summaryrefslogtreecommitdiffstats
path: root/arch/arm
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/boot/dts/bcm2835.dtsi194
-rw-r--r--arch/arm/boot/dts/bcm283x.dtsi205
2 files changed, 206 insertions, 193 deletions
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index aef64de77495..b83b32639358 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -1,206 +1,14 @@
-#include <dt-bindings/pinctrl/bcm2835.h>
-#include <dt-bindings/clock/bcm2835.h>
-#include "skeleton.dtsi"
+#include "bcm283x.dtsi"
/ {
compatible = "brcm,bcm2835";
- model = "BCM2835";
- interrupt-parent = <&intc>;
-
- chosen {
- bootargs = "earlyprintk console=ttyAMA0";
- };
soc {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <1>;
ranges = <0x7e000000 0x20000000 0x02000000>;
dma-ranges = <0x40000000 0x00000000 0x20000000>;
- timer@7e003000 {
- compatible = "brcm,bcm2835-system-timer";
- reg = <0x7e003000 0x1000>;
- interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
- /* This could be a reference to BCM2835_CLOCK_TIMER,
- * but we don't have the driver using the common clock
- * support yet.
- */
- clock-frequency = <1000000>;
- };
-
- 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>,
- <1 27>,
- <1 28>;
-
- #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 {
- compatible = "brcm,bcm2835-cprman";
- #clock-cells = <1>;
- reg = <0x7e101000 0x2000>;
-
- /* CPRMAN derives everything from the platform's
- * oscillator.
- */
- clocks = <&clk_osc>;
- };
-
- rng@7e104000 {
- compatible = "brcm,bcm2835-rng";
- reg = <0x7e104000 0x10>;
- };
-
- mailbox: mailbox@7e00b800 {
- compatible = "brcm,bcm2835-mbox";
- reg = <0x7e00b880 0x40>;
- interrupts = <0 1>;
- #mbox-cells = <0>;
- };
-
- gpio: gpio@7e200000 {
- compatible = "brcm,bcm2835-gpio";
- reg = <0x7e200000 0xb4>;
- /*
- * The GPIO IP block is designed for 3 banks of GPIOs.
- * Each bank has a GPIO interrupt for itself.
- * There is an overall "any bank" interrupt.
- * In order, these are GIC interrupts 17, 18, 19, 20.
- * Since the BCM2835 only has 2 banks, the 2nd bank
- * interrupt output appears to be mirrored onto the
- * 3rd bank's interrupt signal.
- * So, a bank0 interrupt shows up on 17, 20, and
- * a bank1 interrupt shows up on 18, 19, 20!
- */
- interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
-
- gpio-controller;
- #gpio-cells = <2>;
-
- interrupt-controller;
- #interrupt-cells = <2>;
- };
-
- uart0: uart@7e201000 {
- compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
- reg = <0x7e201000 0x1000>;
- interrupts = <2 25>;
- clocks = <&clocks BCM2835_CLOCK_UART>,
- <&clocks BCM2835_CLOCK_VPU>;
- clock-names = "uartclk", "apb_pclk";
- arm,primecell-periphid = <0x00241011>;
- };
-
- i2s: i2s@7e203000 {
- compatible = "brcm,bcm2835-i2s";
- reg = <0x7e203000 0x20>,
- <0x7e101098 0x02>;
-
- dmas = <&dma 2>,
- <&dma 3>;
- dma-names = "tx", "rx";
- status = "disabled";
- };
-
- spi: spi@7e204000 {
- compatible = "brcm,bcm2835-spi";
- reg = <0x7e204000 0x1000>;
- interrupts = <2 22>;
- clocks = <&clocks BCM2835_CLOCK_VPU>;
- #address-cells = <1>;
- #size-cells = <0>;
- status = "disabled";
- };
-
- i2c0: i2c@7e205000 {
- compatible = "brcm,bcm2835-i2c";
- reg = <0x7e205000 0x1000>;
- interrupts = <2 21>;
- clocks = <&clocks BCM2835_CLOCK_VPU>;
- #address-cells = <1>;
- #size-cells = <0>;
- status = "disabled";
- };
-
- sdhci: sdhci@7e300000 {
- compatible = "brcm,bcm2835-sdhci";
- reg = <0x7e300000 0x100>;
- interrupts = <2 30>;
- clocks = <&clocks BCM2835_CLOCK_EMMC>;
- status = "disabled";
- };
-
- i2c1: i2c@7e804000 {
- compatible = "brcm,bcm2835-i2c";
- reg = <0x7e804000 0x1000>;
- interrupts = <2 21>;
- clocks = <&clocks BCM2835_CLOCK_VPU>;
- #address-cells = <1>;
- #size-cells = <0>;
- 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";
- };
-
- usb@7e980000 {
- compatible = "brcm,bcm2835-usb";
- reg = <0x7e980000 0x10000>;
- interrupts = <1 9>;
- };
-
arm-pmu {
compatible = "arm,arm1176-pmu";
};
};
-
- clocks {
- compatible = "simple-bus";
- #address-cells = <1>;
- #size-cells = <0>;
-
- /* The oscillator is the root of the clock tree. */
- clk_osc: clock@3 {
- compatible = "fixed-clock";
- reg = <3>;
- #clock-cells = <0>;
- clock-output-names = "osc";
- clock-frequency = <19200000>;
- };
-
- };
};
diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
new file mode 100644
index 000000000000..8a7e72799a5c
--- /dev/null
+++ b/arch/arm/boot/dts/bcm283x.dtsi
@@ -0,0 +1,205 @@
+#include <dt-bindings/pinctrl/bcm2835.h>
+#include <dt-bindings/clock/bcm2835.h>
+#include "skeleton.dtsi"
+
+/* This include file covers the common peripherals and configuration between
+ * bcm2835 and bcm2836 implementations, leaving the CPU configuration to
+ * bcm2835.dtsi and bcm2836.dtsi.
