From 50a212ec906f7524620675f0c57357691c26c81f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 16 Oct 2024 01:20:19 +0000
Subject: [PATCH] 修改GPIO导出默认初始值
---
kernel/arch/arm/boot/dts/gemini-dlink-dir-685.dts | 180 +++++++++++++++++++++++++++++++++++++++++------------------
1 files changed, 124 insertions(+), 56 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/kernel/arch/arm/boot/dts/gemini-dlink-dir-685.dts
index 15d6157..cc39289 100644
--- a/kernel/arch/arm/boot/dts/gemini-dlink-dir-685.dts
+++ b/kernel/arch/arm/boot/dts/gemini-dlink-dir-685.dts
@@ -20,7 +20,7 @@
};
chosen {
- bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait";
+ bootargs = "console=ttyS0,19200n8 root=/dev/sda1 rw rootwait consoleblank=300";
stdout-path = "uart0:19200n8";
};
@@ -28,7 +28,7 @@
compatible = "gpio-keys";
button-esc {
- debounce-interval = <50>;
+ debounce-interval = <100>;
wakeup-source;
linux,code = <KEY_ESC>;
label = "reset";
@@ -36,7 +36,7 @@
gpios = <&gpio0 8 GPIO_ACTIVE_LOW>;
};
button-eject {
- debounce-interval = <50>;
+ debounce-interval = <100>;
wakeup-source;
linux,code = <KEY_EJECTCD>;
label = "unmount";
@@ -64,7 +64,6 @@
gpio-sck = <&gpio1 5 GPIO_ACTIVE_HIGH>;
gpio-miso = <&gpio1 8 GPIO_ACTIVE_HIGH>;
gpio-mosi = <&gpio1 7 GPIO_ACTIVE_HIGH>;
- /* Collides with pflash CE1, not so cool */
cs-gpios = <&gpio0 20 GPIO_ACTIVE_LOW>;
num-chipselects = <1>;
@@ -73,7 +72,6 @@
reg = <0>;
/* 50 ns min period = 20 MHz */
spi-max-frequency = <20000000>;
- spi-cpol; /* Clock active low */
vcc-supply = <&vdisp>;
iovcc-supply = <&vdisp>;
vci-supply = <&vdisp>;
@@ -121,18 +119,50 @@
/*
* This is a Sunon Maglev GM0502PFV2-8 cooling fan @10000 RPM.
- * Since the platform has no temperature sensor, this is controlled
- * from userspace by using the hard disks S.M.A.R.T. temperature
* sensor. It is turned on when the temperature exceeds 46 degrees
* and turned off when the temperatures goes below 41 degrees
* (celsius).
*/
- gpio-fan {
+ fan0: gpio-fan {
compatible = "gpio-fan";
/* Collides with IDE */
gpios = <&gpio1 6 GPIO_ACTIVE_HIGH>;
gpio-fan,speed-map = <0 0>, <10000 1>;
#cooling-cells = <2>;
+ };
+
+ thermal-zones {
+ chassis-thermal {
+ /* Poll every 20 seconds */
+ polling-delay = <20000>;
+ /* Poll every 2nd second when cooling */
+ polling-delay-passive = <2000>;
+ /* Use the thermal sensor in the hard drive */
+ thermal-sensors = <&drive0>;
+
+ /* Tripping points from the fan.script in the rootfs */
+ trips {
+ alert: chassis-alert {
+ /* At 43 degrees turn on the fan */
+ temperature = <43000>;
+ hysteresis = <3000>;
+ type = "active";
+ };
+ crit: chassis-crit {
+ /* Just shut down at 60 degrees */
+ temperature = <60000>;
+ hysteresis = <2000>;
+ type = "critical";
+ };
+ };
+
+ cooling-maps {
+ map0 {
+ trip = <&alert>;
+ cooling-device = <&fan0 1 1>;
+ };
+ };
+ };
};
/*
@@ -253,56 +283,65 @@
soc {
flash@30000000 {
/*
- * Flash access is by default disabled, because it
- * collides with the Chip Enable signal for the display
- * panel, that reuse the parallel flash Chip Select 1
- * (CS1). Enabling flash makes graphics stop working.
