ARM: dts: imx7s: add spba-bus abstraction
authorStefan Agner <stefan@agner.ch>
Tue, 27 Feb 2018 16:30:49 +0000 (17:30 +0100)
committerShawn Guo <shawnguo@kernel.org>
Wed, 28 Feb 2018 06:59:47 +0000 (14:59 +0800)
commit8efaff50f1a6dba74aa8a2a47dd5962fb098021b
tree85c79d1ad00e7ea0126d6e45a02e59cdc134db2e
parent2f953ee928f24bf05659331b7f220903dd1738fd
ARM: dts: imx7s: add spba-bus abstraction

According to the i.MX 7Solo/Dual Application Processor Reference
Manual the ECSPI1/2/3, UART1/2/3 and SAI1/2/3 peripherals are
connected through the SPBA bus. Other similar SoCs such as i.MX 6UL
add this bus abstraction. This adds the bus also to the i.MX 7
device tree.

The i.MX SDMA driver uses this abstraction to configure watermark
levels slightly differently, so this might change behavior slightly.
There have no issues been observed before or after the patch.

Signed-off-by: Stefan Agner <stefan@agner.ch>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
arch/arm/boot/dts/imx7s.dtsi