ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

PATCH Superseded Nishanth Menon 3 participants 6 messages Jan 5, 2015 – Jan 8, 2015 Device tree bindings

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Nishanth Menon

author

2015-01-05 16:32 UTC #0 lore raw

PATCH v4 1/1 ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply a fan (such as AFB02505HHB) over J1 connector for various purposes. Provide device tree node to enable the same.

Signed-off-by Nishanth Menon <[email protected]>

---
V4: Change format of the speed-map used.
V3: https://patchwork.kernel.org/patch/5562121/
V2: https://patchwork.kernel.org/patch/5445111/
V1: https://patchwork.kernel.org/patch/5444911/

Enable and disable can be controlled by (post the RPM, it finds closest match - even a 1 will do)

echo '13000' > /sys/class/hwmon/hwmon0/fan1_target and
echo '0' > /sys/class/hwmon/hwmon0/fan1_target

Test log: http://slexy.org/view/s2T0ajh46z

requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational Applies on v3.19-rc1

 arch/arm/boot/dts/am57xx-beagle-x15.dts |   14 ++++++++++++++
 1 file changed, 14 insertions(+)

arch/arm/boot/dts/am57xx-beagle-x15.dts +14 -0

index 6c2e8e4..c5d4cea 100644
@@ -80,6 +80,14 @@
 			default-state = "off";
 		};
 	};
+
+	gpio_fan: gpio_fan {
+		/* Based on 5v 500mA AFB02505HHB */
+		compatible = "gpio-fan";
+		gpios =  <&tps659038_gpio 1 GPIO_ACTIVE_HIGH>;
+		gpio-fan,speed-map = <0     0>,
+				     <13000 1>;
+	};
 };
 
 &dra7_pmx_core {

@@ -394,6 +402,12 @@
 			wakeup-source;
 			ti,palmas-long-press-seconds = <12>;
 		};
+
+		tps659038_gpio: tps659038_gpio {
+			compatible = "ti,palmas-gpio";
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
 	};
 
 	tmp102: tmp102 at 48 {

Signature · 1 line

1.7.9.5

Felipe Balbi

2015-01-05 17:27 UTC #1 lore raw

PATCH v4 1/1 ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

Quoted 5 lines · Nishanth Menon

TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply a fan (such as AFB02505HHB) over J1 connector for various purposes. Provide device tree node to enable the same.
Signed-off-by Nishanth Menon <[email protected]>

have already reviewed this one previously:

Reviewed-by Felipe Balbi <[email protected]>

Quoted 60 lines

---
V4: Change format of the speed-map used.
V3: https://patchwork.kernel.org/patch/5562121/
V2: https://patchwork.kernel.org/patch/5445111/
V1: https://patchwork.kernel.org/patch/5444911/
Enable and disable can be controlled by (post the RPM, it finds closest match - even a 1 will do)
echo '13000' > /sys/class/hwmon/hwmon0/fan1_target and
echo '0' > /sys/class/hwmon/hwmon0/fan1_target
Test log: http://slexy.org/view/s2T0ajh46z
requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational Applies on v3.19-rc1
 arch/arm/boot/dts/am57xx-beagle-x15.dts |   14 ++++++++++++++
 1 file changed, 14 insertions(+)
arch/arm/boot/dts/am57xx-beagle-x15.dts +14 -0
index 6c2e8e4..c5d4cea 100644
@@ -80,6 +80,14 @@
 			default-state = "off";
 		};
 	};
+
+	gpio_fan: gpio_fan {
+		/* Based on 5v 500mA AFB02505HHB */
+		compatible = "gpio-fan";
+		gpios =  <&tps659038_gpio 1 GPIO_ACTIVE_HIGH>;
+		gpio-fan,speed-map = <0     0>,
+				     <13000 1>;
+	};
 };
 
 &dra7_pmx_core {
@@ -394,6 +402,12 @@
 			wakeup-source;
 			ti,palmas-long-press-seconds = <12>;
 		};
+
+		tps659038_gpio: tps659038_gpio {
+			compatible = "ti,palmas-gpio";
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
 	};
 
 	tmp102: tmp102 at 48 {
Signature · 6 lines
1.7.9.5

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Signature · 8 lines

balbi
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Tony Lindgren

2015-01-08 00:20 UTC #2 lore raw

PATCH v4 1/1 ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

Quoted 10 lines · Felipe Balbi

Quoted 5 lines · Nishanth Menon
TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply a fan (such as AFB02505HHB) over J1 connector for various purposes. Provide device tree node to enable the same.
Signed-off-by Nishanth Menon <[email protected]>
have already reviewed this one previously:
Reviewed-by Felipe Balbi <[email protected]>

Applying this into omap-for-v3.20/dt instead of the earlier version thanks.

