diff options
Diffstat (limited to 'arch/arm/boot/dts/ste-hrefv60plus.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/ste-hrefv60plus.dtsi | 76 |
1 files changed, 59 insertions, 17 deletions
diff --git a/arch/arm/boot/dts/ste-hrefv60plus.dtsi b/arch/arm/boot/dts/ste-hrefv60plus.dtsi index 05b4fbbba57f..8f504edefd3f 100644 --- a/arch/arm/boot/dts/ste-hrefv60plus.dtsi +++ b/arch/arm/boot/dts/ste-hrefv60plus.dtsi @@ -10,6 +10,64 @@ model = "ST-Ericsson HREF (v60+) platform with Device Tree"; compatible = "st-ericsson,hrefv60+", "st-ericsson,u8500"; + thermal-zones { + chassis-thermal { + /* Poll every 20 seconds */ + polling-delay = <20000>; + /* Poll every 2nd second when cooling */ + polling-delay-passive = <2000>; + + thermal-sensors = <&therm1>, <&therm2>; + + /* Tripping points made from rough guess about operating conditions */ + trips { + chassis_alert: chassis-alert { + /* At 50 degrees take down the CPU frequency */ + temperature = <50000>; + hysteresis = <3000>; + type = "active"; + }; + chassis_crit: chassis-crit { + /* Just shut down at 70 degrees */ + temperature = <70000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + + /* Push down the operating frequency of the SoC when it gets hot */ + cooling-maps { + map0 { + trip = <&chassis_alert>; + cooling-device = <&CPU0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>; + contribution = <100>; + }; + }; + }; + }; + + /* + * Thermistors on the board, formally to monitor battery temperatures + * but what they measure is the board temperature. + */ + therm1: thermistor@0 { + compatible = "murata,ncp18wb473"; + io-channels = <&gpadc 0x06>; /* AUX1 */ + pullup-uv = <1800000>; + pullup-ohm = <220000>; + pulldown-ohm = <0>; + #thermal-sensor-cells = <0>; + }; + + therm2: thermistor@1 { + compatible = "murata,ncp18wb473"; + io-channels = <&gpadc 0x07>; /* AUX2 */ + pullup-uv = <1800000>; + pullup-ohm = <220000>; + pulldown-ohm = <0>; + #thermal-sensor-cells = <0>; + }; + soc { /* Name the GPIO muxed rails on the HREF boards */ gpio@8012e000 { @@ -132,16 +190,10 @@ }; // External Micro SD slot - sdi0_per1@80126000 { + mmc@80126000 { cd-gpios = <&gpio2 31 GPIO_ACTIVE_HIGH>; // 95 }; - vmmci: regulator-gpio { - gpios = <&gpio0 5 GPIO_ACTIVE_HIGH>; - enable-gpio = <&gpio5 9 GPIO_ACTIVE_HIGH>; - enable-active-high; - }; - pinctrl { /* * Set this up using hogs, as time goes by and as seems fit, these @@ -166,16 +218,6 @@ pins = "GPIO95_E8"; ste,config = <&gpio_in_pu>; }; - /* VMMCI level-shifter enable */ - default_hrefv60_cfg2 { - pins = "GPIO169_D22"; - ste,config = <&gpio_out_hi>; - }; - /* VMMCI level-shifter voltage select */ - default_hrefv60_cfg3 { - pins = "GPIO5_AG6"; - ste,config = <&gpio_out_hi>; - }; }; }; ipgpio { |