- *
- * We might be able to hack around this by letting
- * GPIO poke around in the flash controller registers.
+ * Flash access collides with the Chip Enable signal for
+ * the display panel, that reuse the parallel flash Chip
+ * Select 1 (CS1). We switch the pin control state so we
+ * enable these pins for flash access only when we need
+ * then, and when disabled they can be used for GPIO which
+ * is what the display panel needs.
*/
- /* status = "okay"; */
+ status = "okay";
+ pinctrl-names = "enabled", "disabled";
+ pinctrl-0 = <&pflash_default_pins>;
+ pinctrl-1 = <&pflash_disabled_pins>;
+
/* 32MB of flash */
reg = <0x30000000 0x02000000>;
- /*
- * This "RedBoot" is the Storlink derivative.
- */
- partition@0 {
- label = "RedBoot";
- reg = <0x00000000 0x00040000>;
- read-only;
- };
- /*
- * This firmware image contains the kernel catenated
- * with the squashfs root filesystem. For some reason
- * this is called "upgrade" on the vendor system.
- */
- partition@40000 {
- label = "upgrade";
- reg = <0x00040000 0x01f40000>;
- read-only;
- };
- /* RGDB, Residental Gateway Database? */
- partition@1f80000 {
- label = "rgdb";
- reg = <0x01f80000 0x00040000>;
- read-only;
- };
- /*
- * This partition contains MAC addresses for WAN,
- * WLAN and LAN, and the country code (for wireless
- * I guess).
- */
- partition@1fc0000 {
- label = "nvram";
- reg = <0x01fc0000 0x00020000>;
- read-only;
- };
- partition@1fe0000 {
- label = "LangPack";
- reg = <0x01fe0000 0x00020000>;
- read-only;
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ /*
+ * This "RedBoot" is the Storlink derivative.
+ */
+ partition@0 {
+ label = "RedBoot";
+ reg = <0x00000000 0x00040000>;
+ read-only;
+ };
+ /*
+ * This firmware image contains the kernel catenated
+ * with the squashfs root filesystem. For some reason
+ * this is called "upgrade" on the vendor system.
+ */
+ partition@40000 {
+ label = "upgrade";
+ reg = <0x00040000 0x01f40000>;
+ read-only;
+ };
+ /* RGDB, Residental Gateway Database? */
+ partition@1f80000 {
+ label = "rgdb";
+ reg = <0x01f80000 0x00040000>;
+ read-only;
+ };
+ /*
+ * This partition contains MAC addresses for WAN,
+ * WLAN and LAN, and the country code (for wireless
+ * I guess).
+ */
+ partition@1fc0000 {
+ label = "nvram";
+ reg = <0x01fc0000 0x00020000>;
+ read-only;
+ };
+ partition@1fe0000 {
+ label = "LangPack";
+ reg = <0x01fe0000 0x00020000>;
+ read-only;
+ };
};
};
@@ -327,7 +366,6 @@
"gpio0cgrp",
"gpio0egrp",
"gpio0fgrp",
- "gpio0ggrp",
"gpio0hgrp";
};
};
@@ -340,6 +378,18 @@
mux {
function = "gpio1";
groups = "gpio1bgrp";
+ };
+ };
+ /*
+ * These GPIO groups will be mapped in over some
+ * of the flash pins when the flash is not in
+ * active use.
+ */
+ pflash_disabled_pins: pinctrl-pflash-disabled {
+ mux {
+ function = "gpio0";
+ groups = "gpio0ggrp", "gpio0igrp", "gpio0jgrp",
+ "gpio0kgrp";
};
};
pinctrl-gmii {
@@ -425,8 +475,18 @@
};
};
- ata@63000000 {
+ ide@63000000 {
status = "okay";
+
+ /*
+ * This drive may have a temperature sensor with a
+ * thermal zone we can use for thermal control of the
+ * chassis temperature using the fan.
+ */
+ drive0: ide-port@0 {
+ reg = <0>;
+ #thermal-sensor-cells = <0>;
+ };
};
display-controller@6a000000 {
@@ -439,5 +499,13 @@
};
};
};
+
+ usb@68000000 {
+ status = "okay";
+ };
+
+ usb@69000000 {
+ status = "okay";
+ };
};
};
--
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