linux-kernel - [PATCH v1 2/3] arm64: dts: qcom: ipq9574: Enable SPI NAND for ipq9574

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Message-ID: <20250224113742.2829545-3-quic_mdalam@quicinc.com>
Date: Mon, 24 Feb 2025 17:07:41 +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 v1 2/3] arm64: dts: qcom: ipq9574: Enable SPI NAND for ipq9574

Enable SPI NAND support for ipq9574 SoC.

Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
---
* Moved out ipq9574-rdp-common.dtsi changes into this patch from
  previous patch
---
 .../boot/dts/qcom/ipq9574-rdp-common.dtsi     | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
index ae12f069f26f..6d1e84301671 100644
--- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
@@ -139,6 +139,49 @@ gpio_leds_default: gpio-leds-default-state {
 		drive-strength = <8>;
 		bias-pull-up;
 	};
+
+	qpic_snand_default_state: qpic-snand-default-state {
+		clock-pins {
+			pins = "gpio5";
+			function = "qspi_clk";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		cs-pins {
+			pins = "gpio4";
+			function = "qspi_cs";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		data-pins {
+			pins = "gpio0", "gpio1", "gpio2", "gpio3";
+			function = "qspi_data";
+			drive-strength = <8>;
+			bias-disable;
+		};
+	};
+};
+
+&qpic_bam {
+	status = "okay";
+};
+
+&qpic_nand {
+	pinctrl-0 = <&qpic_snand_default_state>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash@0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		nand-ecc-engine = <&qpic_nand>;
+		nand-ecc-strength = <4>;
+		nand-ecc-step-size = <512>;
+	};
 };
 
 &usb_0_dwc3 {
-- 
2.34.1