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/exynos4210-origen.dts | 43 +++++++++++++++++++++++++++++++++++--------
1 files changed, 35 insertions(+), 8 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/exynos4210-origen.dts b/kernel/arch/arm/boot/dts/exynos4210-origen.dts
index dd9ec05..7d2cfba 100644
--- a/kernel/arch/arm/boot/dts/exynos4210-origen.dts
+++ b/kernel/arch/arm/boot/dts/exynos4210-origen.dts
@@ -30,8 +30,8 @@
};
chosen {
- bootargs ="root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M console=ttySAC2,115200 init=/linuxrc";
- stdout-path = &serial_2;
+ bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
+ stdout-path = "serial2:115200n8";
};
mmc_reg: voltage-regulator {
@@ -100,6 +100,13 @@
compatible = "samsung,clock-xusbxti";
clock-frequency = <24000000>;
};
+
+ pmic_ap_clk: pmic-ap-clk {
+ /* Workaround for missing clock on max8997 PMIC */
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <32768>;
+ };
};
display-timings {
@@ -122,6 +129,19 @@
cpu0-supply = <&buck1_reg>;
};
+&cpu_thermal {
+ cooling-maps {
+ map0 {
+ /* Corresponds to 800MHz */
+ cooling-device = <&cpu0 2 2>;
+ };
+ map1 {
+ /* Corresponds to 200MHz */
+ cooling-device = <&cpu0 4 4>;
+ };
+ };
+};
+
&exynos_usbphy {
status = "okay";
};
@@ -129,6 +149,11 @@
&fimd {
pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
pinctrl-names = "default";
+ status = "okay";
+};
+
+&gpu {
+ mali-supply = <&buck3_reg>;
status = "okay";
};
@@ -246,12 +271,7 @@
};
buck1_reg: BUCK1 {
- /*
- * HACK: The real name is VDD_ARM_1.2V,
- * but exynos-cpufreq does not support
- * DT-based regulator lookup yet.
- */
- regulator-name = "vdd_arm";
+ regulator-name = "VDD_ARM_1.2V";
regulator-min-microvolt = <950000>;
regulator-max-microvolt = <1350000>;
regulator-always-on;
@@ -284,6 +304,11 @@
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
+ regulator-always-on;
+ };
+
+ EN32KHZ_AP {
+ regulator-name = "EN32KHZ_AP";
regulator-always-on;
};
};
@@ -331,6 +356,8 @@
&rtc {
status = "okay";
+ clocks = <&clock CLK_RTC>, <&pmic_ap_clk>;
+ clock-names = "rtc", "rtc_src";
};
&tmu {
--
Gitblit v1.6.2