From 645e752c5a84baeb21015cdc85fc05b7d16312c8 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 01:13:52 +0000
Subject: [PATCH] disable i2c1
---
kernel/arch/arm/boot/dts/bcm283x.dtsi | 208 ++++++---------------------------------------------
1 files changed, 26 insertions(+), 182 deletions(-)
diff --git a/kernel/arch/arm/boot/dts/bcm283x.dtsi b/kernel/arch/arm/boot/dts/bcm283x.dtsi
index f9add51..ffdf7c4 100644
--- a/kernel/arch/arm/boot/dts/bcm283x.dtsi
+++ b/kernel/arch/arm/boot/dts/bcm283x.dtsi
@@ -3,6 +3,7 @@
#include <dt-bindings/clock/bcm2835-aux.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/soc/bcm2835-pm.h>
/* firmware-provided startup stubs live here, where the secondary CPUs are
* spinning.
@@ -17,7 +18,6 @@
/ {
compatible = "brcm,bcm2835";
model = "BCM2835";
- interrupt-parent = <&intc>;
#address-cells = <1>;
#size-cells = <1>;
@@ -30,12 +30,23 @@
stdout-path = "serial0:115200n8";
};
+ rmem: reserved-memory {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ cma: linux,cma {
+ compatible = "shared-dma-pool";
+ size = <0x4000000>; /* 64MB */
+ reusable;
+ linux,cma-default;
+ };
+ };
+
thermal-zones {
cpu_thermal: cpu-thermal {
polling-delay-passive = <0>;
polling-delay = <1000>;
-
- thermal-sensors = <&thermal>;
trips {
cpu-crit {
@@ -55,7 +66,7 @@
#address-cells = <1>;
#size-cells = <1>;
- timer@7e003000 {
+ system_timer: timer@7e003000 {
compatible = "brcm,bcm2835-system-timer";
reg = <0x7e003000 0x1000>;
interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
@@ -66,63 +77,10 @@
clock-frequency = <1000000>;
};
- txp@7e004000 {
+ txp: txp@7e004000 {
compatible = "brcm,bcm2835-txp";
reg = <0x7e004000 0x20>;
interrupts = <1 11>;
- };
-
- dma: dma@7e007000 {
- compatible = "brcm,bcm2835-dma";
- reg = <0x7e007000 0xf00>;
- interrupts = <1 16>,
- <1 17>,
- <1 18>,
- <1 19>,
- <1 20>,
- <1 21>,
- <1 22>,
- <1 23>,
- <1 24>,
- <1 25>,
- <1 26>,
- /* dma channel 11-14 share one irq */
- <1 27>,
- <1 27>,
- <1 27>,
- <1 27>,
- /* unused shared irq for all channels */
- <1 28>;
- interrupt-names = "dma0",
- "dma1",
- "dma2",
- "dma3",
- "dma4",
- "dma5",
- "dma6",
- "dma7",
- "dma8",
- "dma9",
- "dma10",
- "dma11",
- "dma12",
- "dma13",
- "dma14",
- "dma-shared-all";
- #dma-cells = <1>;
- brcm,dma-channel-mask = <0x7f35>;
- };
-
- intc: interrupt-controller@7e00b200 {
- compatible = "brcm,bcm2835-armctrl-ic";
- reg = <0x7e00b200 0x200>;
- interrupt-controller;
- #interrupt-cells = <2>;
- };
-
- watchdog@7e100000 {
- compatible = "brcm,bcm2835-pm-wdt";
- reg = <0x7e100000 0x28>;
};
clocks: cprman@7e101000 {
@@ -137,12 +95,6 @@
clocks = <&clk_osc>,
<&dsi0 0>, <&dsi0 1>, <&dsi0 2>,
<&dsi1 0>, <&dsi1 1>, <&dsi1 2>;
- };
-
- rng@7e104000 {
- compatible = "brcm,bcm2835-rng";
- reg = <0x7e104000 0x10>;
- interrupts = <2 29>;
};
mailbox: mailbox@7e00b880 {
@@ -174,8 +126,9 @@
interrupt-controller;
#interrupt-cells = <2>;
- /* Defines pin muxing groups according to
- * BCM2835-ARM-Peripherals.pdf page 102.
