	};

	soc {
		/* Name the GPIO muxed rails on the Snowball board */
		gpio@8012e000 {
			/* GPIOs 0 - 31 */
			gpio-line-names = "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "",
				     "AP_GPIO31";
		};

		gpio@8012e080 {
			/* GPIOs 32 - 63 */
			gpio-line-names = "USR PB", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "";
		};

		gpio@8000e000 {
			/* GPIOs 64 - 95 */
			gpio-line-names = "", "", "", "", "AP_GPIO68", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "";
		};

		gpio@8000e100 {
			/* GPIOs 128 - 159 */
			gpio-line-names = "", "", "", "", "", "", "", "",
				     "", "", "", "", "IRQ_LAN", "RSTn_LAN",
				     "USR_LED", "", "", "", "", "", "",
				     "", "", "AP_GPIO151", "AP_GPIO152",
				     "", "", "", "", "", "", "";
		};

		gpio@8000e180 {
			/* GPIOs 160 - 191 */
			gpio-line-names = "", "AP_GPIO161", "AP_GPIO162",
				     "ACCELEROMETER_INT1_RDY",
				     "ACCELEROMETER_INT2", "MAG_DRDY",
				     "GYRO_DRDY", "RSTn_MLC", "RSTn_SLC",
				     "GYRO_INT", "UART_WAKE", "GBF_RESET",
				     "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "";
		};

		gpio@8011e000 {
			/* GPIOs 192 - 223 */
			gpio-line-names = "HDTV_INTn", "", "", "", "HDTV_RST",
				     "", "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "", "",
				     "WLAN_RESETN", "WLAN_IRQ", "MMC_EN",
				     "MMC_CD", "", "", "", "", "";
		};

		gpio@8011e080 {
			/* GPIOs 224 - 255 */
			gpio-line-names = "", "", "", "", "SD_SEL", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "",
				     "", "", "", "", "", "", "", "";
		};

		msp0: msp@80123000 {
			pinctrl-names = "default";
			pinctrl-0 = <&msp0_default_mode>;
			status = "okay";
		};

		msp1: msp@80124000 {
			pinctrl-names = "default";
			pinctrl-0 = <&msp1_default_mode>;
			status = "okay";
		};

		msp2: msp@80117000 {
			pinctrl-names = "default";
			pinctrl-0 = <&msp2_default_mode>;
		};

		msp3: msp@80125000 {
			status = "okay";
		};

		external-bus@50000000 {
			status = "okay";

			ethernet@0 {
				compatible = "smsc,lan9115";
				reg = <0 0x10000>;
				interrupts = <12 IRQ_TYPE_EDGE_RISING>;
				interrupt-parent = <&gpio4>;
				vdd33a-supply = <&en_3v3_reg>;
				vddvario-supply = <&db8500_vape_reg>;
				pinctrl-names = "default";
				pinctrl-0 = <&eth_snowball_mode>;

				reg-shift = <1>;
				reg-io-width = <2>;
				smsc,force-internal-phy;
				smsc,irq-active-high;
				smsc,irq-push-pull;

				clocks = <&prcc_pclk 3 0>;
			};
		};

		/* ST6G3244ME level translator for 1.8/2.9 V */
		vmmci: regulator-gpio {
			compatible = "regulator-gpio";

			/* GPIO228 SD_SEL */
			gpios = <&gpio7 4 GPIO_ACTIVE_HIGH>;
			/* GPIO217 MMC_EN */
			enable-gpio = <&gpio6 25 GPIO_ACTIVE_HIGH>;
			enable-active-high;

			regulator-min-microvolt = <1800000>;
			regulator-max-microvolt = <2900000>;
			regulator-name = "mmci-reg";
			regulator-type = "voltage";

			startup-delay-us = <100>;

			states = <1800000 0x1
				  2900000 0x0>;
		};

		// External Micro SD slot
		sdi0_per1@80126000 {
			arm,primecell-periphid = <0x10480180>;
			max-frequency = <100000000>;
			bus-width = <4>;
			cap-sd-highspeed;
			cap-mmc-highspeed;
			sd-uhs-sdr12;
			sd-uhs-sdr25;
			/* All direction control is used */
			st,sig-dir-cmd;
			st,sig-dir-dat0;
			st,sig-dir-dat2;
			st,sig-dir-dat31;
			st,sig-pin-fbclk;
			full-pwr-cycle;
			vmmc-supply = <&ab8500_ldo_aux3_reg>;
			vqmmc-supply = <&vmmci>;
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&sdi0_default_mode>;
			pinctrl-1 = <&sdi0_sleep_mode>;

			/* GPIO218 MMC_CD */
			cd-gpios  = <&gpio6 26 GPIO_ACTIVE_LOW>;

			status = "okay";
		};

		// WLAN SDIO channel
		sdi1_per2@80118000 {
			arm,primecell-periphid = <0x10480180>;
			max-frequency = <100000000>;
			bus-width = <4>;
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&sdi1_default_mode>;
			pinctrl-1 = <&sdi1_sleep_mode>;

			status = "okay";
		};

		// Unused PoP eMMC - register and put it to sleep by default */
		sdi2_per3@80005000 {
			arm,primecell-periphid = <0x10480180>;
			pinctrl-names = "default";
			pinctrl-0 = <&sdi2_sleep_mode>;

			status = "okay";
		};

		// On-board eMMC
		sdi4_per2@80114000 {
			arm,primecell-periphid = <0x10480180>;
		        max-frequency = <100000000>;
			bus-width = <8>;
			cap-mmc-highspeed;
			vmmc-supply = <&ab8500_ldo_aux2_reg>;
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&sdi4_default_mode>;
			pinctrl-1 = <&sdi4_sleep_mode>;

			status = "okay";
		};

		uart@80120000 {
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&uart0_default_mode>;
			pinctrl-1 = <&uart0_sleep_mode>;
			status = "okay";
		};

		/* This UART is unused and thus left disabled */
		uart@80121000 {
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&uart1_default_mode>;
			pinctrl-1 = <&uart1_sleep_mode>;
		};

		uart@80007000 {
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&uart2_default_mode>;
			pinctrl-1 = <&uart2_sleep_mode>;
			status = "okay";
		};

		i2c@80004000 {
			pinctrl-names = "default","sleep";
			pinctrl-0 = <&i2c0_default_mode>;
			pinctrl-1 = <&i2c0_sleep_mode>;
		};

		i2c@80122000 {
			pinctrl-names = "default","sleep";
			pinctrl-0 = <&i2c1_default_mode>;
			pinctrl-1 = <&i2c1_sleep_mode>;
		};

		i2c@80128000 {
			pinctrl-names = "default","sleep";
			pinctrl-0 = <&i2c2_default_mode>;
			pinctrl-1 = <&i2c2_sleep_mode>;
			lsm303dlh@18 {
				/* Accelerometer */
				compatible = "st,lsm303dlh-accel";
				st,drdy-int-pin = <1>;
				reg = <0x18>;
				vdd-supply = <&ab8500_ldo_aux1_reg>;
				vddio-supply = <&db8500_vsmps2_reg>;
				pinctrl-names = "default";
				pinctrl-0 = <&accel_snowball_mode>;
				interrupt-parent = <&gpio5>;
				interrupts = <3 IRQ_TYPE_EDGE_RISING>, /* INT1 */
					     <4 IRQ_TYPE_EDGE_RISING>; /* INT2 */
			};
			lsm303dlh@1e {
				/* Magnetometer */
				compatible = "st,lsm303dlh-magn";
				reg = <0x1e>;
				vdd-supply = <&ab8500_ldo_aux1_reg>;
				vddio-supply = <&db8500_vsmps2_reg>;
				pinctrl-names = "default";
				pinctrl-0 = <&magneto_snowball_mode>;
				interrupt-parent = <&gpio5>;
				interrupts = <5 IRQ_TYPE_EDGE_RISING>; /* DRDY line */
			};
			l3g4200d@68 {
				/* Gyroscope */
				compatible = "st,l3g4200d-gyro";
				st,drdy-int-pin = <2>;
				reg = <0x68>;
				vdd-supply = <&ab8500_ldo_aux1_reg>;
				vddio-supply = <&db8500_vsmps2_reg>;
				pinctrl-names = "default";
				pinctrl-0 = <&gyro_snowball_mode>;
				interrupt-parent = <&gpio5>;
				interrupts = <6 IRQ_TYPE_EDGE_RISING>, /* DRDY line */
					     <9 IRQ_TYPE_EDGE_RISING>; /* INT1 */
			};
			lsp001wm@5c {
				/* Barometer/pressure sensor */
				compatible = "st,lps001wp-press";
				reg = <0x5c>;
				vdd-supply = <&ab8500_ldo_aux1_reg>;
				vddio-supply = <&db8500_vsmps2_reg>;
			};
		};

		i2c@80110000 {
			pinctrl-names = "default","sleep";
			pinctrl-0 = <&i2c3_default_mode>;
			pinctrl-1 = <&i2c3_sleep_mode>;
		};

		spi@80002000 {
			pinctrl-names = "default";
			pinctrl-0 = <&ssp0_snowball_mode>;
		};

		prcmu@80157000 {
			cpufreq {
				status = "okay";
			};

			ab8500 {
				ab8500-gpio {
					/*
					 * AB8500 GPIOs are numbered starting from 1, so the first
					 * index 0 is what in the datasheet is called "GPIO1", and
					 * the second is "GPIO2" and so forth. Confusingly, the
					 * Snowball schematic then names the "GPIO2" line "PM_GPIO1".
					 * while later naming "GPIO4" as "PM_GPIO4".
					 */
					gpio-line-names = "", /* AB8500 GPIO1 */
						     "PM_GPIO1", /* AB8500 GPIO2 */
						     "WLAN_CLK_REQ", /* AB8500 GPIO3 */
						     "PM_GPIO4", /* AB8500 GPIO4 */
						     "", "", "", "", "", "", "", "", "", "", "",
						     "EN_3V6", /* AB8500 GPIO16 */
						     "", "", "", "" ,"", "", "", "", "",
						     "EN_3V3", /* AB8500 GPIO26 */
						     "", "", "", "", "", "", "", "", "", "", "", "", "",
						     "PM_GPIO40", /* AB8500 GPIO40 */
						     "PM_GPIO41", /* AB8500 GPIO41 */
						     "PM_GPIO42"; /* AB8500 GPIO42 */
				};

				ab8500_usb {
					pinctrl-names = "default", "sleep";
					pinctrl-0 = <&musb_default_mode>;
					pinctrl-1 = <&musb_sleep_mode>;
				};

				ext_regulators: ab8500-ext-regulators {
					ab8500_ext1_reg: ab8500_ext1 {
						regulator-name = "ab8500-ext-supply1";
					};

					ab8500_ext2_reg_reg: ab8500_ext2 {
						regulator-name = "ab8500-ext-supply2";
					};

					ab8500_ext3_reg_reg: ab8500_ext3 {
						regulator-name = "ab8500-ext-supply3";
					};
				};

				ab8500-regulators {
					ab8500_ldo_aux1_reg: ab8500_ldo_aux1 {
						regulator-name = "V-DISPLAY";
					};

					ab8500_ldo_aux2_reg: ab8500_ldo_aux2 {
						regulator-name = "V-eMMC1";
					};

					ab8500_ldo_aux3_reg: ab8500_ldo_aux3 {
						regulator-name = "V-MMC-SD";
					};

					ab8500_ldo_intcore_reg: ab8500_ldo_intcore {
						regulator-name = "V-INTCORE";
					};

					ab8500_ldo_tvout_reg: ab8500_ldo_tvout {
						regulator-name = "V-TVOUT";
					};

					ab8500_ldo_audio_reg: ab8500_ldo_audio {
						regulator-name = "V-AUD";
					};

					ab8500_ldo_anamic1_reg: ab8500_ldo_anamic1 {
						regulator-name = "V-AMIC1";
					};

					ab8500_ldo_anamic2_reg: ab8500_ldo_anamic2 {
						regulator-name = "V-AMIC2";
					};

					ab8500_ldo_dmic_reg: ab8500_ldo_dmic {
						regulator-name = "V-DMIC";
					};

					ab8500_ldo_ana_reg: ab8500_ldo_ana {
						regulator-name = "V-CSI/DSI";
					};
				};
			};
		};

		pinctrl {
			/*
			 * Set this up using hogs, as time goes by and as seems fit, these
			 * can be moved over to being controlled by respective device.
			 */
			pinctrl-names = "default";
			pinctrl-0 = <&gbf_snowball_mode>,
				  <&wlan_snowball_mode>;

			ethernet {
				/*
				 * Mux in "SM" which is used for the
				 * SMSC911x Ethernet adapter
				 */
				eth_snowball_mode: eth_snowball {
					snowball_mux {
						function = "sm";
						groups = "sm_b_1";
					};
					/* LAN IRQ pin */
					snowball_cfg1 {
						pins = "GPIO140_B11";
						ste,config = <&in_nopull>;
					};
					/* LAN reset pin */
					snowball_cfg2 {
						pins = "GPIO141_C12";
						ste,config = <&gpio_out_hi>;
					};

