From 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:46:07 +0000
Subject: [PATCH] add audio
---
kernel/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts | 22 ++++++++++++++++++----
1 files changed, 18 insertions(+), 4 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts b/kernel/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
index cfbdaac..1b435c6 100644
--- a/kernel/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
+++ b/kernel/arch/arm/boot/dts/bcm2835-rpi-b-plus.dts
@@ -9,12 +9,17 @@
compatible = "raspberrypi,model-b-plus", "brcm,bcm2835";
model = "Raspberry Pi Model B+";
+ memory@0 {
+ device_type = "memory";
+ reg = <0 0x20000000>;
+ };
+
leds {
- act {
+ led-act {
gpios = <&gpio 47 GPIO_ACTIVE_HIGH>;
};
- pwr {
+ led-pwr {
label = "PWR";
gpios = <&gpio 35 GPIO_ACTIVE_HIGH>;
default-state = "keep";
@@ -33,8 +38,8 @@
* "FOO" = GPIO line named "FOO" on the schematic
* "FOO_N" = GPIO line named "FOO" on schematic, active low
*/
- gpio-line-names = "SDA0",
- "SCL0",
+ gpio-line-names = "ID_SDA",
+ "ID_SCL",
"SDA1",
"SCL1",
"GPIO_GCLK",
@@ -101,6 +106,8 @@
&hdmi {
hpd-gpios = <&gpio 46 GPIO_ACTIVE_LOW>;
+ power-domains = <&power RPI_POWER_DOMAIN_HDMI>;
+ status = "okay";
};
&pwm {
@@ -109,6 +116,13 @@
status = "okay";
};
+&sdhost {
+ pinctrl-names = "default";
+ pinctrl-0 = <&sdhost_gpio48>;
+ bus-width = <4>;
+ status = "okay";
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_gpio14>;
--
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