diff options
| author | Devi Priya <quic_devipriy@quicinc.com> | 2023-05-16 19:20:13 +0530 |
|---|---|---|
| committer | Bjorn Andersson <andersson@kernel.org> | 2023-05-26 12:28:19 -0700 |
| commit | aa261f13dae60850be30de95c7eb6ffb6059a6b7 (patch) | |
| tree | 832201af1dcbebb40ffe6e09db3ba5a91d51c96e | |
| parent | 2e4cd263b97d0254e6bbd88b2feb4df6c4a9ad0d (diff) | |
arm64: dts: qcom: ipq9574: add support for RDP449 variant
Add the initial device tree support for the Reference Design Platform (RDP)
449 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>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230516135013.3547-3-quic_devipriy@quicinc.com
| -rw-r--r-- | arch/arm64/boot/dts/qcom/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts | 80 |
2 files changed, 81 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile index 75dce9455c9e..78dedf9f69fe 100644 --- a/arch/arm64/boot/dts/qcom/Makefile +++ b/arch/arm64/boot/dts/qcom/Makefile @@ -12,6 +12,7 @@ dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c1.dtb dtb-$(CONFIG_ARCH_QCOM) += ipq8074-hk10-c2.dtb dtb-$(CONFIG_ARCH_QCOM) += ipq9574-rdp418.dtb dtb-$(CONFIG_ARCH_QCOM) += ipq9574-rdp433.dtb +dtb-$(CONFIG_ARCH_QCOM) += ipq9574-rdp449.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8916-acer-a1-724.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8916-alcatel-idol347.dtb dtb-$(CONFIG_ARCH_QCOM) += msm8916-asus-z00l.dtb diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts new file mode 100644 index 000000000000..c8fa54e1a62c --- /dev/null +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp449.dts @@ -0,0 +1,80 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause) +/* + * IPQ9574 RDP449 board device tree source + * + * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved. + * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved. + */ + +/dts-v1/; + +#include "ipq9574.dtsi" + +/ { + model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C6"; + compatible = "qcom,ipq9574-ap-al02-c6", "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>; +}; |