linux-kernel - [PATCH 4/4] arm64: dts: qcom: ipq5332: add support for the RDP474 variant

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Message-ID: <20230531135048.19164-5-quic_kathirav@quicinc.com>
Date:   Wed, 31 May 2023 19:20:48 +0530
From:   Kathiravan T <quic_kathirav@...cinc.com>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC:     Kathiravan T <quic_kathirav@...cinc.com>
Subject: [PATCH 4/4] arm64: dts: qcom: ipq5332: add support for the RDP474 variant

Add the initial device tree support for the Reference Design
Platform(RDP) 474 based on IPQ5332 family of SoC. This patch carries
the support for Console UART, eMMC, I2C and GPIO based buttons.

Signed-off-by: Kathiravan T <quic_kathirav@...cinc.com>
---
 arch/arm64/boot/dts/qcom/Makefile           |   1 +
 arch/arm64/boot/dts/qcom/ipq5332-rdp474.dts | 112 ++++++++++++++++++++
 2 files changed, 113 insertions(+)
 create mode 100644 arch/arm64/boot/dts/qcom/ipq5332-rdp474.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 4f9e81253e18..0f8c763a9bd9 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -7,6 +7,7 @@ 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-$(CONFIG_ARCH_QCOM)	+= ipq5332-rdp474.dtb
 dtb-$(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-rdp474.dts b/arch/arm64/boot/dts/qcom/ipq5332-rdp474.dts
new file mode 100644
index 000000000000..085729a0fdf1
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq5332-rdp474.dts
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * IPQ5332 RDP474 board device tree source
+ *
+ * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+#include "ipq5332.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IPQ5332 MI01.9";
+	compatible = "qcom,ipq5332-ap-mi01.9", "qcom,ipq5332";
+
+	aliases {
+		serial0 = &blsp1_uart0;
+	};
+
+	chosen {
+		stdout-path = "serial0";
+	};
+
+	gpio_keys {
+		compatible = "gpio-keys";
+		pinctrl-0 = <&gpio_keys_default>;
+		pinctrl-names = "default";
+
+		button-wps {
+			label = "wps";
+			linux,code = <KEY_WPS_BUTTON>;
+			gpios = <&tlmm 35 GPIO_ACTIVE_LOW>;
+			linux,input-type = <1>;
+			debounce-interval = <60>;
+		};
+	};
+};
+
+&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";
+};
+
+&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 {
+	gpio_keys_default: gpio-keys-default-state {
+		pins = "gpio35";
+		function = "gpio";
+		drive-strength = <8>;
+		bias-pull-up;
+	};
+
+	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;
+		};
+	};
+};
-- 
2.17.1