From f1d33c902a1be727416fce3161db37a84d3f38d1 Mon Sep 17 00:00:00 2001
From: Kathiravan T <quic_kathirav@quicinc.com>
Date: Thu, 23 Mar 2023 15:01:20 +0530
Subject: [PATCH] arm64: dts: qcom: ipq5332: add support for the RDP468 variant

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>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230323093120.20558-3-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 79211b0e72fb4..e0e2def484705 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 0000000000000..3b6a5cb8bf07f
--- /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";
+		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 {
+	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;
+	};
+};
-- 
2.30.2