Tony

Quoted 63 lines

Quoted 60 lines
---
V4: Change format of the speed-map used.
V3: https://patchwork.kernel.org/patch/5562121/
V2: https://patchwork.kernel.org/patch/5445111/
V1: https://patchwork.kernel.org/patch/5444911/
Enable and disable can be controlled by (post the RPM, it finds closest match - even a 1 will do)
echo '13000' > /sys/class/hwmon/hwmon0/fan1_target and
echo '0' > /sys/class/hwmon/hwmon0/fan1_target
Test log: http://slexy.org/view/s2T0ajh46z
requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational Applies on v3.19-rc1
 arch/arm/boot/dts/am57xx-beagle-x15.dts |   14 ++++++++++++++
 1 file changed, 14 insertions(+)
arch/arm/boot/dts/am57xx-beagle-x15.dts +14 -0
index 6c2e8e4..c5d4cea 100644
@@ -80,6 +80,14 @@
 			default-state = "off";
 		};
 	};
+
+	gpio_fan: gpio_fan {
+		/* Based on 5v 500mA AFB02505HHB */
+		compatible = "gpio-fan";
+		gpios =  <&tps659038_gpio 1 GPIO_ACTIVE_HIGH>;
+		gpio-fan,speed-map = <0     0>,
+				     <13000 1>;
+	};
 };
 
 &dra7_pmx_core {
@@ -394,6 +402,12 @@
 			wakeup-source;
 			ti,palmas-long-press-seconds = <12>;
 		};
+
+		tps659038_gpio: tps659038_gpio {
+			compatible = "ti,palmas-gpio";
+			gpio-controller;
+			#gpio-cells = <2>;
+		};
 	};
 
 	tmp102: tmp102 at 48 {
Signature · 6 lines
1.7.9.5

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Signature · 1 line
balbi

Felipe Balbi

2015-01-05 17:27 UTC #3 lore raw

PATCH v4 1/1 ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

In reply to Nishanth Menon

Quoted 14 lines · Nishanth Menon

TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply a fan (such as AFB02505HHB) over J1 connector for various purposes. Provide device tree node to enable the same.
Signed-off-by Nishanth Menon <[email protected]>
---
V4: Change format of the speed-map used.
V3: https://patchwork.kernel.org/patch/5562121/
V2: https://patchwork.kernel.org/patch/5445111/
V1: https://patchwork.kernel.org/patch/5444911/
Enable and disable can be controlled by (post the RPM, it finds closest match - even a 1 will do)

Quoted 7 lines

echo '13000' > /sys/class/hwmon/hwmon0/fan1_target and
echo '0' > /sys/class/hwmon/hwmon0/fan1_target
Test log: http://slexy.org/view/s2T0ajh46z
requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational

oh, perhaps add these as modules to omap2plus_defconfig ?

Signature · 8 lines

balbi
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Nishanth Menon

author

2015-01-05 17:33 UTC #4 lore raw

PATCH v4 1/1 ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

Quoted 19 lines · Felipe Balbi

Quoted 18 lines · Nishanth Menon
TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply a fan (such as AFB02505HHB) over J1 connector for various purposes. Provide device tree node to enable the same.
Signed-off-by Nishanth Menon <[email protected]>
---
V4: Change format of the speed-map used.
V3: https://patchwork.kernel.org/patch/5562121/
V2: https://patchwork.kernel.org/patch/5445111/
V1: https://patchwork.kernel.org/patch/5444911/
Enable and disable can be controlled by (post the RPM, it finds closest match - even a 1 will do)
echo '13000' > /sys/class/hwmon/hwmon0/fan1_target and
echo '0' > /sys/class/hwmon/hwmon0/fan1_target

Quoted 6 lines

Quoted 3 lines
Test log: http://slexy.org/view/s2T0ajh46z
requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational
oh, perhaps add these as modules to omap2plus_defconfig ?

In a different patch I suppose if Tony wants it that way.

Signature · 2 lines

Regards,
Nishanth Menon

Felipe Balbi

2015-01-05 17:45 UTC #5 lore raw

PATCH v4 1/1 ARM: dts: am57xx-beagle-x15: Add GPIO controlled fan node

Quoted 20 lines · Nishanth Menon

Quoted 19 lines · Felipe Balbi
Quoted 18 lines · Nishanth Menon
TPS gpio now controls a 5v 500mA TL5209 regulator which may be supply a fan (such as AFB02505HHB) over J1 connector for various purposes. Provide device tree node to enable the same.
Signed-off-by Nishanth Menon <[email protected]>
---
V4: Change format of the speed-map used.
V3: https://patchwork.kernel.org/patch/5562121/
V2: https://patchwork.kernel.org/patch/5445111/
V1: https://patchwork.kernel.org/patch/5444911/
Enable and disable can be controlled by (post the RPM, it finds closest match - even a 1 will do)
echo '13000' > /sys/class/hwmon/hwmon0/fan1_target and
echo '0' > /sys/class/hwmon/hwmon0/fan1_target

Quoted 8 lines

Quoted 6 lines
Quoted 3 lines
Test log: http://slexy.org/view/s2T0ajh46z
requires CONFIG_GPIO_PALMAS and CONFIG_SENSORS_GPIO_FAN to be operational
oh, perhaps add these as modules to omap2plus_defconfig ?
In a different patch I suppose if Tony wants it that way.

right, different patch :-)

Signature · 8 lines

balbi
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