1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3 1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
2 /* 2 /*
3 * IPQ9574 RDP454 board device tree source 3 * IPQ9574 RDP454 board device tree source
4 * 4 *
5 * Copyright (c) 2020-2021 The Linux Foundatio 5 * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
6 * Copyright (c) 2022-2023 Qualcomm Innovation 6 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
7 */ 7 */
8 8
9 /dts-v1/; 9 /dts-v1/;
10 10
11 #include "ipq9574-rdp-common.dtsi" !! 11 #include "ipq9574.dtsi"
12 12
13 / { 13 / {
14 model = "Qualcomm Technologies, Inc. I 14 model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C9";
15 compatible = "qcom,ipq9574-ap-al02-c9" 15 compatible = "qcom,ipq9574-ap-al02-c9", "qcom,ipq9574";
>> 16
>> 17 aliases {
>> 18 serial0 = &blsp1_uart2;
>> 19 };
>> 20
>> 21 chosen {
>> 22 stdout-path = "serial0:115200n8";
>> 23 };
>> 24 };
>> 25
>> 26 &blsp1_spi0 {
>> 27 pinctrl-0 = <&spi_0_pins>;
>> 28 pinctrl-names = "default";
>> 29 status = "okay";
>> 30
>> 31 flash@0 {
>> 32 compatible = "micron,n25q128a11", "jedec,spi-nor";
>> 33 reg = <0>;
>> 34 #address-cells = <1>;
>> 35 #size-cells = <1>;
>> 36 spi-max-frequency = <50000000>;
>> 37 };
>> 38 };
>> 39
>> 40 &blsp1_uart2 {
>> 41 pinctrl-0 = <&uart2_pins>;
>> 42 pinctrl-names = "default";
>> 43 status = "okay";
>> 44 };
>> 45
>> 46 &rpm_requests {
>> 47 regulators {
>> 48 compatible = "qcom,rpm-mp5496-regulators";
>> 49
>> 50 ipq9574_s1: s1 {
>> 51 /*
>> 52 * During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
>> 53 * During regulator registration, kernel not knowing the initial voltage,
>> 54 * considers it as zero and brings up the regulators with minimum supported voltage.
>> 55 * Update the regulator-min-microvolt with SVS voltage of 725mV so that
>> 56 * the regulators are brought up with 725mV which is sufficient for all the
>> 57 * corner parts to operate at 800MHz
>> 58 */
>> 59 regulator-min-microvolt = <725000>;
>> 60 regulator-max-microvolt = <1075000>;
>> 61 };
>> 62 };
>> 63 };
>> 64
>> 65 &sleep_clk {
>> 66 clock-frequency = <32000>;
>> 67 };
>> 68
>> 69 &tlmm {
>> 70 spi_0_pins: spi-0-state {
>> 71 pins = "gpio11", "gpio12", "gpio13", "gpio14";
>> 72 function = "blsp0_spi";
>> 73 drive-strength = <8>;
>> 74 bias-disable;
>> 75 };
>> 76 };
>> 77
>> 78 &xo_board_clk {
>> 79 clock-frequency = <24000000>;
16 }; 80 };
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