X-Git-Url: http://git.monstr.eu/?a=blobdiff_plain;f=arch%2Farm%2Fboot%2Fdts%2Ftegra20-acer-a500-picasso.dts;h=2280d75b66abf2ca73c4b7f510d555b0dca5d2f8;hb=d6742212c0c6ccee2351499db80acba71fa36052;hp=1976c383912aa47d23d0647efdc19deea6dfbad1;hpb=c94d89fafa49ba70fedbb01cb52dfbbdd7dc0986;p=linux-2.6-microblaze.git

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>;
 				};