cddd459140
Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
39 lines
1.1 KiB
Diff
39 lines
1.1 KiB
Diff
From bd7176b9cb91671b248fbdef0c65d2893fd78226 Mon Sep 17 00:00:00 2001
|
|
From: Richard Zhu <hongxing.zhu@nxp.com>
|
|
Date: Fri, 25 Jan 2019 18:02:22 +0800
|
|
Subject: [PATCH] dma: imx: add the 32bit dma limitation
|
|
|
|
Since the imx8qm/qxp hsio only supports up to 32bit
|
|
dma capability.
|
|
Add the 32bit dma limitation into dma binding document.
|
|
|
|
Signed-off-by: Richard Zhu <hongxing.zhu@nxp.com>
|
|
---
|
|
Documentation/devicetree/bindings/dma/fsl-imx-dma.txt | 15 +++++++++++++++
|
|
1 file changed, 15 insertions(+)
|
|
|
|
--- a/Documentation/devicetree/bindings/dma/fsl-imx-dma.txt
|
|
+++ b/Documentation/devicetree/bindings/dma/fsl-imx-dma.txt
|
|
@@ -16,6 +16,21 @@ Optional properties:
|
|
- #dma-channels : Number of DMA channels supported. Should be 16.
|
|
- #dma-requests : Number of DMA requests supported.
|
|
|
|
+* DMA capability limitation
|
|
+
|
|
+Specify the DMA capability limitations.
|
|
+For example, some SoCs only support up to 32bit DMA capability, although
|
|
+they are 64bit SoCs.
|
|
+
|
|
+- only-dma-mask32: 1 means that the SoCs only suppot up to 32bit DMA
|
|
+ capability.
|
|
+
|
|
+Example:
|
|
+ dma_cap: dma_cap {
|
|
+ compatible = "dma-capability";
|
|
+ only-dma-mask32 = <1>;
|
|
+ };
|
|
+
|
|
Example:
|
|
|
|
dma: dma@10001000 {
|