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0f7200c793
* The initial state of a series of patches for sunxi-5.17 tag orange-pi-5.17-20220323-1423 * DEBUG for sunxi-5.17 * Add Armbian patches to 5.17 * Fix duplicate nodes for sun50i-h5-orangepi-pc2 * Fix reg_ahci_5v to status okay for bananapro board * Remove an unused patch for an unsupported sun50i-h6-tanix-tx6 board
60 lines
1.5 KiB
Diff
60 lines
1.5 KiB
Diff
From fe15516466ced5e9aa71d71b44134833cab19ac4 Mon Sep 17 00:00:00 2001
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From: The-going <48602507+The-going@users.noreply.github.com>
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Date: Mon, 24 Jan 2022 18:23:18 +0300
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Subject: [PATCH 083/101] arm:dts: h3-orangepi-2 Add regulator vdd cpu
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---
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arch/arm/boot/dts/sun8i-h3-orangepi-2.dts | 29 +++++++++++++++++++++++
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1 file changed, 29 insertions(+)
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diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
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index 0347b763a..fcecfa037 100644
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--- a/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
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+++ b/arch/arm/boot/dts/sun8i-h3-orangepi-2.dts
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@@ -123,6 +123,10 @@ &de {
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status = "okay";
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};
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+&cpu0 {
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+ cpu-supply = <®_vdd_cpux>;
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+};
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+
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&ehci1 {
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status = "okay";
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};
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@@ -177,6 +181,31 @@ rtl8189: sdio_wifi@1 {
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};
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};
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+&r_i2c {
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+ status = "okay";
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+
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+ reg_vdd_cpux: regulator@65 {
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+ compatible = "silergy,sy8106a";
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+ reg = <0x65>;
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+ regulator-name = "vdd-cpux";
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+ silergy,fixed-microvolt = <1200000>;
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+ /*
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+ * The datasheet uses 1.1V as the minimum value of VDD-CPUX,
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+ * however both the Armbian DVFS table and the official one
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+ * have operating points with voltage under 1.1V, and both
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+ * DVFS table are known to work properly at the lowest
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+ * operating point.
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+ *
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+ * Use 1.0V as the minimum voltage instead.
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+ */
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+ regulator-min-microvolt = <1000000>;
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+ regulator-max-microvolt = <1400000>;
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+ regulator-ramp-delay = <200>;
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+ regulator-boot-on;
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+ regulator-always-on;
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+ };
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+};
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+
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®_usb1_vbus {
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gpio = <&pio 6 13 GPIO_ACTIVE_HIGH>;
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status = "okay";
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--
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2.31.1
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