Commit d724794b authored by Ming-Fan Chen's avatar Ming-Fan Chen Committed by Joerg Roedel
Browse files

dt-bindings: mediatek: Add binding for MT6779 SMI 



This patch add description for MT6779 SMI.
There are GALS in smi-larb but without clock of GALS alone.

changelog since v2:
Add GALS for mt6779 in smi-common.txt

Signed-off-by: default avatarMing-Fan Chen <ming-fan.chen@mediatek.com>
Acked-by: default avatarRob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/1578465691-30692-3-git-send-email-ming-fan.chen@mediatek.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 397e18b4

Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt

+3 −2
Original line number Diff line number Diff line
@@ -5,7 +5,7 @@ The hardware block diagram please check bindings/iommu/mediatek,iommu.txt 
Mediatek SMI have two generations of HW architecture, here is the list

which generation the SoCs use:

generation 1: mt2701 and mt7623.

generation 2: mt2712, mt8173 and mt8183.

generation 2: mt2712, mt6779, mt8173 and mt8183.



There's slight differences between the two SMI, for generation 2, the

register which control the iommu port is at each larb's register base. But
@@ -18,6 +18,7 @@ Required properties: 
- compatible : must be one of :

	"mediatek,mt2701-smi-common"

	"mediatek,mt2712-smi-common"

	"mediatek,mt6779-smi-common"

	"mediatek,mt7623-smi-common", "mediatek,mt2701-smi-common"

	"mediatek,mt8173-smi-common"

	"mediatek,mt8183-smi-common"
@@ -35,7 +36,7 @@ Required properties: 
  and these 2 option clocks for generation 2 smi HW:

  - "gals0": the path0 clock of GALS(Global Async Local Sync).

  - "gals1": the path1 clock of GALS(Global Async Local Sync).

  Here is the list which has this GALS: mt8183.

  Here is the list which has this GALS: mt6779 and mt8183.



Example:

	smi_common: smi@14022000 {

Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt

+2 −1
Original line number Diff line number Diff line
@@ -6,6 +6,7 @@ Required properties: 
- compatible : must be one of :

		"mediatek,mt2701-smi-larb"

		"mediatek,mt2712-smi-larb"

		"mediatek,mt6779-smi-larb"

		"mediatek,mt7623-smi-larb", "mediatek,mt2701-smi-larb"

		"mediatek,mt8173-smi-larb"

		"mediatek,mt8183-smi-larb"
@@ -21,7 +22,7 @@ Required properties: 
  - "gals": the clock for GALS(Global Async Local Sync).

  Here is the list which has this GALS: mt8183.



Required property for mt2701, mt2712 and mt7623:

Required property for mt2701, mt2712, mt6779 and mt7623:

- mediatek,larb-id :the hardware id of this larb.



Example:

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