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From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: u.kleine-koenig@pengutronix.de
Cc: f.fainelli@gmail.com, linux-kernel@vger.kernel.org,
	linux-pwm@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	wahrenst@gmx.net, linux-input@vger.kernel.org,
	dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org,
	devel@driverdev.osuosl.org, p.zabel@pengutronix.de,
	linux-gpio@vger.kernel.org, linus.walleij@linaro.org,
	linux-clk@vger.kernel.org, sboyd@kernel.org,
	linux-rpi-kernel@lists.infradead.org, bgolaszewski@baylibre.com,
	andy.shevchenko@gmail.com,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support
Date: Fri, 12 Mar 2021 13:24:53 +0100	[thread overview]
Message-ID: <20210312122454.24480-11-nsaenzjulienne@suse.de> (raw)
In-Reply-To: <20210312122454.24480-1-nsaenzjulienne@suse.de>

This is an example on how to enable the fan on top of RPi's official PoE
hat.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 54 +++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 3b4ab947492a..6897c7831d09 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -5,6 +5,7 @@
 #include "bcm283x-rpi-usb-peripheral.dtsi"
 
 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
+#include <dt-bindings/pwm/raspberrypi,firmware-poe-pwm.h>
 
 / {
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
@@ -69,6 +70,54 @@ sd_vcc_reg: sd_vcc_reg {
 		enable-active-high;
 		gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
 	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		cooling-levels = <0 50 150 255>;
+		#cooling-cells = <2>;
+		pwms = <&fwpwm RASPBERRYPI_FIRMWARE_PWM_POE 80000>;
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			trips {
+				threshold: trip-point@0 {
+					temperature = <45000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+
+				target: trip-point@1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_hot: cpu_hot@0 {
+					temperature = <55000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&threshold>;
+					cooling-device = <&fan 0 1>;
+				};
+
+				map1 {
+					trip = <&target>;
+					cooling-device = <&fan 1 2>;
+				};
+
+				map2 {
+					trip = <&cpu_hot>;
+					cooling-device = <&fan 2 3>;
+				};
+			};
+		};
+	};
 };
 
 &ddc0 {
@@ -104,6 +153,11 @@ reset: reset {
 		compatible = "raspberrypi,firmware-reset";
 		#reset-cells = <1>;
 	};
+
+	fwpwm: pwm {
+		compatible = "raspberrypi,firmware-poe-pwm";
+		#pwm-cells = <2>;
+	};
 };
 
 &gpio {
-- 
2.30.1


WARNING: multiple messages have this Message-ID (diff)
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: u.kleine-koenig@pengutronix.de
Cc: devel@driverdev.osuosl.org, linux-pwm@vger.kernel.org,
	f.fainelli@gmail.com, devicetree@vger.kernel.org,
	sboyd@kernel.org, gregkh@linuxfoundation.org,
	linus.walleij@linaro.org, dmitry.torokhov@gmail.com,
	linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
	andy.shevchenko@gmail.com, bcm-kernel-feedback-list@broadcom.com,
	wahrenst@gmx.net, p.zabel@pengutronix.de,
	linux-input@vger.kernel.org,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>,
	bgolaszewski@baylibre.com, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-rpi-kernel@lists.infradead.org
Subject: [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support
Date: Fri, 12 Mar 2021 13:24:53 +0100	[thread overview]
Message-ID: <20210312122454.24480-11-nsaenzjulienne@suse.de> (raw)
In-Reply-To: <20210312122454.24480-1-nsaenzjulienne@suse.de>

This is an example on how to enable the fan on top of RPi's official PoE
hat.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 54 +++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 3b4ab947492a..6897c7831d09 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -5,6 +5,7 @@
 #include "bcm283x-rpi-usb-peripheral.dtsi"
 
 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
+#include <dt-bindings/pwm/raspberrypi,firmware-poe-pwm.h>
 
 / {
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
@@ -69,6 +70,54 @@ sd_vcc_reg: sd_vcc_reg {
 		enable-active-high;
 		gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
 	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		cooling-levels = <0 50 150 255>;
+		#cooling-cells = <2>;
+		pwms = <&fwpwm RASPBERRYPI_FIRMWARE_PWM_POE 80000>;
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			trips {
+				threshold: trip-point@0 {
+					temperature = <45000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+
+				target: trip-point@1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_hot: cpu_hot@0 {
+					temperature = <55000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&threshold>;
+					cooling-device = <&fan 0 1>;
+				};
+
+				map1 {
+					trip = <&target>;
+					cooling-device = <&fan 1 2>;
+				};
+
+				map2 {
+					trip = <&cpu_hot>;
+					cooling-device = <&fan 2 3>;
+				};
+			};
+		};
+	};
 };
 
 &ddc0 {
@@ -104,6 +153,11 @@ reset: reset {
 		compatible = "raspberrypi,firmware-reset";
 		#reset-cells = <1>;
 	};
+
+	fwpwm: pwm {
+		compatible = "raspberrypi,firmware-poe-pwm";
+		#pwm-cells = <2>;
+	};
 };
 
 &gpio {
-- 
2.30.1

_______________________________________________
devel mailing list
devel@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel

WARNING: multiple messages have this Message-ID (diff)
From: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
To: u.kleine-koenig@pengutronix.de
Cc: f.fainelli@gmail.com, linux-kernel@vger.kernel.org,
	linux-pwm@vger.kernel.org, bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	wahrenst@gmx.net, linux-input@vger.kernel.org,
	dmitry.torokhov@gmail.com, gregkh@linuxfoundation.org,
	devel@driverdev.osuosl.org, p.zabel@pengutronix.de,
	linux-gpio@vger.kernel.org, linus.walleij@linaro.org,
	linux-clk@vger.kernel.org, sboyd@kernel.org,
	linux-rpi-kernel@lists.infradead.org, bgolaszewski@baylibre.com,
	andy.shevchenko@gmail.com,
	Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Subject: [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support
Date: Fri, 12 Mar 2021 13:24:53 +0100	[thread overview]
Message-ID: <20210312122454.24480-11-nsaenzjulienne@suse.de> (raw)
In-Reply-To: <20210312122454.24480-1-nsaenzjulienne@suse.de>

This is an example on how to enable the fan on top of RPi's official PoE
hat.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts | 54 +++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)

diff --git a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
index 3b4ab947492a..6897c7831d09 100644
--- a/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
+++ b/arch/arm/boot/dts/bcm2711-rpi-4-b.dts
@@ -5,6 +5,7 @@
 #include "bcm283x-rpi-usb-peripheral.dtsi"
 
 #include <dt-bindings/reset/raspberrypi,firmware-reset.h>
+#include <dt-bindings/pwm/raspberrypi,firmware-poe-pwm.h>
 
 / {
 	compatible = "raspberrypi,4-model-b", "brcm,bcm2711";
@@ -69,6 +70,54 @@ sd_vcc_reg: sd_vcc_reg {
 		enable-active-high;
 		gpio = <&expgpio 6 GPIO_ACTIVE_HIGH>;
 	};
+
+	fan: pwm-fan {
+		compatible = "pwm-fan";
+		cooling-levels = <0 50 150 255>;
+		#cooling-cells = <2>;
+		pwms = <&fwpwm RASPBERRYPI_FIRMWARE_PWM_POE 80000>;
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			trips {
+				threshold: trip-point@0 {
+					temperature = <45000>;
+					hysteresis = <5000>;
+					type = "active";
+				};
+
+				target: trip-point@1 {
+					temperature = <50000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+
+				cpu_hot: cpu_hot@0 {
+					temperature = <55000>;
+					hysteresis = <2000>;
+					type = "active";
+				};
+			};
+
+			cooling-maps {
+				map0 {
+					trip = <&threshold>;
+					cooling-device = <&fan 0 1>;
+				};
+
+				map1 {
+					trip = <&target>;
+					cooling-device = <&fan 1 2>;
+				};
+
+				map2 {
+					trip = <&cpu_hot>;
+					cooling-device = <&fan 2 3>;
+				};
+			};
+		};
+	};
 };
 
 &ddc0 {
@@ -104,6 +153,11 @@ reset: reset {
 		compatible = "raspberrypi,firmware-reset";
 		#reset-cells = <1>;
 	};
+
+	fwpwm: pwm {
+		compatible = "raspberrypi,firmware-poe-pwm";
+		#pwm-cells = <2>;
+	};
 };
 
 &gpio {
-- 
2.30.1


_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2021-03-12 12:26 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-12 12:24 [PATCH v8 00/11] Raspberry Pi PoE HAT fan support Nicolas Saenz Julienne
2021-03-12 12:24 ` Nicolas Saenz Julienne
2021-03-12 12:24 ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 01/11] firmware: raspberrypi: Keep count of all consumers Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 02/11] firmware: raspberrypi: Introduce devm_rpi_firmware_get() Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 03/11] clk: bcm: rpi: Release firmware handle on unbind Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 04/11] gpio: raspberrypi-exp: " Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 05/11] reset: raspberrypi: " Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 06/11] soc: bcm: raspberrypi-power: " Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 07/11] staging: vchiq: " Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 08/11] input: raspberrypi-ts: Release firmware handle when not needed Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 09/11] dt-bindings: pwm: Add binding for RPi firmware PWM bus Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` Nicolas Saenz Julienne [this message]
2021-03-12 12:24   ` [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24 ` [PATCH v8 11/11] pwm: Add Raspberry Pi Firmware based PWM bus Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 12:24   ` Nicolas Saenz Julienne
2021-03-12 20:12   ` Uwe Kleine-König
2021-03-12 20:12     ` Uwe Kleine-König
2021-03-12 20:12     ` Uwe Kleine-König
2021-03-15 16:12     ` Nicolas Saenz Julienne
2021-03-15 16:12       ` Nicolas Saenz Julienne
2021-03-15 16:12       ` Nicolas Saenz Julienne
2021-03-22 11:56   ` Thierry Reding
2021-03-22 11:56     ` Thierry Reding
2021-03-22 11:56     ` Thierry Reding
2021-03-12 20:05 [PATCH v8 10/11] DO NOT MERGE: ARM: dts: Add RPi's official PoE hat support kernel test robot

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