target/linux/bcm27xx/patches-5.4/950-0755-ARM-dts-Update-for-new-VCHIQ-BCM2711-DMA-support.patch

   1 From 79495a5ecdfba69de51e88701a69c42d09806d84 Mon Sep 17 00:00:00 2001
   2 From: Phil Elwell <phil@raspberrypi.com>
   3 Date: Wed, 20 May 2020 16:36:57 +0100
   4 Subject: [PATCH] ARM: dts: Update for new VCHIQ BCM2711 DMA support
   5
   6 Now that the enhanced BCM2711 DMA controller is located by compatible
   7 string and used directly for generating bulk transfer addresses,
   8 remove the workaround of moving the vchiq node.
   9
  10 Signed-off-by: Phil Elwell <phil@raspberrypi.com>
  11 ---
  12  arch/arm/boot/dts/bcm2711-rpi.dtsi | 23 ++++-------------------
  13  1 file changed, 4 insertions(+), 19 deletions(-)
  14
  15 --- a/arch/arm/boot/dts/bcm2711-rpi.dtsi
  16 +++ b/arch/arm/boot/dts/bcm2711-rpi.dtsi
  17 @@ -4,7 +4,6 @@
  18  / {
  19         soc {
  20                 /delete-node/ v3d@7ec00000;
  21 -               /delete-node/ mailbox@7e00b840;
  22         };
  23
  24         __overrides__ {
  25 @@ -88,12 +87,6 @@
  26                 brcm,dma-channel-mask = <0x7800>;
  27         };
  28
  29 -       vchiq: mailbox@7e00b840 {
  30 -               compatible = "brcm,bcm2711-vchiq";
  31 -               reg = <0 0x7e00b840  0x0 0x3c>;
  32 -               interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
  33 -       };
  34 -
  35         xhci: xhci@7e9c0000 {
  36                 compatible = "generic-xhci";
  37                 status = "disabled";
  38 @@ -127,18 +120,6 @@
  39         };
  40  };
  41
  42 -&vchiq {
  43 -       /* Onboard audio
  44 -        * This node is replicated because the original from bcm270x-rpi.dtsi
  45 -        * was deleted when the vchiq node was deleted above.
  46 -        */
  47 -       audio: bcm2835_audio {
  48 -               compatible = "brcm,bcm2835-audio";
  49 -               brcm,pwm-channels = <8>;
  50 -               status = "disabled";
  51 -       };
  52 -};
  53 -
  54  &dma {
  55         /* The VPU firmware uses DMA channel 11 for VCHIQ */
  56         brcm,dma-channel-mask = <0x1f5>;
  57 @@ -149,6 +130,10 @@
  58         brcm,dma-channel-mask = <0x7000>;
  59  };
  60
  61 +&vchiq {
  62 +       compatible = "brcm,bcm2711-vchiq";
  63 +};
  64 +
  65  &firmwarekms {
  66         interrupts = <GIC_SPI 112 IRQ_TYPE_LEVEL_HIGH>;
  67  };