diff options
Diffstat (limited to 'arch/arm/boot/dts/tegra20-acer-a500-picasso.dts')
| -rw-r--r-- | arch/arm/boot/dts/tegra20-acer-a500-picasso.dts | 90 |
1 files changed, 56 insertions, 34 deletions
diff --git a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts index 1976c383912a..2280d75b66ab 100644 --- a/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts +++ b/arch/arm/boot/dts/tegra20-acer-a500-picasso.dts @@ -1,6 +1,7 @@ // SPDX-License-Identifier: GPL-2.0 /dts-v1/; +#include <dt-bindings/input/atmel-maxtouch.h> #include <dt-bindings/input/gpio-keys.h> #include <dt-bindings/input/input.h> #include <dt-bindings/thermal/thermal.h> @@ -454,7 +455,7 @@ vdda-supply = <&vdd_3v3_sys>; vdd-supply = <&vdd_3v3_sys>; - atmel,wakeup-method = <1>; + atmel,wakeup-method = <ATMEL_MXT_WAKEUP_I2C_SCL>; }; gyroscope@68 { @@ -482,6 +483,9 @@ interrupt-parent = <&gpio>; interrupts = <TEGRA_GPIO(S, 7) IRQ_TYPE_EDGE_RISING>; + vdd-supply = <&vdd_1v8_sys>; + vddio-supply = <&vdd_1v8_sys>; + mount-matrix = "0", "1", "0", "1", "0", "0", "0", "0", "-1"; @@ -693,6 +697,10 @@ compatible = "onnn,nct1008"; reg = <0x4c>; vcc-supply = <&vdd_3v3_sys>; + + interrupt-parent = <&gpio>; + interrupts = <TEGRA_GPIO(N, 6) IRQ_TYPE_EDGE_FALLING>; + #thermal-sensor-cells = <1>; }; }; @@ -719,7 +727,6 @@ nvidia,xcvr-setup-use-fuses; nvidia,xcvr-lsfslew = <2>; nvidia,xcvr-lsrslew = <2>; - vbus-supply = <&vdd_vbus1>; }; usb@c5008000 { @@ -731,7 +738,7 @@ nvidia,xcvr-setup-use-fuses; nvidia,xcvr-lsfslew = <2>; nvidia,xcvr-lsrslew = <2>; - vbus-supply = <&vdd_vbus3>; + vbus-supply = <&vdd_5v0_sys>; }; brcm_wifi_pwrseq: wifi-pwrseq { @@ -991,28 +998,6 @@ vin-supply = <&vdd_5v0_sys>; }; - vdd_vbus1: regulator@4 { - compatible = "regulator-fixed"; - regulator-name = "vdd_usb1_vbus"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - regulator-always-on; - gpio = <&gpio TEGRA_GPIO(D, 0) GPIO_ACTIVE_HIGH>; - enable-active-high; - vin-supply = <&vdd_5v0_sys>; - }; - - vdd_vbus3: regulator@5 { - compatible = "regulator-fixed"; - regulator-name = "vdd_usb3_vbus"; - regulator-min-microvolt = <5000000>; - regulator-max-microvolt = <5000000>; - regulator-always-on; - gpio = <&gpio TEGRA_GPIO(D, 3) GPIO_ACTIVE_HIGH>; - enable-active-high; - vin-supply = <&vdd_5v0_sys>; - }; - sound { compatible = "nvidia,tegra-audio-wm8903-picasso", "nvidia,tegra-audio-wm8903"; @@ -1044,11 +1029,48 @@ }; thermal-zones { + /* + * NCT1008 has two sensors: + * + * 0: internal that monitors ambient/skin temperature + * 1: external that is connected to the CPU's diode + * + * Ideally we should use userspace thermal governor, + * but it's a much more complex solution. The "skin" + * zone is a simpler solution which prevents A500 from + * getting too hot from a user's tactile perspective. + * The CPU zone is intended to protect silicon from damage. + */ + skin-thermal { polling-delay-passive = <1000>; /* milliseconds */ - polling-delay = <0>; /* milliseconds */ + polling-delay = <5000>; /* milliseconds */ thermal-sensors = <&nct1008 0>; + + trips { + trip0: skin-alert { + /* start throttling at 60C */ + temperature = <60000>; + hysteresis = <200>; + type = "passive"; + }; + + trip1: skin-crit { + /* shut down at 70C */ + temperature = <70000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + cooling-maps { + map0 { + trip = <&trip0>; + cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, + <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + }; + }; }; cpu-thermal { @@ -1058,24 +1080,24 @@ thermal-sensors = <&nct1008 1>; trips { - trip0: cpu-alert0 { - /* start throttling at 60C */ - temperature = <60000>; + trip2: cpu-alert { + /* throttle at 85C until temperature drops to 84.8C */ + temperature = <85000>; hysteresis = <200>; type = "passive"; }; - trip1: cpu-crit { - /* shut down at 70C */ - temperature = <70000>; + trip3: cpu-crit { + /* shut down at 90C */ + temperature = <90000>; hysteresis = <2000>; type = "critical"; }; }; cooling-maps { - map0 { - trip = <&trip0>; + map1 { + trip = <&trip2>; cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>, <&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; }; |