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5b6bca812d
Refresh pending patches for kernel 6.6. Signed-off-by: Daniel Golle <daniel@makrotopia.org> Signed-off-by: Weijie Gao <hackpascal@gmail.com>
44 lines
1.4 KiB
Diff
44 lines
1.4 KiB
Diff
From d0562705bcd4cb9849156f095b2af0ec1bb53b56 Mon Sep 17 00:00:00 2001
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From: Lech Perczak <lech.perczak@gmail.com>
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Date: Fri, 17 Nov 2023 21:33:04 +0100
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Subject: [PATCH] ARM: dts: nxp: imx7d-pico: add cpu-supply nodes
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The PICO-IMX7D SoM has the usual power supply configuration using
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output sw1a of PF3000 PMIC, which was defined in downstream derivative
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of linux-imx (see link) in the sources for "Android Things" devkit.
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It is required to support CPU frequency scaling.
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Map the respective "cpu-supply" nodes of each core to sw1a of the PMIC.
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Enabling them causes cpufreq-dt, and imx-thermal drivers to probe
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successfully, and CPU frequency scaling to function.
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Link: https://android.googlesource.com/platform/hardware/bsp/kernel/nxp/imx-v4.1/+/o-iot-preview-5/arch/arm/boot/dts/imx7d-pico.dtsi#849
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Cc: Fabio Estevam <festevam@gmail.com>
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Cc: Shawn Guo <shawnguo@kernel.org>
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Cc: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Lech Perczak <lech.perczak@gmail.com>
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---
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arch/arm/boot/dts/imx7d-pico.dtsi | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi
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+++ b/arch/arm/boot/dts/nxp/imx/imx7d-pico.dtsi
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@@ -108,6 +108,14 @@
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assigned-clock-rates = <0>, <32768>;
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};
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+&cpu0 {
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+ cpu-supply = <&sw1a_reg>;
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+};
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+
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+&cpu1 {
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+ cpu-supply = <&sw1a_reg>;
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+};
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+
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&ecspi3 {
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cs-gpios = <&gpio4 11 GPIO_ACTIVE_LOW>;
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pinctrl-names = "default";
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