From: Matthew McClintock <mmcclint@codeaurora.org>
Date: Wed, 23 Mar 2016 22:05:12 +0000 (-0500)
Subject: qcom: ipq4019: add DMA nodes to ipq4019 SoC and DK01 device tree
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=9ca595f08e021972e6113dacf06b247a71e09530;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

qcom: ipq4019: add DMA nodes to ipq4019 SoC and DK01 device tree

This adds the blsp_dma node to the device tree and the required
properties for using DMA with serial

Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
---

diff --git a/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi b/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
index 2c347ad8faab..b9457dd21a69 100644
--- a/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
@@ -72,6 +72,10 @@
 			};
 		};
 
+		blsp_dma: dma@7884000 {
+			status = "ok";
+		};
+
 		spi_0: spi@78b5000 {
 			pinctrl-0 = <&spi_0_pins>;
 			pinctrl-names = "default";
diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
index 3cd42c04421b..5c08d19066c2 100644
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi
@@ -123,6 +123,17 @@
 			interrupts = <0 208 0>;
 		};
 
+		blsp_dma: dma@7884000 {
+			compatible = "qcom,bam-v1.7.0";
+			reg = <0x07884000 0x23000>;
+			interrupts = <GIC_SPI 238 IRQ_TYPE_NONE>;
+			clocks = <&gcc GCC_BLSP1_AHB_CLK>;
+			clock-names = "bam_clk";
+			#dma-cells = <1>;
+			qcom,ee = <0>;
+			status = "disabled";
+		};
+
 		spi_0: spi@78b5000 {
 			compatible = "qcom,spi-qup-v2.2.1";
 			reg = <0x78b5000 0x600>;
@@ -224,6 +235,8 @@
 			clocks = <&gcc GCC_BLSP1_UART1_APPS_CLK>,
 				<&gcc GCC_BLSP1_AHB_CLK>;
 			clock-names = "core", "iface";
+			dmas = <&blsp_dma 1>, <&blsp_dma 0>;
+			dma-names = "rx", "tx";
 		};
 
 		serial@78b0000 {
@@ -234,6 +247,8 @@
 			clocks = <&gcc GCC_BLSP1_UART2_APPS_CLK>,
 				<&gcc GCC_BLSP1_AHB_CLK>;
 			clock-names = "core", "iface";
+			dmas = <&blsp_dma 3>, <&blsp_dma 2>;
+			dma-names = "rx", "tx";
 		};
 
 		watchdog@b017000 {