exynos5420-arndale-octa.dts

// SPDX-License-Identifier: GPL-2.0
/*
 * Samsung's Exynos5420 based Arndale Octa board device tree source
 *
 * Copyright (c) 2013 Samsung Electronics Co., Ltd.
 *		http://www.samsung.com
 */

/dts-v1/;
#include "exynos5420.dtsi"
#include "exynos5420-cpus.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/input/input.h>
#include <dt-bindings/clock/samsung,s2mps11.h>

/ {
	model = "Insignal Arndale Octa evaluation board based on EXYNOS5420";
	compatible = "insignal,arndale-octa", "samsung,exynos5420", "samsung,exynos5";

	memory@20000000 {
		device_type = "memory";
		reg = <0x20000000 0x80000000>;
	};

	chosen {
		stdout-path = "serial3:115200n8";
	};

	firmware@2073000 {
		compatible = "samsung,secure-firmware";
		reg = <0x02073000 0x1000>;
	};

	fixed-rate-clocks {
		oscclk {
			compatible = "samsung,exynos5420-oscclk";
			clock-frequency = <24000000>;
		};
	};

	gpio_keys {
		compatible = "gpio-keys";

		wakeup {
			label = "SW-TACT1";
			gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
			linux,code = <KEY_WAKEUP>;
			wakeup-source;
		};
	};
};

&adc {
	vdd-supply = <&ldo4_reg>;
	status = "okay";
};

&cci {
	status = "disabled";
};

&cpu0 {
	cpu-supply = <&buck2_reg>;
};

&cpu4 {
	cpu-supply = <&buck6_reg>;
};

&cpu0_thermal {
	trips {
		cpu0_alert0: cpu-alert-0 {
			temperature = <60000>; /* millicelsius */
			hysteresis = <5000>; /* millicelsius */
			type = "passive";
		};
		cpu0_alert1: cpu-alert-1 {
			temperature = <80000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu0_alert2: cpu-alert-2 {
			temperature = <110000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu0_crit0: cpu-crit-0 {
			temperature = <120000>; /* millicelsius */
			hysteresis = <0>; /* millicelsius */
			type = "critical";
		};
	};

	cooling-maps {
		/*
		 * Reduce the CPU speed by 2 steps, down to: 1600 MHz
		 * and 1100 MHz.
		 */
		map0 {
			trip = <&cpu0_alert0>;
			cooling-device = <&cpu0 0 2>,
					 <&cpu1 0 2>,
					 <&cpu2 0 2>,
					 <&cpu3 0 2>,
					 <&cpu4 0 2>,
					 <&cpu5 0 2>,
					 <&cpu6 0 2>,
					 <&cpu7 0 2>;
		};

		/*
		 * Reduce the CPU speed down to 1200 MHz big (6 steps)
		 * and 800 MHz LITTLE (5 steps).
		 */
		map1 {
			trip = <&cpu0_alert1>;
			cooling-device = <&cpu0 3 6>,
					 <&cpu1 3 6>,
					 <&cpu2 3 6>,
					 <&cpu3 3 6>,
					 <&cpu4 3 5>,
					 <&cpu5 3 5>,
					 <&cpu6 3 5>,
					 <&cpu7 3 5>;
		};

		/*
		 * Reduce the CPU speed as much as possible, down to 700 MHz
		 * big (11 steps) and 600 MHz LITTLE (7 steps).
		 */
		map2 {
			trip = <&cpu0_alert2>;
			cooling-device = <&cpu0 6 11>,
					 <&cpu1 6 11>,
					 <&cpu2 6 11>,
					 <&cpu3 6 11>,
					 <&cpu4 5 7>,
					 <&cpu5 5 7>,
					 <&cpu6 5 7>,
					 <&cpu7 5 7>;
		};
	};
};

&cpu1_thermal {
	trips {
		cpu1_alert0: cpu-alert-0 {
			temperature = <60000>; /* millicelsius */
			hysteresis = <5000>; /* millicelsius */
			type = "passive";
		};
		cpu1_alert1: cpu-alert-1 {
			temperature = <80000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu1_alert2: cpu-alert-2 {
			temperature = <110000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu1_crit0: cpu-crit-0 {
			temperature = <120000>; /* millicelsius */
			hysteresis = <0>; /* millicelsius */
			type = "critical";
		};
	};

	cooling-maps {
		map0 {
			trip = <&cpu1_alert0>;
			cooling-device = <&cpu0 0 2>,
					 <&cpu1 0 2>,
					 <&cpu2 0 2>,
					 <&cpu3 0 2>,
					 <&cpu4 0 2>,
					 <&cpu5 0 2>,
					 <&cpu6 0 2>,
					 <&cpu7 0 2>;
		};