				};
			};
			sdi0 {
				sdi0_default_mode: sdi0_default {
					snowball_mux {
						function = "mc0";
						/* Add the DAT31 pin even if it is not really used */
						groups = "mc0dat31dir_a_1";
					};
					snowball_cfg1 {
						pins = "GPIO21_AB3"; /* DAT31DIR */
						ste,config = <&out_hi>;
					};
					/* SD card detect GPIO pin, extend default state */
					snowball_cfg2 {
						pins = "GPIO218_AH11";
						ste,config = <&gpio_in_pu>;
					};
					/* VMMCI level-shifter enable */
					snowball_cfg3 {
						pins = "GPIO217_AH12";
						ste,config = <&gpio_out_hi>;
					};
					/* VMMCI level-shifter voltage select */
					snowball_cfg4 {
						pins = "GPIO228_AJ6";
						ste,config = <&gpio_out_hi>;
					};
				};
			};
			ssp0 {
				ssp0_snowball_mode: ssp0_snowball_default {
					snowball_mux {
						function = "ssp0";
						groups = "ssp0_a_1";
					};
					snowball_cfg1 {
						pins = "GPIO144_B13"; /* FRM */
						ste,config = <&gpio_out_hi>;
					};
					snowball_cfg2 {
						pins = "GPIO145_C13"; /* RXD */
						ste,config = <&in_pd>;
					};
					snowball_cfg3 {
						pins =
						"GPIO146_D13", /* TXD */
						"GPIO143_D12"; /* CLK */
						ste,config = <&out_lo>;
					};

				};
			};
			gpio_led {
				gpioled_snowball_mode: gpioled_default {
					snowball_cfg1 {
						pins = "GPIO142_C11";
						ste,config = <&gpio_out_hi>;
					};

				};
			};
			accelerometer {
				accel_snowball_mode: accel_snowball {
					/* Accelerometer lines */
					snowball_cfg1 {
						pins =
						"GPIO163_C20", /* ACCEL_IRQ1 */
						"GPIO164_B21"; /* ACCEL_IRQ2 */
						ste,config = <&gpio_in_pu>;
					};
				};
			};
			gyro {
				gyro_snowball_mode: gyro_snowball {
					snowball_cfg1 {
						pins =
						"GPIO166_A22", /* DRDY */
						"GPIO169_D22"; /* INT */
						ste,config = <&gpio_in_pu>;
					};
				};
			};
			magnetometer {
				magneto_snowball_mode: magneto_snowball {
					snowball_cfg1 {
						pins = "GPIO165_C21"; /* MAG_DRDY */
						ste,config = <&gpio_in_pu>;
					};
				};
			};
			gbf {
				gbf_snowball_mode: gbf_snowball {
					/*
					 * GBF (GPS, Bluetooth, FM-radio) interface,
					 * pull low to reset state
					 */
					snowball_cfg1 {
						pins = "GPIO171_D23"; /* GBF_ENA_RESET */
						ste,config = <&gpio_out_lo>;
					};
				 };
			};
			wlan {
				wlan_snowball_mode: wlan_snowball {
					/*
					 * Activate this mode with the WLAN chip.
					 * These are plain GPIO pins used by WLAN
					 */
					snowball_cfg1 {
						pins =
						"GPIO161_D21", /* WLAN_PMU_EN */
						"GPIO215_AH13"; /* WLAN_ENA */
						ste,config = <&gpio_out_lo>;
					};
					snowball_cfg2 {
						pins = "GPIO216_AG12"; /* WLAN_IRQ */
						ste,config = <&gpio_in_pu>;
					};
				};
			};
		};

		mcde@a0350000 {
			pinctrl-names = "default", "sleep";
			pinctrl-0 = <&lcd_default_mode>;
			pinctrl-1 = <&lcd_sleep_mode>;
		};
	};
};