pmaports/device/testing/linux-samsung-i927/0047-ARM-dts-tegra20-glide-Add-binding-for-charger.patch
Oliver Smith 64035ac463
device/*: move to device/testing/* (!1063)
Prepare for better device categorization by moving everything to testing
subdir first.

[skip-ci]: chicken-egg problem: passing pmaports CI depends on pmbootstrap MR
				depends on this MR

Related: postmarketos#16
2020-03-14 08:35:32 +01:00

58 lines
1.9 KiB
Diff

From 0675c1ad70a49437fe6711f7456dd14be29a9913 Mon Sep 17 00:00:00 2001
From: Sergey Larin <cerg2010cerg2010@mail.ru>
Date: Thu, 20 Jun 2019 20:22:08 +0300
Subject: [PATCH] ARM: dts: tegra20-glide: Add binding for charger
MAX8922 is compatible with MAX8903's driver, which is very flexible. So
we use it to detect the cable insertion and control the charging.
Signed-off-by: Sergey Larin <cerg2010cerg2010@mail.ru>
---
arch/arm/boot/dts/tegra20-glide.dts | 21 +++++++++++++++++++--
1 file changed, 19 insertions(+), 2 deletions(-)
diff --git a/arch/arm/boot/dts/tegra20-glide.dts b/arch/arm/boot/dts/tegra20-glide.dts
index 90f2a6eb9d77..b8f3916ec35b 100644
--- a/arch/arm/boot/dts/tegra20-glide.dts
+++ b/arch/arm/boot/dts/tegra20-glide.dts
@@ -853,8 +853,6 @@
i2c-gpio,delay-us = <1>;
#address-cells = <1>;
#size-cells = <0>;
- //interrupt-parent = <&gpio>;
- //interrupts = <TEGRA_GPIO(I, 5) IRQ_TYPE_LEVEL_HIGH>;
// Use 17040 as 17043 is compatible - no ALRT feature
max17043@36 {
@@ -862,9 +860,28 @@
reg = <0x36>;
interrupt-parent = <&gpio>;
interrupts = <TEGRA_GPIO(I, 5) IRQ_TYPE_LEVEL_HIGH>;
+ power-supplies = <&usb_ta_charger>;
+ /* Fuel alert - not supported (for now?) */
+ //interrupt-parent = <&gpio>;
+ //interrupts = <TEGRA_GPIO(I, 5) IRQ_TYPE_LEVEL_HIGH>;
};
};
+ usb_ta_charger: max8922-charger {
+ compatible = "maxim,max8903";
+ chg-gpios = <&stmpegpio 16 GPIO_ACTIVE_LOW>;
+ cen-gpios = <&gpio TEGRA_GPIO(R, 3) GPIO_ACTIVE_HIGH>;
+ uok-gpios = <&gpio TEGRA_GPIO(T, 0) GPIO_ACTIVE_HIGH>;
+ /*
+ * Original sources also use FSA9480 for USB charger
+ * detection, but it's on extcon and not GPIO,
+ * so skip it since dok (GPIO_TA_nCONNECTED) works fine.
+ * (specified as uok since USB is detected)
+ */
+
+ charger_supply: otg-vbus {};
+ };
+
i2c@7 {
compatible = "i2c-gpio";
sda-gpios = <&gpio TEGRA_GPIO(O, 4) (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
--
2.22.0