linux-kernel - [PATCH V2 1/1] arm64: dts: ipq6018: Add the QPIC peripheral nodes

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Date:   Wed,  4 Nov 2020 22:04:13 +0530
From:   Kathiravan T <kathirav@...eaurora.org>
To:     agross@...nel.org, miquel.raynal@...tlin.com, richard@....at,
        vigneshr@...com, robh+dt@...nel.org, sivaprak@...eaurora.org,
        peter.ujfalusi@...com, boris.brezillon@...labora.com,
        linux-arm-msm@...r.kernel.org, linux-mtd@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     kathirav@...eaurora.org,
        Anusha Canchi Ramachandra Rao <anusharao@...eaurora.org>
Subject: [PATCH V2 1/1] arm64: dts: ipq6018: Add the QPIC peripheral nodes

Add the QPIC BAM and QPIC NAND controller support and
enable the same in board DTS file.

Co-developed-by: Anusha Canchi Ramachandra Rao <anusharao@...eaurora.org>
Signed-off-by: Anusha Canchi Ramachandra Rao <anusharao@...eaurora.org>
Signed-off-by: Kathiravan T <kathirav@...eaurora.org>
---
 arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts | 16 ++++++++
 arch/arm64/boot/dts/qcom/ipq6018.dtsi        | 41 ++++++++++++++++++++
 2 files changed, 57 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts
index e8eaa958c199..99cefe88f6f2 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts
+++ b/arch/arm64/boot/dts/qcom/ipq6018-cp01-c1.dts
@@ -62,3 +62,19 @@ spi_0_pins: spi-0-pins {
 		bias-pull-down;
 	};
 };
+
+&qpic_bam {
+	status = "okay";
+};
+
+&qpic_nand {
+	status = "okay";
+
+	nand@0 {
+		reg = <0>;
+
+		nand-ecc-strength = <4>;
+		nand-ecc-step-size = <512>;
+		nand-bus-width = <8>;
+	};
+};
diff --git a/arch/arm64/boot/dts/qcom/ipq6018.dtsi b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
index 1aa8d8579463..6b13e390ee29 100644
--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -173,6 +173,17 @@ serial_3_pins: serial3-pinmux {
 				drive-strength = <8>;
 				bias-pull-down;
 			};
+
+			qpic_pins: qpic-pins {
+				pins = "gpio1", "gpio3", "gpio4",
+					"gpio5", "gpio6", "gpio7",
+					"gpio8", "gpio10", "gpio11",
+					"gpio12", "gpio13", "gpio14",
+					"gpio15", "gpio17";
+				function = "qpic_pad";
+				drive-strength = <8>;
+				bias-disable;
+			};
 		};
 
 		gcc: gcc@...0000 {
@@ -274,6 +285,36 @@ i2c_1: i2c@...7000 { /* BLSP1 QUP2 */
 			status = "disabled";
 		};
 
+		qpic_bam: dma@...4000 {
+			compatible = "qcom,bam-v1.7.0";
+			reg = <0x07984000 0x1a000>;
+			interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_QPIC_CLK>,
+				 <&gcc GCC_QPIC_AHB_CLK>;
+			clock-names = "iface_clk", "bam_clk";
+			#dma-cells = <1>;
+			qcom,ee = <0>;
+			status = "disabled";
+		};
+
+		qpic_nand: nand@...0000 {
+			compatible = "qcom,ipq6018-nand";
+			reg = <0x079b0000 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&gcc GCC_QPIC_CLK>,
+				 <&gcc GCC_QPIC_AHB_CLK>;
+			clock-names = "core", "aon";
+
+			dmas = <&qpic_bam 0>,
+				<&qpic_bam 1>,
+				<&qpic_bam 2>;
+			dma-names = "tx", "rx", "cmd";
+			pinctrl-0 = <&qpic_pins>;
+			pinctrl-names = "default";
+			status = "disabled";
+		};
+
 		intc: interrupt-controller@...0000 {
 			compatible = "qcom,msm-qgic2";
 			interrupt-controller;
-- 
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