diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-5.4/950-0431-ARM-dts-Move-audio-node-under-the-vchiq-parent.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-5.4/950-0431-ARM-dts-Move-audio-node-under-the-vchiq-parent.patch | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-5.4/950-0431-ARM-dts-Move-audio-node-under-the-vchiq-parent.patch b/target/linux/bcm27xx/patches-5.4/950-0431-ARM-dts-Move-audio-node-under-the-vchiq-parent.patch new file mode 100644 index 0000000000..b5e59e6464 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0431-ARM-dts-Move-audio-node-under-the-vchiq-parent.patch @@ -0,0 +1,79 @@ +From 6c5efcf09c40d37f72692fdbdf6d461abede20f1 Mon Sep 17 00:00:00 2001 +From: Phil Elwell <phil@raspberrypi.com> +Date: Mon, 3 Feb 2020 17:03:29 +0000 +Subject: [PATCH] ARM: dts: Move audio node under the vchiq parent + +VCHIQ kernel clients are now instantiated as platform drivers rather +than using DT, but the children of the vchiq device can optionally be +given a sub-node of the vchiq parent for configuration and to disable +them. + +Move the existing audio node beneath the vchiq parent, to prevent +multiple instantiation and unpleasant warnings. Note that the node +name has to match the module name - "bcm2835_audio". + +Signed-off-by: Phil Elwell <phil@raspberrypi.com> +--- + arch/arm/boot/dts/bcm270x-rpi.dtsi | 16 +++++++++------- + arch/arm/boot/dts/bcm2711-rpi.dtsi | 14 ++++++++++++++ + 2 files changed, 23 insertions(+), 7 deletions(-) + +--- a/arch/arm/boot/dts/bcm270x-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm270x-rpi.dtsi +@@ -70,13 +70,6 @@ + status = "okay"; + }; + +- /* Onboard audio */ +- audio: audio { +- compatible = "brcm,bcm2835-audio"; +- brcm,pwm-channels = <8>; +- status = "disabled"; +- }; +- + /* External sound card */ + sound: sound { + status = "disabled"; +@@ -137,3 +130,12 @@ + &vec { + status = "disabled"; + }; ++ ++&vchiq { ++ /* Onboard audio */ ++ audio: bcm2835_audio { ++ compatible = "brcm,bcm2835-audio"; ++ brcm,pwm-channels = <8>; ++ status = "disabled"; ++ }; ++}; +--- a/arch/arm/boot/dts/bcm2711-rpi.dtsi ++++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi +@@ -55,6 +55,8 @@ + compatible = "brcm,bcm2835-vc4"; + status = "disabled"; + }; ++ ++ /delete-node/ audio; + }; + + &scb { +@@ -160,6 +162,18 @@ + }; + }; + ++&vchiq { ++ /* Onboard audio ++ * This node is replicated because the original from bcm270x-rpi.dtsi ++ * was deleted when the vchiq node was deleted above. ++ */ ++ audio: bcm2835_audio { ++ compatible = "brcm,bcm2835-audio"; ++ brcm,pwm-channels = <8>; ++ status = "disabled"; ++ }; ++}; ++ + &dma { + /* The VPU firmware uses DMA channel 11 for VCHIQ */ + brcm,dma-channel-mask = <0x1f5>; |