		map1 {
			trip = <&cpu1_alert1>;
			cooling-device = <&cpu0 3 6>,
					 <&cpu1 3 6>,
					 <&cpu2 3 6>,
					 <&cpu3 3 6>,
					 <&cpu4 3 5>,
					 <&cpu5 3 5>,
					 <&cpu6 3 5>,
					 <&cpu7 3 5>;
		};

		map2 {
			trip = <&cpu1_alert2>;
			cooling-device = <&cpu0 6 11>,
					 <&cpu1 6 11>,
					 <&cpu2 6 11>,
					 <&cpu3 6 11>,
					 <&cpu4 5 7>,
					 <&cpu5 5 7>,
					 <&cpu6 5 7>,
					 <&cpu7 5 7>;
		};
	};
};

&cpu2_thermal {
	trips {
		cpu2_alert0: cpu-alert-0 {
			temperature = <60000>; /* millicelsius */
			hysteresis = <5000>; /* millicelsius */
			type = "passive";
		};
		cpu2_alert1: cpu-alert-1 {
			temperature = <80000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu2_alert2: cpu-alert-2 {
			temperature = <110000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu2_crit0: cpu-crit-0 {
			temperature = <120000>; /* millicelsius */
			hysteresis = <0>; /* millicelsius */
			type = "critical";
		};
	};

	cooling-maps {
		map0 {
			trip = <&cpu2_alert0>;
			cooling-device = <&cpu0 0 2>,
					 <&cpu1 0 2>,
					 <&cpu2 0 2>,
					 <&cpu3 0 2>,
					 <&cpu4 0 2>,
					 <&cpu5 0 2>,
					 <&cpu6 0 2>,
					 <&cpu7 0 2>;
		};

		map1 {
			trip = <&cpu2_alert1>;
			cooling-device = <&cpu0 3 6>,
					 <&cpu1 3 6>,
					 <&cpu2 3 6>,
					 <&cpu3 3 6>,
					 <&cpu4 3 5>,
					 <&cpu5 3 5>,
					 <&cpu6 3 5>,
					 <&cpu7 3 5>;
		};

		map2 {
			trip = <&cpu2_alert2>;
			cooling-device = <&cpu0 6 11>,
					 <&cpu1 6 11>,
					 <&cpu2 6 11>,
					 <&cpu3 6 11>,
					 <&cpu4 6 7>,
					 <&cpu5 6 7>,
					 <&cpu6 6 7>,
					 <&cpu7 6 7>;
		};
	};
};

&cpu3_thermal {
	trips {
		cpu3_alert0: cpu-alert-0 {
			temperature = <60000>; /* millicelsius */
			hysteresis = <5000>; /* millicelsius */
			type = "passive";
		};
		cpu3_alert1: cpu-alert-1 {
			temperature = <80000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu3_alert2: cpu-alert-2 {
			temperature = <110000>; /* millicelsius */
			hysteresis = <10000>; /* millicelsius */
			type = "passive";
		};
		cpu3_crit0: cpu-crit-0 {
			temperature = <120000>; /* millicelsius */
			hysteresis = <0>; /* millicelsius */
			type = "critical";
		};
	};

	cooling-maps {
		map0 {
			trip = <&cpu3_alert0>;
			cooling-device = <&cpu0 0 2>,
					 <&cpu1 0 2>,
					 <&cpu2 0 2>,
					 <&cpu3 0 2>,
					 <&cpu4 0 2>,
					 <&cpu5 0 2>,
					 <&cpu6 0 2>,
					 <&cpu7 0 2>;
		};

		map1 {
			trip = <&cpu3_alert1>;
			cooling-device = <&cpu0 3 6>,
					 <&cpu1 3 6>,
					 <&cpu2 3 6>,
					 <&cpu3 3 6>,
					 <&cpu4 3 5>,
					 <&cpu5 3 5>,
					 <&cpu6 3 5>,
					 <&cpu7 3 5>;
		};

		map2 {
			trip = <&cpu3_alert2>;
			cooling-device = <&cpu0 6 11>,
					 <&cpu1 6 11>,
					 <&cpu2 6 11>,
					 <&cpu3 6 11>,
					 <&cpu4 5 7>,
					 <&cpu5 5 7>,
					 <&cpu6 5 7>,
					 <&cpu7 5 7>;
		};
	};
};

&hdmi {
	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
	vdd_osc-supply = <&ldo7_reg>;
	vdd_pll-supply = <&ldo6_reg>;
	vdd-supply = <&ldo6_reg>;
	ddc = <&i2c_2>;
	status = "okay";
};

&hsi2c_4 {
	status = "okay";

	s2mps11_pmic@66 {
		compatible = "samsung,s2mps11-pmic";
		reg = <0x66>;

		interrupt-parent = <&gpx3>;
		interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
		pinctrl-names = "default";
		pinctrl-0 = <&s2mps11_irq>;

		s2mps11_osc: clocks {
			compatible = "samsung,s2mps11-clk";
			#clock-cells = <1>;
			clock-output-names = "s2mps11_ap",
					"s2mps11_cp", "s2mps11_bt";
		};

		regulators {
			ldo1_reg: LDO1 {
				regulator-name = "PVDD_ALIVE_1V0";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
			};

			ldo2_reg: LDO2 {
				regulator-name = "PVDD_APIO_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo3_reg: LDO3 {
				regulator-name = "PVDD_APIO_MMCON_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				/*
				 * Must be always on, even though there is
				 * a consumer (mmc_0).  Otherwise the board
				 * does not reboot with vendor U-Boot
				 * (Linaro for Arndale Octa, v2012.07).
				 */
				regulator-always-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			ldo4_reg: LDO4 {
				regulator-name = "PVDD_ADC_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo5_reg: LDO5 {
				regulator-name = "PVDD_PLL_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo6_reg: LDO6 {
				regulator-name = "PVDD_ANAIP_1V0";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
			};

			ldo7_reg: LDO7 {
				regulator-name = "PVDD_ANAIP_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			ldo8_reg: LDO8 {
				regulator-name = "PVDD_ABB_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo9_reg: LDO9 {
				regulator-name = "PVDD_USB_3V3";
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3000000>;
				regulator-always-on;
			};

			ldo10_reg: LDO10 {
				regulator-name = "PVDD_PRE_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				regulator-always-on;
			};

			ldo11_reg: LDO11 {
				regulator-name = "PVDD_USB_1V0";
				regulator-min-microvolt = <1000000>;
				regulator-max-microvolt = <1000000>;
				regulator-always-on;
			};

			ldo12_reg: LDO12 {
				regulator-name = "PVDD_HSIC_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo13_reg: LDO13 {
				regulator-name = "PVDD_APIO_MMCOFF_2V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <2800000>;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			ldo14_reg: LDO14 {
				/* Unused */
				regulator-name = "PVDD_LDO14";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo15_reg: LDO15 {
				regulator-name = "PVDD_PERI_2V8";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;

				regulator-state-mem {
					regulator-on-in-suspend;
				};
			};

			ldo16_reg: LDO16 {
				regulator-name = "PVDD_PERI_3V3";
				regulator-min-microvolt = <2200000>;
				regulator-max-microvolt = <2200000>;

				regulator-state-mem {
					regulator-on-in-suspend;
				};
			};

			ldo17_reg: LDO17 {
				/* Unused */
				regulator-name = "PVDD_LDO17";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo18_reg: LDO18 {
				regulator-name = "PVDD_EMMC_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
				/*
				 * Must stay in "off" mode during shutdown for
				 * proper eMMC reset.  The "off" mode is in
				 * fact controlled by LDO18EN.  The eMMC does
				 * not have reset pin connected so the reset
				 * will be triggered by falling edge of
				 * LDO18EN.
				 */

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			ldo19_reg: LDO19 {
				regulator-name = "PVDD_TFLASH_2V8";
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			ldo20_reg: LDO20 {
				regulator-name = "PVDD_BTWIFI_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo21_reg: LDO21 {
				regulator-name = "PVDD_CAM1IO_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo22_reg: LDO22 {
				/* Unused */
				regulator-name = "PVDD_LDO22";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <2375000>;
			};

			ldo23_reg: LDO23 {
				regulator-name = "PVDD_MIFS_1V1";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1100000>;
				regulator-always-on;

				regulator-state-mem {
					regulator-on-in-suspend;
				};
			};

			ldo24_reg: LDO24 {
				regulator-name = "PVDD_CAM1_AVDD_2V8";
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;

				regulator-state-mem {
					regulator-on-in-suspend;
				};
			};

			ldo25_reg: LDO25 {
				/* Unused */
				regulator-name = "PVDD_LDO25";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo26_reg: LDO26 {
				regulator-name = "PVDD_CAM0_AF_2V8";
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3000000>;
			};

			ldo27_reg: LDO27 {
				regulator-name = "PVDD_G3DS_1V0";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1100000>;

				regulator-state-mem {
					regulator-on-in-suspend;
				};
			};

			ldo28_reg: LDO28 {
				regulator-name = "PVDD_TSP_3V3";
				regulator-min-microvolt = <3300000>;
				regulator-max-microvolt = <3300000>;
			};

			ldo29_reg: LDO29 {
				regulator-name = "PVDD_AUDIO_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo30_reg: LDO30 {
				/* Unused */
				regulator-name = "PVDD_LDO30";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo31_reg: LDO31 {
				regulator-name = "PVDD_PERI_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo32_reg: LDO32 {
				regulator-name = "PVDD_LCD_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo33_reg: LDO33 {
				regulator-name = "PVDD_CAM0IO_1V8";
				regulator-min-microvolt = <1800000>;
				regulator-max-microvolt = <1800000>;
			};