+ gpio-ranges = <&gpio 0 0 54>;
+
+ /* Defines common pin muxing groups
*
* While each pin can have its mux selected
* for various functions individually, some
@@ -253,15 +206,7 @@
brcm,pins = <44 45>;
brcm,function = <BCM2835_FSEL_ALT2>;
};
- i2c_slave_gpio18: i2c_slave_gpio18 {
- brcm,pins = <18 19 20 21>;
- brcm,function = <BCM2835_FSEL_ALT3>;
- };
- jtag_gpio4: jtag_gpio4 {
- brcm,pins = <4 5 6 12 13>;
- brcm,function = <BCM2835_FSEL_ALT5>;
- };
jtag_gpio22: jtag_gpio22 {
brcm,pins = <22 23 24 25 26 27>;
brcm,function = <BCM2835_FSEL_ALT4>;
@@ -274,35 +219,6 @@
pcm_gpio28: pcm_gpio28 {
brcm,pins = <28 29 30 31>;
brcm,function = <BCM2835_FSEL_ALT2>;
- };
-
- pwm0_gpio12: pwm0_gpio12 {
- brcm,pins = <12>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
- pwm0_gpio18: pwm0_gpio18 {
- brcm,pins = <18>;
- brcm,function = <BCM2835_FSEL_ALT5>;
- };
- pwm0_gpio40: pwm0_gpio40 {
- brcm,pins = <40>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
- pwm1_gpio13: pwm1_gpio13 {
- brcm,pins = <13>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
- pwm1_gpio19: pwm1_gpio19 {
- brcm,pins = <19>;
- brcm,function = <BCM2835_FSEL_ALT5>;
- };
- pwm1_gpio41: pwm1_gpio41 {
- brcm,pins = <41>;
- brcm,function = <BCM2835_FSEL_ALT0>;
- };
- pwm1_gpio45: pwm1_gpio45 {
- brcm,pins = <45>;
- brcm,function = <BCM2835_FSEL_ALT0>;
};
sdhost_gpio48: sdhost_gpio48 {
@@ -386,8 +302,8 @@
};
uart0: serial@7e201000 {
- compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
- reg = <0x7e201000 0x1000>;
+ compatible = "arm,pl011", "arm,primecell";
+ reg = <0x7e201000 0x200>;
interrupts = <2 25>;
clocks = <&clocks BCM2835_CLOCK_UART>,
<&clocks BCM2835_CLOCK_VPU>;
@@ -400,8 +316,6 @@
reg = <0x7e202000 0x100>;
interrupts = <2 24>;
clocks = <&clocks BCM2835_CLOCK_VPU>;
- dmas = <&dma 13>;
- dma-names = "rx-tx";
status = "disabled";
};
@@ -409,16 +323,12 @@
compatible = "brcm,bcm2835-i2s";
reg = <0x7e203000 0x24>;
clocks = <&clocks BCM2835_CLOCK_PCM>;
-
- dmas = <&dma 2>,
- <&dma 3>;
- dma-names = "tx", "rx";
status = "disabled";
};
spi: spi@7e204000 {
compatible = "brcm,bcm2835-spi";
- reg = <0x7e204000 0x1000>;
+ reg = <0x7e204000 0x200>;
interrupts = <2 22>;
clocks = <&clocks BCM2835_CLOCK_VPU>;
#address-cells = <1>;
@@ -428,24 +338,12 @@
i2c0: i2c@7e205000 {
compatible = "brcm,bcm2835-i2c";
- reg = <0x7e205000 0x1000>;
+ reg = <0x7e205000 0x200>;
interrupts = <2 21>;
clocks = <&clocks BCM2835_CLOCK_VPU>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
- };
-
- pixelvalve@7e206000 {
- compatible = "brcm,bcm2835-pixelvalve0";
- reg = <0x7e206000 0x100>;
- interrupts = <2 13>; /* pwa0 */
- };
-
- pixelvalve@7e207000 {
- compatible = "brcm,bcm2835-pixelvalve1";
- reg = <0x7e207000 0x100>;
- interrupts = <2 14>; /* pwa1 */
};
dpi: dpi@7e208000 {
@@ -476,14 +374,6 @@
"dsi0_ddr2",
"dsi0_ddr";
- status = "disabled";
- };
-
- thermal: thermal@7e212000 {
- compatible = "brcm,bcm2835-thermal";
- reg = <0x7e212000 0x8>;
- clocks = <&clocks BCM2835_CLOCK_TSENS>;
- #thermal-sensor-cells = <0>;
status = "disabled";
};
@@ -532,7 +422,7 @@
status = "disabled";
};
- sdhci: sdhci@7e300000 {
+ sdhci: mmc@7e300000 {
compatible = "brcm,bcm2835-sdhci";
reg = <0x7e300000 0x100>;
interrupts = <2 30>;
@@ -576,41 +466,11 @@
status = "disabled";
};
- i2c2: i2c@7e805000 {
- compatible = "brcm,bcm2835-i2c";
- reg = <0x7e805000 0x1000>;
- interrupts = <2 21>;
- clocks = <&clocks BCM2835_CLOCK_VPU>;
- #address-cells = <1>;
- #size-cells = <0>;
- status = "disabled";
- };
-
vec: vec@7e806000 {
compatible = "brcm,bcm2835-vec";
reg = <0x7e806000 0x1000>;
clocks = <&clocks BCM2835_CLOCK_VEC>;
interrupts = <2 27>;
- status = "disabled";
- };
-
- pixelvalve@7e807000 {
- compatible = "brcm,bcm2835-pixelvalve2";
- reg = <0x7e807000 0x100>;
- interrupts = <2 10>; /* pixelvalve */
- };
-
- hdmi: hdmi@7e902000 {
- compatible = "brcm,bcm2835-hdmi";
- reg = <0x7e902000 0x600>,
- <0x7e808000 0x100>;
- interrupts = <2 8>, <2 9>;
- ddc = <&i2c2>;
- clocks = <&clocks BCM2835_PLLH_PIX>,
- <&clocks BCM2835_CLOCK_HSM>;
- clock-names = "pixel", "hdmi";
- dmas = <&dma 17>;
- dma-names = "audio-rx";
status = "disabled";
};
@@ -625,35 +485,19 @@
phys = <&usbphy>;
phy-names = "usb2-phy";
};
-
- v3d: v3d@7ec00000 {
- compatible = "brcm,bcm2835-v3d";
- reg = <0x7ec00000 0x1000>;
- interrupts = <1 10>;
- };
-
- vc4: gpu {
- compatible = "brcm,bcm2835-vc4";
- };
};
clocks {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <0>;
-
/* The oscillator is the root of the clock tree. */
- clk_osc: clock@3 {
+ clk_osc: clk-osc {
compatible = "fixed-clock";
- reg = <3>;
#clock-cells = <0>;
clock-output-names = "osc";
clock-frequency = <19200000>;
};
- clk_usb: clock@4 {
+ clk_usb: clk-usb {
compatible = "fixed-clock";
- reg = <4>;
#clock-cells = <0>;
clock-output-names = "otg";
clock-frequency = <480000000>;
--
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