From cd5e41c79ee353cd30927fb4109b25c3538cab89 Mon Sep 17 00:00:00 2001 From: John Klug Date: Fri, 10 Sep 2021 10:35:52 -0500 Subject: Add DMA to GNSS and External Serial --- .../mtrv1/linux-4.9-mtrv1-device-tree.patch | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch b/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch index aceff84..e84e6ff 100644 --- a/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch +++ b/recipes-kernel/linux/linux-at91-4.9.87/mtrv1/linux-4.9-mtrv1-device-tree.patch @@ -1,7 +1,7 @@ -diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts linux-4.9.87/arch/arm/boot/dts/mtrv1.dts ---- linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts 1969-12-31 18:00:00.000000000 -0600 -+++ linux-4.9.87/arch/arm/boot/dts/mtrv1.dts 2021-08-24 10:07:06.962905202 -0500 -@@ -0,0 +1,286 @@ +diff -Naru orig/arch/arm/boot/dts/mtrv1.dts new/arch/arm/boot/dts/mtrv1.dts +--- orig/arch/arm/boot/dts/mtrv1.dts 1969-12-31 18:00:00.000000000 -0600 ++++ new/arch/arm/boot/dts/mtrv1.dts 2021-09-10 09:30:24.760466509 -0500 +@@ -0,0 +1,296 @@ +/* + * DTS file for Multi-Tech Systems MTRv1 Hardware + * @@ -283,10 +283,20 @@ diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts linux-4.9.87/arch/arm/b + +&uart0 { + status = "okay"; ++ atmel,use-dma-rx; ++ atmel,use-dma-tx; ++ dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(11)>, ++ <&dma0 1 (AT91_DMA_CFG_PER_ID(12) | AT91_DMA_CFG_FIFOCFG_ASAP)>; ++ dma-names = "tx", "rx"; +}; + +&usart3 { + status = "okay"; ++ atmel,use-dma-rx; ++ atmel,use-dma-tx; ++ dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(14)>, ++ <&dma0 1 (AT91_DMA_CFG_PER_ID(15) | AT91_DMA_CFG_FIFOCFG_ASAP)>; ++ dma-names = "tx", "rx"; +}; diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/at91sam9x5cm.dtsi linux-4.9.87/arch/arm/boot/dts/at91sam9x5cm.dtsi -- cgit v1.2.3