linux-kernel - [RFC PATCH 1/4] dt-bindings: mdm9615: Add ADM DMA engine

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Message-ID: <1482436482-29129-2-git-send-email-zmarkovic@sierrawireless.com>
Date:   Thu, 22 Dec 2016 11:54:39 -0800
From:   Zoran Markovic <zmarkovic@...rrawireless.com>
To:     <linux-kernel@...r.kernel.org>
CC:     Zoran Markovic <zmarkovic@...rrawireless.com>
Subject: [RFC PATCH 1/4] dt-bindings: mdm9615: Add ADM DMA engine

Add configuration for ADM DMA engine on MDM9615, used by the EBI2
NAND controller. This commit requires the ADM DMA patches from
Andy Gross:
https://lwn.net/Articles/636881/

Signed-off-by: Zoran Markovic <zmarkovic@...rrawireless.com>

---
 arch/arm/boot/dts/qcom-mdm9615.dtsi |   19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/qcom-mdm9615.dtsi b/arch/arm/boot/dts/qcom-mdm9615.dtsi
index 5ae4ec5..fbc7d68 100644
--- a/arch/arm/boot/dts/qcom-mdm9615.dtsi
+++ b/arch/arm/boot/dts/qcom-mdm9615.dtsi
@@ -336,7 +336,24 @@
 			};
 		};
 
-		sdcc1bam: dma@...82000{
+		adm_dma: dma@...00000 {
+			compatible = "qcom,adm";
+			reg = <0x18300000 0x100000>;
+			interrupts = <0 170 0>;
+			#dma-cells = <1>;
+
+			clocks = <&gcc ADM0_CLK>, <&gcc ADM0_PBUS_CLK>;
+			clock-names = "core", "iface";
+
+			resets = <&gcc ADM0_RESET>,
+				 <&gcc ADM0_C0_RESET>,
+				 <&gcc ADM0_C1_RESET>,
+				 <&gcc ADM0_C2_RESET>;
+			reset-names = "clk", "c0", "c1", "c2";
+			qcom,ee = <0>;
+		};
+
+		sdcc1bam:dma@...82000{
 			compatible = "qcom,bam-v1.3.0";
 			reg = <0x12182000 0x8000>;
 			interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
-- 
1.7.9.5