mirror of
https://git.proxmox.com/git/mirror_ubuntu-kernels.git
synced 2025-12-25 07:06:47 +00:00
8a465494d6
Add the initial device tree support for the Reference Design Platform (RDP) 453 based on IPQ9574 family of SoCs. This patch adds support for Console UART, SPI NOR and SMPA1 regulator node. Signed-off-by: Devi Priya <quic_devipriy@quicinc.com> Signed-off-by: Bjorn Andersson <andersson@kernel.org> Link: https://lore.kernel.org/r/20230526153152.777-3-quic_devipriy@quicinc.com
81 lines
1.7 KiB
Plaintext
81 lines
1.7 KiB
Plaintext
// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
|
|
/*
|
|
* IPQ9574 RDP453 board device tree source
|
|
*
|
|
* Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
|
|
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
|
|
*/
|
|
|
|
/dts-v1/;
|
|
|
|
#include "ipq9574.dtsi"
|
|
|
|
/ {
|
|
model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C8";
|
|
compatible = "qcom,ipq9574-ap-al02-c8", "qcom,ipq9574";
|
|
|
|
aliases {
|
|
serial0 = &blsp1_uart2;
|
|
};
|
|
|
|
chosen {
|
|
stdout-path = "serial0:115200n8";
|
|
};
|
|
};
|
|
|
|
&blsp1_spi0 {
|
|
pinctrl-0 = <&spi_0_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>;
|
|
};
|
|
};
|
|
|
|
&blsp1_uart2 {
|
|
pinctrl-0 = <&uart2_pins>;
|
|
pinctrl-names = "default";
|
|
status = "okay";
|
|
};
|
|
|
|
&rpm_requests {
|
|
regulators {
|
|
compatible = "qcom,rpm-mp5496-regulators";
|
|
|
|
ipq9574_s1: s1 {
|
|
/*
|
|
* During kernel bootup, the SoC runs at 800MHz with 875mV set by the bootloaders.
|
|
* During regulator registration, kernel not knowing the initial voltage,
|
|
* considers it as zero and brings up the regulators with minimum supported voltage.
|
|
* Update the regulator-min-microvolt with SVS voltage of 725mV so that
|
|
* the regulators are brought up with 725mV which is sufficient for all the
|
|
* corner parts to operate at 800MHz
|
|
*/
|
|
regulator-min-microvolt = <725000>;
|
|
regulator-max-microvolt = <1075000>;
|
|
};
|
|
};
|
|
};
|
|
|
|
&sleep_clk {
|
|
clock-frequency = <32000>;
|
|
};
|
|
|
|
&tlmm {
|
|
spi_0_pins: spi-0-state {
|
|
pins = "gpio11", "gpio12", "gpio13", "gpio14";
|
|
function = "blsp0_spi";
|
|
drive-strength = <8>;
|
|
bias-disable;
|
|
};
|
|
};
|
|
|
|
&xo_board_clk {
|
|
clock-frequency = <24000000>;
|
|
};
|