diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0755-overlays-gpio-shutdown-Add-information-for-Raspberry.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0755-overlays-gpio-shutdown-Add-information-for-Raspberry.patch | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0755-overlays-gpio-shutdown-Add-information-for-Raspberry.patch b/target/linux/bcm27xx/patches-5.4/950-0755-overlays-gpio-shutdown-Add-information-for-Raspberry.patch deleted file mode 100644 index 5bb6ee23ab..0000000000 --- a/target/linux/bcm27xx/patches-5.4/950-0755-overlays-gpio-shutdown-Add-information-for-Raspberry.patch +++ /dev/null @@ -1,62 +0,0 @@ -From 5f9fcc99c517a517e8d74ce001fc5bc2648f0e59 Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Pali=20Roh=C3=A1r?= <pali@kernel.org> -Date: Thu, 30 Apr 2020 19:41:10 +0200 -Subject: [PATCH] overlays: gpio-shutdown: Add information for - Raspberry Pi 1 Model B rev 1 - -Raspberry Pi 1 Model B rev 1 uses GPIO1 for power-up instead of GPIO3. ---- - arch/arm/boot/dts/overlays/README | 10 ++++++++-- - arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts | 6 ++++-- - 2 files changed, 12 insertions(+), 4 deletions(-) - ---- a/arch/arm/boot/dts/overlays/README -+++ b/arch/arm/boot/dts/overlays/README -@@ -883,9 +883,14 @@ Info: Initiates a shutdown when GPIO p - can be powered up again by driving GPIO3 low. The default - configuration uses GPIO3 with a pullup, so if you connect a - button between GPIO3 and GND (pin 5 and 6 on the 40-pin header), -- you get a shutdown and power-up button. -+ you get a shutdown and power-up button. Please note that -+ Raspberry Pi 1 Model B rev 1 uses GPIO1 instead of GPIO3. - Load: dtoverlay=gpio-shutdown,<param>=<val> - Params: gpio_pin GPIO pin to trigger on (default 3) -+ For Raspberry Pi 1 Model B rev 1 set this -+ explicitly to value 1, e.g.: -+ -+ dtoverlay=gpio-shutdown,gpio_pin=1 - - active_low When this is 1 (active low), a falling - edge generates a key down event and a -@@ -897,7 +902,8 @@ Params: gpio_pin GPIO pin - Default is "up". - - Note that the default pin (GPIO3) has an -- external pullup. -+ external pullup. Same applies for GPIO1 -+ on Raspberry Pi 1 Model B rev 1. - - debounce Specify the debounce interval in milliseconds - (default 100) ---- a/arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts -+++ b/arch/arm/boot/dts/overlays/gpio-shutdown-overlay.dts -@@ -4,7 +4,9 @@ - - // This overlay sets up an input device that generates KEY_POWER events - // when a given GPIO pin changes. It defaults to using GPIO3, which can --// also be used to wake up (start) the Rpi again after shutdown. Since -+// also be used to wake up (start) the Rpi again after shutdown. -+// Raspberry Pi 1 Model B rev 1 can be wake up only by GPIO1 pin, so for -+// these boards change default GPIO pin to 1 via gpio_pin parameter. Since - // wakeup is active-low, this defaults to active-low with a pullup - // enabled, but all of this can be changed using overlay parameters (but - // note that GPIO3 has an external pullup on at least some boards). -@@ -71,7 +73,7 @@ - - // Allow changing the internal pullup/down state. 0 = none, 1 = pulldown, 2 = pullup - // Note that GPIO3 and GPIO2 are the I2c pins and have an external pullup (at least -- // on some boards). -+ // on some boards). Same applies for GPIO1 on Raspberry Pi 1 Model B rev 1. - gpio_pull = <&pin_state>,"brcm,pull:0"; - - // Allow setting the active_low flag. 0 = active high, 1 = active low |