			ldo34_reg: LDO34 {
				/* Unused */
				regulator-name = "PVDD_LDO34";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo35_reg: LDO35 {
				regulator-name = "PVDD_CAM0_DVDD_1V2";
				regulator-min-microvolt = <1200000>;
				regulator-max-microvolt = <1200000>;
			};

			ldo36_reg: LDO36 {
				/* Unused */
				regulator-name = "PVDD_LDO36";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo37_reg: LDO37 {
				/* Unused */
				regulator-name = "PVDD_LDO37";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <3950000>;
			};

			ldo38_reg: LDO38 {
				regulator-name = "PVDD_CAM0_AVDD_2V8";
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;
			};

			buck1_reg: BUCK1 {
				regulator-name = "PVDD_MIF_1V1";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1300000>;
				regulator-always-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			buck2_reg: BUCK2 {
				regulator-name = "vdd_arm";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1500000>;
				regulator-always-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			buck3_reg: BUCK3 {
				regulator-name = "PVDD_INT_1V0";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1400000>;
				regulator-always-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			buck4_reg: BUCK4 {
				regulator-name = "PVDD_G3D_1V0";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1400000>;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			buck5_reg: BUCK5 {
				regulator-name = "PVDD_LPDDR3_1V2";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1400000>;
				regulator-always-on;
			};

			buck6_reg: BUCK6 {
				regulator-name = "PVDD_KFC_1V0";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1500000>;
				regulator-always-on;

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};

			buck7_reg: BUCK7 {
				regulator-name = "VIN_LLDO_1V4";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <1500000>;
				regulator-always-on;
			};

			buck8_reg: BUCK8 {
				regulator-name = "VIN_MLDO_2V0";
				regulator-min-microvolt = <800000>;
				regulator-max-microvolt = <2000000>;
				regulator-always-on;
			};

			buck9_reg: BUCK9 {
				regulator-name = "VIN_HLDO_3V5";
				regulator-min-microvolt = <3000000>;
				regulator-max-microvolt = <3500000>;
				regulator-always-on;
			};

			buck10_reg: BUCK10 {
				regulator-name = "PVDD_EMMCF_2V8";
				regulator-min-microvolt = <2800000>;
				regulator-max-microvolt = <2800000>;
				/*
				 * Must stay in "off" mode during shutdown for
				 * proper eMMC reset.  The "off" mode is in
				 * fact controlled by BUCK10EN.  The eMMC does
				 * not have reset pin connected so the reset
				 * will be triggered by falling edge of
				 * BUCK10EN.
				 */

				regulator-state-mem {
					regulator-off-in-suspend;
				};
			};
		};
	};
};

&i2c_2 {
	status = "okay";
};

&mixer {
	status = "okay";
};

&mmc_0 {
	status = "okay";
	non-removable;
	card-detect-delay = <200>;
	samsung,dw-mshc-ciu-div = <3>;
	samsung,dw-mshc-sdr-timing = <0 4>;
	samsung,dw-mshc-ddr-timing = <0 2>;
	pinctrl-names = "default";
	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus1 &sd0_bus4 &sd0_bus8>;
	vmmc-supply = <&ldo10_reg>;
	vqmmc-supply = <&ldo3_reg>;
	bus-width = <8>;
	cap-mmc-highspeed;
	mmc-hs200-1_8v;
};

&mmc_2 {
	status = "okay";
	card-detect-delay = <200>;
	samsung,dw-mshc-ciu-div = <3>;
	samsung,dw-mshc-sdr-timing = <0 4>;
	samsung,dw-mshc-ddr-timing = <0 2>;
	pinctrl-names = "default";
	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_cd &sd2_bus1 &sd2_bus4>;
	vmmc-supply = <&ldo19_reg>;
	vqmmc-supply = <&ldo13_reg>;
	bus-width = <4>;
	cap-sd-highspeed;
	sd-uhs-sdr50;
	sd-uhs-sdr104;
	sd-uhs-ddr50;
};

&pinctrl_0 {
	s2mps11_irq: s2mps11-irq {
		samsung,pins = "gpx3-2";
		samsung,pin-function = <EXYNOS_PIN_FUNC_F>;
		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
		samsung,pin-drv = <EXYNOS5420_PIN_DRV_LV1>;
	};
};

&rtc {
	status = "okay";
	clocks = <&clock CLK_RTC>, <&s2mps11_osc S2MPS11_CLK_AP>;
	clock-names = "rtc", "rtc_src";
};

&usbdrd_dwc3_1 {
	dr_mode = "host";
};