From 8e61744de4d34162467b0b3e49aa9de8bf817180 Mon Sep 17 00:00:00 2001 From: Chen-Yu Tsai Date: Fri, 22 Jan 2021 00:23:19 +0800 Subject: dt-bindings: arm: rockchip: Add FriendlyARM NanoPi M4B The NanoPi M4B is a minor revision of the original M4. The differences against the original Nanopi M4 that are common with the other M4V2 revision include: - microphone header removed - power button added - recovery button added Additional changes specific to the M4B: - USB 3.0 hub removed; board now has 2x USB 3.0 type-A ports and 2x USB 2.0 ports - ADB toggle switch added; this changes the top USB 3.0 host port to a peripheral port - Type-C port no longer supports data or PD - WiFi/Bluetooth combo chip switched to AP6256, which supports BT 5.0 but only 1T1R (down from 2T2R) for WiFi Add a compatible string for the new board revision. Link: https://lore.kernel.org/r/20210121162321.4538-3-wens@kernel.org Signed-off-by: Chen-Yu Tsai Signed-off-by: Lorenzo Pieralisi Signed-off-by: Bjorn Helgaas Acked-by: Rob Herring --- Documentation/devicetree/bindings/arm/rockchip.yaml | 1 + 1 file changed, 1 insertion(+) (limited to 'Documentation/devicetree/bindings') diff --git a/Documentation/devicetree/bindings/arm/rockchip.yaml b/Documentation/devicetree/bindings/arm/rockchip.yaml index ef4544ad6f82..773fd4c531ed 100644 --- a/Documentation/devicetree/bindings/arm/rockchip.yaml +++ b/Documentation/devicetree/bindings/arm/rockchip.yaml @@ -132,6 +132,7 @@ properties: - enum: - friendlyarm,nanopc-t4 - friendlyarm,nanopi-m4 + - friendlyarm,nanopi-m4b - friendlyarm,nanopi-neo4 - const: rockchip,rk3399 -- cgit v1.2.3