brcm2708: rename target to bcm27xx

[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.19 / 950-0149-BCM270X_DT-Add-gpio-fan-overlay.patch

diff --git a/target/linux/brcm2708/patches-4.19/950-0149-BCM270X_DT-Add-gpio-fan-overlay.patch b/target/linux/brcm2708/patches-4.19/950-0149-BCM270X_DT-Add-gpio-fan-overlay.patch
deleted file mode 100644 (file)
index f252490..0000000
--- a/target/linux/brcm2708/patches-4.19/950-0149-BCM270X_DT-Add-gpio-fan-overlay.patch
+++ /dev/null
@@ -1,114 +0,0 @@
-From 9762b3a015886c42941f535e688ffac1f56e35aa Mon Sep 17 00:00:00 2001
-From: Phil Elwell <phil@raspberrypi.org>
-Date: Tue, 18 Sep 2018 11:08:07 +0100
-Subject: [PATCH] BCM270X_DT: Add gpio-fan overlay
-
-Signed-off-by: Phil Elwell <phil@raspberrypi.org>
----
- arch/arm/boot/dts/overlays/Makefile           |  1 +
- arch/arm/boot/dts/overlays/README             |  8 +++
- .../boot/dts/overlays/gpio-fan-overlay.dts    | 71 +++++++++++++++++++
- 3 files changed, 80 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/gpio-fan-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -33,6 +33,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
-       fe-pi-audio.dtbo \
-       goodix.dtbo \
-       googlevoicehat-soundcard.dtbo \
-+      gpio-fan.dtbo \
-       gpio-ir.dtbo \
-       gpio-ir-tx.dtbo \
-       gpio-key.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -541,6 +541,14 @@ Load:   dtoverlay=googlevoicehat-soundca
- Params: <None>
- 
- 
-+Name:   gpio-fan
-+Info:   Configure a GPIO pin to control a cooling fan.
-+Load:   dtoverlay=gpio-fan,<param>=<val>
-+Params: gpiopin                 GPIO used to control the fan (default 12)
-+        temp                    Temperature at which the fan switches on, in
-+                                millicelcius (default 55000)
-+
-+
- Name:   gpio-ir
- Info:   Use GPIO pin as rc-core style infrared receiver input. The rc-core-
-         based gpio_ir_recv driver maps received keys directly to a
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/gpio-fan-overlay.dts
-@@ -0,0 +1,71 @@
-+/*
-+ * Overlay for the Raspberry Pi GPIO Fan @ BCM GPIO12.
-+ * Optional parameters:
-+ *    - "gpiopin"     - default GPIO12
-+ *    - "temp"        - default 55000
-+ * Requires:
-+ *    - kernel configurations: CONFIG_SENSORS_GPIO_FAN=m and CONFIG_SENSORS_PWM_FAN=m;
-+ *    - kernel rebuid;
-+ *    - DC Fan connected to GPIO via a N-MOSFET (2N7002)
-+ *
-+ *                   ┌─────────────────────┐
-+ *                   │Fan negative terminal│
-+ *                   └┬────────────────────┘
-+ *                    │
-+ *                 │──┘
-+ * [GPIO12]──────┤ │<─┐  2N7002
-+ *                 │──┤
-+ *                    │
-+ *                   ─┴─
-+ *                   GND
-+ *
-+ * sudo dtc -W no-unit_address_vs_reg -@ -I dts -O dtb -o /boot/overlays/gpio-fan.dtbo gpio-fan.dts
-+ * sudo nano /boot/config.txt add "dtoverlay=gpio-fan" or "dtoverlay=gpio-fan,gpiopin=12,temp=45000"
-+ * or
-+ * sudo sh -c "echo '\n# Enable PI GPIO-Fan\ndtoverlay=gpio-fan\n' >> /boot/config.txt"
-+ * sudo sh -c "echo '\n# Enable PI GPIO-Fan\ndtoverlay=gpio-fan,gpiopin=12\n' >> /boot/config.txt"
-+ *
-+ */
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+      compatible = "brcm,bcm2708";
-+
-+      fragment@0 {
-+              target-path = "/";
-+              __overlay__ {
-+                      fan0: gpio-fan@0 {
-+                              compatible = "gpio-fan";
-+                              gpios = <&gpio 12 1>;
-+                              gpio-fan,speed-map = <0    0>,
-+                                                                       <5000 1>;
-+                              #cooling-cells = <2>;
-+                      };
-+              };
-+      };
-+
-+      fragment@1 {
-+              target = <&cpu_thermal>;
-+              polling-delay = <2000>; /* milliseconds */
-+              __overlay__ {
-+                      trips {
-+                              cpu_hot: trip-point@0 {
-+                                      temperature = <55000>;  /* (millicelsius) Fan started at 55°C */
-+                                      hysteresis = <5000>;    /* (millicelsius) Fan stopped at 50°C */
-+                                      type = "active";
-+                              };
-+                      };
-+                      cooling-maps {
-+                              map0 {
-+                                      trip = <&cpu_hot>;
-+                                      cooling-device = <&fan0 1 1>;
-+                              };
-+                      };
-+              };
-+      };
-+      __overrides__ {
-+              gpiopin = <&fan0>,"gpios:4", <&fan0>,"brcm,pins:0";
-+              temp = <&cpu_hot>,"temperature:0";
-+      };
-+};