5ccbcf999d
- OTG support - Charger - WiFi 5GHz - RTC bug "fixed" (always-on interrupt - made device overheat!) - Kernel version bumped to 5.2.1 - Memory timings - New WM8994 codec board driver (fixes suspend/resume) - Camera's regulator supported now (saves power at least!) - Updated panel driver (still not in mainline, idk why) - MHL support in kernel (fixes boot times and screen, currently disabled in X, not tested) - Other minor kernel chagnes [ci:skip-build]: already built successfully in CI
58 lines
1.9 KiB
Diff
58 lines
1.9 KiB
Diff
From 0675c1ad70a49437fe6711f7456dd14be29a9913 Mon Sep 17 00:00:00 2001
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From: Sergey Larin <cerg2010cerg2010@mail.ru>
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Date: Thu, 20 Jun 2019 20:22:08 +0300
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Subject: [PATCH] ARM: dts: tegra20-glide: Add binding for charger
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MAX8922 is compatible with MAX8903's driver, which is very flexible. So
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we use it to detect the cable insertion and control the charging.
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Signed-off-by: Sergey Larin <cerg2010cerg2010@mail.ru>
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---
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arch/arm/boot/dts/tegra20-glide.dts | 21 +++++++++++++++++++--
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1 file changed, 19 insertions(+), 2 deletions(-)
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diff --git a/arch/arm/boot/dts/tegra20-glide.dts b/arch/arm/boot/dts/tegra20-glide.dts
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index 90f2a6eb9d77..b8f3916ec35b 100644
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--- a/arch/arm/boot/dts/tegra20-glide.dts
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+++ b/arch/arm/boot/dts/tegra20-glide.dts
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@@ -853,8 +853,6 @@
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i2c-gpio,delay-us = <1>;
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#address-cells = <1>;
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#size-cells = <0>;
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- //interrupt-parent = <&gpio>;
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- //interrupts = <TEGRA_GPIO(I, 5) IRQ_TYPE_LEVEL_HIGH>;
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// Use 17040 as 17043 is compatible - no ALRT feature
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max17043@36 {
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@@ -862,9 +860,28 @@
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reg = <0x36>;
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interrupt-parent = <&gpio>;
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interrupts = <TEGRA_GPIO(I, 5) IRQ_TYPE_LEVEL_HIGH>;
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+ power-supplies = <&usb_ta_charger>;
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+ /* Fuel alert - not supported (for now?) */
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+ //interrupt-parent = <&gpio>;
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+ //interrupts = <TEGRA_GPIO(I, 5) IRQ_TYPE_LEVEL_HIGH>;
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};
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};
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+ usb_ta_charger: max8922-charger {
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+ compatible = "maxim,max8903";
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+ chg-gpios = <&stmpegpio 16 GPIO_ACTIVE_LOW>;
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+ cen-gpios = <&gpio TEGRA_GPIO(R, 3) GPIO_ACTIVE_HIGH>;
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+ uok-gpios = <&gpio TEGRA_GPIO(T, 0) GPIO_ACTIVE_HIGH>;
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+ /*
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+ * Original sources also use FSA9480 for USB charger
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+ * detection, but it's on extcon and not GPIO,
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+ * so skip it since dok (GPIO_TA_nCONNECTED) works fine.
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+ * (specified as uok since USB is detected)
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+ */
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+
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+ charger_supply: otg-vbus {};
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+ };
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+
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i2c@7 {
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compatible = "i2c-gpio";
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sda-gpios = <&gpio TEGRA_GPIO(O, 4) (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
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--
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2.22.0
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