Add the initial device tree support for the Reference Design
Platform(RDP) 442 based on IPQ5332 family of SoC. This patch carries
the support for Console UART, SPI NOR, eMMC and I2C.

Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
---
 arch/arm64/boot/dts/qcom/Makefile           |   1 +
 arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts | 117 ++++++++++++++++++++
 2 files changed, 118 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index d42c59572ace..79a4f1cebcbf 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-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp442.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp468.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq6018-cp01-c1.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
diff --git a/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
new file mode 100644
index 000000000000..bcf3b31c20e3
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts
@@ -0,0 +1,117 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * IPQ5332 RDP442 board device tree source
+ *
+ * Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include "ipq5332.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IPQ5332 MI01.3";
+	compatible = "qcom,ipq5332-ap-mi01.3", "qcom,ipq5332";
+
+	aliases {
+		serial0 = &blsp1_uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+};
+
+&blsp1_uart0 {
+	pinctrl-0 = <&serial_0_pins>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&blsp1_i2c1 {
+	clock-frequency  = <400000>;
+	pinctrl-0 = <&i2c_1_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";
+		reg = <0>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		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 {
+	i2c_1_pins: i2c-1-state {
+		pins = "gpio29", "gpio30";
+		function = "blsp1_i2c0";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
+	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

On 09/05/2023 18:01, Kathiravan T wrote:
> Add the initial device tree support for the Reference Design
> Platform(RDP) 442 based on IPQ5332 family of SoC. This patch carries
> the support for Console UART, SPI NOR, eMMC and I2C.
> 
> Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
> ---
>  arch/arm64/boot/dts/qcom/Makefile           |   1 +
>  arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts | 117 ++++++++++++++++++++
>  2 files changed, 118 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-rdp442.dts

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof