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Date:   Sat, 8 Aug 2020 10:53:45 +0800
From:   Yongqiang Niu <yongqiang.niu@...iatek.com>
To:     CK Hu <ck.hu@...iatek.com>, Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Matthias Brugger <matthias.bgg@...il.com>
CC:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        Mark Rutland <mark.rutland@....com>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        Yongqiang Niu <yongqiang.niu@...iatek.com>
Subject: [RESEND v7, PATCH 1/7] dt-bindings: mediatek: add rdma_fifo_size description for mt8183 display

rdma fifo size may be different even in same SOC, add this
property to the corresponding rdma

Change-Id: I67635ec7f3f59cf4cbc7737285e5e28ff0ab71c9
Signed-off-by: Yongqiang Niu <yongqiang.niu@...iatek.com>
---
 .../devicetree/bindings/display/mediatek/mediatek,disp.txt | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
index b91e709..e6bbe32 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,disp.txt
@@ -66,6 +66,11 @@ Required properties (DMA function blocks):
   argument, see Documentation/devicetree/bindings/iommu/mediatek,iommu.txt
   for details.
 
+Optional properties (RDMA function blocks):
+- mediatek,rdma_fifo_size: rdma fifo size may be different even in same SOC, add this
+  property to the corresponding rdma
+  the value is the Max value which defined in hardware data sheet.
+
 Examples:
 
 mmsys: clock-controller@...00000 {
@@ -207,3 +212,12 @@ od@...23000 {
 	power-domains = <&scpsys MT8173_POWER_DOMAIN_MM>;
 	clocks = <&mmsys CLK_MM_DISP_OD>;
 };
+
+rdma1: rdma@...0c000 {
+	compatible = "mediatek,mt8183-disp-rdma";
+	reg = <0 0x1400c000 0 0x1000>;
+	interrupts = <GIC_SPI 229 IRQ_TYPE_LEVEL_LOW>;
+	power-domains = <&scpsys MT8183_POWER_DOMAIN_DISP>;
+	clocks = <&mmsys CLK_MM_DISP_RDMA1>;
+	mediatek,rdma_fifo_size = <2048>;
+};
-- 
1.8.1.1.dirty

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