diff options
| author | Andrejs Cainikovs <andrejs.cainikovs@toradex.com> | 2023-10-24 10:57:19 +0200 |
|---|---|---|
| committer | Andrejs Cainikovs <andrejs.cainikovs@toradex.com> | 2023-10-24 11:02:55 +0200 |
| commit | b1956dcc3ec516bf45bf83f7432c59d925247bd5 (patch) | |
| tree | f19dcfe467825dd2b95e505b8dd7df2fa20572c8 | |
| parent | b49784d54dbdc8532fc87c163f951ebff3073701 (diff) | |
linux-toradex-mainline: patch: imx6-apalis: add can power-up delay on ixora board
Newer variants of Ixora boards require a power-up delay when powering up
the CAN transceiver of up to 1ms.
This patch adds mentioned delay for iMX6 Apalis SoM variants.
The series has been submitted upstream [1].
[1] https://lore.kernel.org/all/20231020153022.57858-3-andrejs.cainikovs@gmail.com/
Related-to: ELB-5224
Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
| -rw-r--r-- | recipes-kernel/linux/linux-toradex-mainline-git/0001-ARM-dts-imx6q-apalis-add-can-power-up-delay-on-ixora.patch | 39 | ||||
| -rw-r--r-- | recipes-kernel/linux/linux-toradex-mainline_git.bb | 1 |
2 files changed, 40 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-toradex-mainline-git/0001-ARM-dts-imx6q-apalis-add-can-power-up-delay-on-ixora.patch b/recipes-kernel/linux/linux-toradex-mainline-git/0001-ARM-dts-imx6q-apalis-add-can-power-up-delay-on-ixora.patch new file mode 100644 index 0000000..36a1211 --- /dev/null +++ b/recipes-kernel/linux/linux-toradex-mainline-git/0001-ARM-dts-imx6q-apalis-add-can-power-up-delay-on-ixora.patch @@ -0,0 +1,39 @@ +From 3a600c255abd328c69559f3756eafc824777676b Mon Sep 17 00:00:00 2001 +From: Andrejs Cainikovs <andrejs.cainikovs@toradex.com> +Date: Thu, 19 Oct 2023 17:30:02 +0200 +Subject: [PATCH] ARM: dts: imx6q-apalis: add can power-up delay on ixora board + +Newer variants of Ixora boards require a power-up delay when powering up +the CAN transceiver of up to 1ms. + +Upstream-Status: Submitted [https://lore.kernel.org/all/20231020153022.57858-3-andrejs.cainikovs@gmail.com/] + +Cc: stable@vger.kernel.org +Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com> +--- + arch/arm/boot/dts/imx6q-apalis-ixora-v1.2.dts | 2 ++ + 1 file changed, 2 insertions(+) + +diff --git a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.2.dts b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.2.dts +index 717decda0ceb..3ac7a4501620 100644 +--- a/arch/arm/boot/dts/imx6q-apalis-ixora-v1.2.dts ++++ b/arch/arm/boot/dts/imx6q-apalis-ixora-v1.2.dts +@@ -76,6 +76,7 @@ reg_can1_supply: regulator-can1-supply { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enable_can1_power>; + regulator-name = "can1_supply"; ++ startup-delay-us = <1000>; + }; + + reg_can2_supply: regulator-can2-supply { +@@ -85,6 +86,7 @@ reg_can2_supply: regulator-can2-supply { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_enable_can2_power>; + regulator-name = "can2_supply"; ++ startup-delay-us = <1000>; + }; + }; + +-- +2.34.1 + diff --git a/recipes-kernel/linux/linux-toradex-mainline_git.bb b/recipes-kernel/linux/linux-toradex-mainline_git.bb index 2ab8ffc..ff4a568 100644 --- a/recipes-kernel/linux/linux-toradex-mainline_git.bb +++ b/recipes-kernel/linux/linux-toradex-mainline_git.bb @@ -48,6 +48,7 @@ SRC_URI:append = " \ file://0002-power-reset-gpio-poweroff-use-sys-off-handler-API.patch \ file://0003-dt-bindings-power-reset-gpio-poweroff-Add-priority-p.patch \ file://0004-power-reset-gpio-poweroff-make-sys-handler-priority-.patch \ + file://0001-ARM-dts-imx6q-apalis-add-can-power-up-delay-on-ixora.patch \ " LINUX_VERSION ?= "6.1.55" |