ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes
authorKishon Vijay Abraham I <kishon@ti.com>
Tue, 28 Jan 2020 06:41:47 +0000 (12:11 +0530)
committerTony Lindgren <tony@atomide.com>
Wed, 26 Feb 2020 18:38:29 +0000 (10:38 -0800)
commit27f13774654ea6bd0b6fc9b97cce8d19e5735661
tree0404c56888015f31d402266651f042a925ae0d1a
parent00a39c92c8ab94727f021297d1748531af113fcd
ARM: dts: dra7: Add "dma-ranges" property to PCIe RC DT nodes

'dma-ranges' in a PCI bridge node does correctly set dma masks for PCI
devices not described in the DT. Certain DRA7 platforms (e.g., DRA76)
has RAM above 32-bit boundary (accessible with LPAE config) though the
PCIe bridge will be able to access only 32-bits. Add 'dma-ranges'
property in PCIe RC DT nodes to indicate the host bridge can access
only 32 bits.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
arch/arm/boot/dts/dra7.dtsi