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From:   Kathiravan T <quic_kathirav@quicinc.com>
To:     <agross@kernel.org>, <andersson@kernel.org>,
        <konrad.dybcio@linaro.org>, <robh+dt@kernel.org>,
        <krzysztof.kozlowski+dt@linaro.org>,
        <linux-arm-msm@vger.kernel.org>, <devicetree@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
CC:     Kathiravan T <quic_kathirav@quicinc.com>
Subject: [PATCH 2/2] arm64: dts: qcom: ipq5332: add support for the RDP468 variant
Date:   Thu, 23 Mar 2023 10:19:29 +0530
Message-ID: <20230323044929.8694-3-quic_kathirav@quicinc.com>
In-Reply-To: <20230323044929.8694-1-quic_kathirav@quicinc.com>
References: <20230323044929.8694-1-quic_kathirav@quicinc.com>
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Add the initial device tree support for the Reference Design
Platform(RDP) 468 based on IPQ5332 family of SoCs. This patch carries the
support for Console UART, SPI NOR, eMMC.

Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
---
 arch/arm64/boot/dts/qcom/Makefile           |   1 +
 arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts | 103 ++++++++++++++++++++
 2 files changed, 104 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 1a29403400b7..79cf8373997f 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -4,6 +4,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= apq8094-sony-xperia-kitakami-karin_windy.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-db820c.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= apq8096-ifc6640.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-mi01.2.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c1.dtb
diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
new file mode 100644
index 000000000000..b2899f953aa4
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp468.dts
@@ -0,0 +1,103 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * IPQ5332 RDP468 board device tree source
+ *
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "ipq5332.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IPQ5332 MI01.6";
+	compatible = "qcom,ipq5332-ap-mi01.6", "qcom,ipq5332";
+
+	aliases {
+		serial0 = &blsp1_uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+};
+
+&blsp1_uart0 {
+	pinctrl-0 = <&serial_0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&blsp1_spi0 {
+	pinctrl-0 = <&spi_0_data_clk_pins &spi_0_cs_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+
+	flash@0 {
+		compatible = "micron,n25q128a11", "jedec,spi-nor";
+		#address-cells = <1>;
+		#size-cells = <1>;
+		reg = <0>;
+		spi-max-frequency = <50000000>;
+	};
+};
+
+&sdhc {
+	bus-width = <4>;
+	max-frequency = <192000000>;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	non-removable;
+	pinctrl-0 = <&sdc_default_state>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sleep_clk {
+	clock-frequency = <32000>;
+};
+
+&xo_board {
+	clock-frequency = <24000000>;
+};
+
+/* PINCTRL */
+
+&tlmm {
+	sdc_default_state: sdc-default-state {
+		clk-pins {
+			pins = "gpio13";
+			function = "sdc_clk";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		cmd-pins {
+			pins = "gpio12";
+			function = "sdc_cmd";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		data-pins {
+			pins = "gpio8", "gpio9", "gpio10", "gpio11";
+			function = "sdc_data";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+	};
+
+	spi_0_data_clk_pins: spi-0-data-clk-state {
+		pins = "gpio14", "gpio15", "gpio16";
+		function = "blsp0_spi";
+		drive-strength = <2>;
+		bias-pull-down;
+	};
+
+	spi_0_cs_pins: spi-0-cs-state {
+		pins = "gpio17";
+		function = "blsp0_spi";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
-- 
2.17.1