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authorOlof Johansson <olof@lixom.net>2018-07-26 22:06:14 +0200
committerOlof Johansson <olof@lixom.net>2018-07-26 22:06:14 +0200
commitc1c0f486d96663b309aedc537319118b06c79378 (patch)
treeb4403847746af374ce9de2d2b83be6ccf07ec46a /Documentation
parentMerge tag 'v4.18-next-dts32' of https://git.kernel.org/pub/scm/linux/kernel/g... (diff)
parentarm64: dts: Add Mediatek X20 Development Board support (diff)
downloadlinux-c1c0f486d96663b309aedc537319118b06c79378.tar.xz
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Merge tag 'v4.18-next-dts64' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux into next/dt
- mt7622: - add EINT support - add gpio-ranges property to pinctrl - add earlycon to rfb1 to find boot errros more easily - fix uart clock - add iommu and smi bindings - mt6797: - add support for the 96 board x20 development board - fix cooling-cells of mt7622 and mt8173 * tag 'v4.18-next-dts64' of https://git.kernel.org/pub/scm/linux/kernel/git/matthias.bgg/linux: arm64: dts: Add Mediatek X20 Development Board support dt-bindings: arm: mediatek: Document Mediatek X20 Development Board dt-bindings: mediatek: Add binding for mt2712 IOMMU and SMI arm64: dts: mt7622: update a clock property for UART0 arm64: dts: mt7622: add earlycon to mt7622-rfb1 board arm64: dts: mt7622: use gpio-ranges to pinctrl device arm64: dts: mediatek: Add missing cooling device properties for CPUs arm64: dts: mt7622: add EINT support to pinctrl Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/arm/mediatek.txt3
-rw-r--r--Documentation/devicetree/bindings/iommu/mediatek,iommu.txt6
-rw-r--r--Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt6
-rw-r--r--Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt5
4 files changed, 14 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/arm/mediatek.txt b/Documentation/devicetree/bindings/arm/mediatek.txt
index c07ddf4b7819..b7cc1b888942 100644
--- a/Documentation/devicetree/bindings/arm/mediatek.txt
+++ b/Documentation/devicetree/bindings/arm/mediatek.txt
@@ -47,6 +47,9 @@ Supported boards:
- Evaluation board for MT6797(Helio X20):
Required root node properties:
- compatible = "mediatek,mt6797-evb", "mediatek,mt6797";
+- Mediatek X20 Development Board:
+ Required root node properties:
+ - compatible = "archermind,mt6797-x20-dev", "mediatek,mt6797";
- Reference board variant 1 for MT7622:
Required root node properties:
- compatible = "mediatek,mt7622-rfb1", "mediatek,mt7622";
diff --git a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
index 53c20cae309f..df5db732138d 100644
--- a/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
+++ b/Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
@@ -40,6 +40,7 @@ video decode local arbiter, all these ports are according to the video HW.
Required properties:
- compatible : must be one of the following string:
"mediatek,mt2701-m4u" for mt2701 which uses generation one m4u HW.
+ "mediatek,mt2712-m4u" for mt2712 which uses generation two m4u HW.
"mediatek,mt8173-m4u" for mt8173 which uses generation two m4u HW.
- reg : m4u register base and size.
- interrupts : the interrupt of m4u.
@@ -50,8 +51,9 @@ Required properties:
according to the local arbiter index, like larb0, larb1, larb2...
- iommu-cells : must be 1. This is the mtk_m4u_id according to the HW.
Specifies the mtk_m4u_id as defined in
- dt-binding/memory/mt2701-larb-port.h for mt2701 and
- dt-binding/memory/mt8173-larb-port.h for mt8173
+ dt-binding/memory/mt2701-larb-port.h for mt2701,
+ dt-binding/memory/mt2712-larb-port.h for mt2712, and
+ dt-binding/memory/mt8173-larb-port.h for mt8173.
Example:
iommu: iommu@10205000 {
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
index aa614b2d7cab..615abdd0eb0d 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-common.txt
@@ -2,8 +2,9 @@ SMI (Smart Multimedia Interface) Common
The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
-Mediatek SMI have two generations of HW architecture, mt8173 uses the second
-generation of SMI HW while mt2701 uses the first generation HW of SMI.
+Mediatek SMI have two generations of HW architecture, mt2712 and mt8173 use
+the second generation of SMI HW while mt2701 uses the first generation HW of
+SMI.
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
@@ -15,6 +16,7 @@ not needed for SMI generation 2.
Required properties:
- compatible : must be one of :
"mediatek,mt2701-smi-common"
+ "mediatek,mt2712-smi-common"
"mediatek,mt8173-smi-common"
- reg : the register and size of the SMI block.
- power-domains : a phandle to the power domain of this local arbiter.
diff --git a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
index ddf46b8856a5..083155cdc2a0 100644
--- a/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
+++ b/Documentation/devicetree/bindings/memory-controllers/mediatek,smi-larb.txt
@@ -4,8 +4,9 @@ The hardware block diagram please check bindings/iommu/mediatek,iommu.txt
Required properties:
- compatible : must be one of :
- "mediatek,mt8173-smi-larb"
"mediatek,mt2701-smi-larb"
+ "mediatek,mt2712-smi-larb"
+ "mediatek,mt8173-smi-larb"
- reg : the register and size of this local arbiter.
- mediatek,smi : a phandle to the smi_common node.
- power-domains : a phandle to the power domain of this local arbiter.
@@ -15,7 +16,7 @@ Required properties:
the register.
- "smi" : It's the clock for transfer data and command.
-Required property for mt2701:
+Required property for mt2701 and mt2712:
- mediatek,larb-id :the hardware id of this larb.
Example: