129 lines
3.1 KiB
Diff
129 lines
3.1 KiB
Diff
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From f2965a337e9971f338d663fc5baa19d08865acad Mon Sep 17 00:00:00 2001
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From: Sergey Larin <cerg2010cerg2010@mail.ru>
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Date: Sat, 23 Feb 2019 21:03:21 +0300
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Subject: [PATCH] ARM: dts: tegra20-glide: Fix UART bindings
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Old UART bindings were broken. This commit also fixes
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Bluetooth and GPS (you will need a userspace tool to use it).
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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 | 87 ++++++++++++++++-------------
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1 file changed, 49 insertions(+), 38 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 f2b1805fc8cf..751c67924310 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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@@ -4,44 +4,6 @@
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#include <dt-bindings/input/input.h>
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#include "tegra20.dtsi"
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-// GPS
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-&uarta {
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- status = "okay";
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-
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- gnss {
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- // Actual chip is unknown
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- // (I don't want to teardown this thing)
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- compatible = "wi2wi,w2sg0084i";
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-
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- sirf,onoff-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
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- // reset GPIO: B2
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- // Also depends on this, but no way to specify it
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- clocks = <&tegra_car TEGRA20_CLK_BLINK>;
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- };
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-
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-};
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-
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-// Debug console
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-&uartb {
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- status = "okay";
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-};
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-
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-// Bluetooth
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-&uartc {
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- status = "okay";
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-
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- bluetooth {
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- // can be changed to 4330 in linux v5.0
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- compatible = "brcm,bcm43438-bt";
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- max-speed = <921600>;
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- shutdown-gpios = <&gpio TEGRA_GPIO(J, 5) GPIO_ACTIVE_HIGH>;
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- device-wakeup-gpios = <&gpio TEGRA_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
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- host-wakeup-gpios = <&gpio TEGRA_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
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- clock-names = "lpo";
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- clocks = <&tegra_car TEGRA20_CLK_BLINK>;
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- };
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-};
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-
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/ {
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model = "Samsung SGH-I927 Captivate Glide";
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compatible = "samsung,i927", "nvidia,tegra20";
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@@ -50,6 +12,8 @@
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rtc0 = "/i2c@7000d000/max8907@3c";
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rtc1 = "/rtc@7000e000";
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serial0 = &uartb;
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+ serial1 = &uarta;
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+ serial2 = &uartc;
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};
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chosen {
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@@ -478,6 +442,53 @@
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status = "okay";
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};
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+ // GPS
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+ serial@70006000 {
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+ compatible = "nvidia,tegra20-hsuart";
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+ status = "okay";
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+
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+ /*
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+ * Wakeup GPIO is needed for kernel driver to work,
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+ * but we don't have one... There's GPIO_GPS_CNTL in
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+ * original kernel, but it's not used.
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+ */
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+#if 0
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+ gnss {
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+ // Actual chip is unknown
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+ // (I don't want to teardown this thing)
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+ compatible = "wi2wi,w2sg0084i";
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+
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+ sirf,onoff-gpios = <&gpio TEGRA_GPIO(N, 6) GPIO_ACTIVE_HIGH>;
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+ // reset GPIO: B2
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+ // Also depends on this, but no way to specify it
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+ clocks = <&tegra_car TEGRA20_CLK_BLINK>;
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+ };
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+#endif
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+ };
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+
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+ // Debug console
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+ serial@70006040 {
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+ status = "okay";
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+ };
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+
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+ // Bluetooth
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+ serial@70006200 {
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+ compatible = "nvidia,tegra20-hsuart";
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+ status = "okay";
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+
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+ bluetooth {
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+ // can be changed to 4330 in linux v5.0
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+ compatible = "brcm,bcm43438-bt";
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+ max-speed = <921600>;
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+ shutdown-gpios = <&gpio TEGRA_GPIO(W, 1) GPIO_ACTIVE_HIGH>;
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+ device-wakeup-gpios = <&gpio TEGRA_GPIO(S, 1) GPIO_ACTIVE_HIGH>;
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+ host-wakeup-gpios = <&gpio TEGRA_GPIO(S, 2) GPIO_ACTIVE_HIGH>;
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+ clocks = <&tegra_car TEGRA20_CLK_UARTC>;
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+ clock-names = "uartc";
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+
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+ };
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+ };
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+
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serial@70006040 {
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status = "okay";
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};
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--
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2.20.1
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