linux-kernel - [PATCH v2 1/3] arm64: dts: qcom: ipq9574: Add SPI nand support

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Message-ID: <20250306113357.126602-2-quic_mdalam@quicinc.com>
Date: Thu, 6 Mar 2025 17:03:55 +0530
From: Md Sadre Alam <quic_mdalam@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v2 1/3] arm64: dts: qcom: ipq9574: Add SPI nand support

Add SPI NAND support for ipq9574 SoC.

Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
---
Change in [v2]

* Added "qcom,bam-v1.7.4" compatible in qpic_bam node

* sorted qpic_bamd and qpic_nand entry in dt

Change in [v1] 

* Moved changes in ipq9574-rdp-common.dtsi to separate patch

* Prefixed zero for reg address in qpic_bam and qpic_nand

* For full change history, please refer to https://lore.kernel.org/linux-arm-msm/20241120091507.1404368-8-quic_mdalam@quicinc.com/
 arch/arm64/boot/dts/qcom/ipq9574.dtsi | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574.dtsi b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
index cac58352182e..819d6cdf4197 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574.dtsi
@@ -673,6 +673,33 @@ blsp1_spi4: spi@...9000 {
 			status = "disabled";
 		};
 
+		qpic_bam: dma-controller@...4000 {
+			compatible = "qcom,bam-v1.7.4", "qcom,bam-v1.7.0";
+			reg = <0x07984000 0x1c000>;
+			interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&gcc GCC_QPIC_AHB_CLK>;
+			clock-names = "bam_clk";
+			#dma-cells = <1>;
+			qcom,ee = <0>;
+			status = "disabled";
+		};
+
+		qpic_nand: spi@...0000 {
+			compatible = "qcom,ipq9574-snand";
+			reg = <0x079b0000 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&gcc GCC_QPIC_CLK>,
+				 <&gcc GCC_QPIC_AHB_CLK>,
+				 <&gcc GCC_QPIC_IO_MACRO_CLK>;
+			clock-names = "core", "aon", "iom";
+			dmas = <&qpic_bam 0>,
+			       <&qpic_bam 1>,
+			       <&qpic_bam 2>;
+			dma-names = "tx", "rx", "cmd";
+			status = "disabled";
+		};
+
 		usb_0_qusbphy: phy@...00 {
 			compatible = "qcom,ipq9574-qusb2-phy";
 			reg = <0x0007b000 0x180>;
-- 
2.34.1