From 45b4602efd7eb99d4a00a69eaf453cbc45c12a12 Mon Sep 17 00:00:00 2001 From: Mike Nicholson <Mike.Nicholson@multitech.com> Date: Thu, 7 Feb 2019 17:43:02 -0600 Subject: Add DMA to uart0, delete m25p80 --- .../mtrv1/linux-4.9-mtrv1-device-tree.patch | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) (limited to 'recipes-kernel/linux/linux-at91-4.9.87') 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 67046b7..aac6245 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 @@ -112,20 +112,20 @@ diff -Naru linux-4.9.87.orig/arch/arm/boot/dts/mtrv1.dts linux-4.9.87/arch/arm/b + dbgu: serial@fffff200 { + status = "okay"; + }; ++ ++ spi@f0000000 { ++ /delete-node/ m25p80@0; ++ }; + + /delete-node/ serial@f801c000; -+ /* -+ * atmel,use-dma causes the port to hang. -+ * atmel,use-dma is used for UARTS in -+ * the following files: -+ * at91-sama5d4_xplained_pda7b.dts -+ * at91-sama5d2_xplained_common.dtsi -+ * at91sam9260.dtsi -+ */ ++ + uart0: serial@f8040000 { + status = "okay"; -+ /delete-property/ atmel,use-dma-rx; -+ /delete-property/ atmel,use-dma-tx; ++ 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"; + }; + + usb2: gadget@f803c000 { -- cgit v1.2.3