+ */
+
+/ {
+ compatible = "brcm,bcm2835";
+ model = "BCM2835";
+ interrupt-parent = <&intc>;
+
+ chosen {
+ bootargs = "earlyprintk console=ttyAMA0";
+ };
+
+ soc {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ timer@7e003000 {
+ compatible = "brcm,bcm2835-system-timer";
+ reg = <0x7e003000 0x1000>;
+ interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
+ /* This could be a reference to BCM2835_CLOCK_TIMER,
+ * but we don't have the driver using the common clock
+ * support yet.
+ */
+ clock-frequency = <1000000>;
+ };
+
+ 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>,
+ <1 27>,
+ <1 28>;
+
+ #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 {
+ compatible = "brcm,bcm2835-cprman";
+ #clock-cells = <1>;
+ reg = <0x7e101000 0x2000>;
+
+ /* CPRMAN derives everything from the platform's
+ * oscillator.
+ */
+ clocks = <&clk_osc>;
+ };
+
+ rng@7e104000 {
+ compatible = "brcm,bcm2835-rng";
+ reg = <0x7e104000 0x10>;
+ };
+
+ mailbox: mailbox@7e00b800 {
+ compatible = "brcm,bcm2835-mbox";
+ reg = <0x7e00b880 0x40>;
+ interrupts = <0 1>;
+ #mbox-cells = <0>;
+ };
+
+ gpio: gpio@7e200000 {
+ compatible = "brcm,bcm2835-gpio";
+ reg = <0x7e200000 0xb4>;
+ /*
+ * The GPIO IP block is designed for 3 banks of GPIOs.
+ * Each bank has a GPIO interrupt for itself.
+ * There is an overall "any bank" interrupt.
+ * In order, these are GIC interrupts 17, 18, 19, 20.
+ * Since the BCM2835 only has 2 banks, the 2nd bank
+ * interrupt output appears to be mirrored onto the
+ * 3rd bank's interrupt signal.
+ * So, a bank0 interrupt shows up on 17, 20, and
+ * a bank1 interrupt shows up on 18, 19, 20!
+ */
+ interrupts = <2 17>, <2 18>, <2 19>, <2 20>;
+
+ gpio-controller;
+ #gpio-cells = <2>;
+
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ };
+
+ uart0: uart@7e201000 {
+ compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
+ reg = <0x7e201000 0x1000>;
+ interrupts = <2 25>;
+ clocks = <&clocks BCM2835_CLOCK_UART>,
+ <&clocks BCM2835_CLOCK_VPU>;
+ clock-names = "uartclk", "apb_pclk";
+ arm,primecell-periphid = <0x00241011>;
+ };
+
+ i2s: i2s@7e203000 {
+ compatible = "brcm,bcm2835-i2s";
+ reg = <0x7e203000 0x20>,
+ <0x7e101098 0x02>;
+
+ dmas = <&dma 2>,
+ <&dma 3>;
+ dma-names = "tx", "rx";
+ status = "disabled";
+ };
+
+ spi: spi@7e204000 {
+ compatible = "brcm,bcm2835-spi";
+ reg = <0x7e204000 0x1000>;
+ interrupts = <2 22>;
+ clocks = <&clocks BCM2835_CLOCK_VPU>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ i2c0: i2c@7e205000 {
+ compatible = "brcm,bcm2835-i2c";
+ reg = <0x7e205000 0x1000>;
+ interrupts = <2 21>;
+ clocks = <&clocks BCM2835_CLOCK_VPU>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ sdhci: sdhci@7e300000 {
+ compatible = "brcm,bcm2835-sdhci";
+ reg = <0x7e300000 0x100>;
+ interrupts = <2 30>;
+ clocks = <&clocks BCM2835_CLOCK_EMMC>;
+ status = "disabled";
+ };
+
+ i2c1: i2c@7e804000 {
+ compatible = "brcm,bcm2835-i2c";
+ reg = <0x7e804000 0x1000>;
+ interrupts = <2 21>;
+ clocks = <&clocks BCM2835_CLOCK_VPU>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ 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";
+ };
+
+ usb@7e980000 {
+ compatible = "brcm,bcm2835-usb";
+ reg = <0x7e980000 0x10000>;
+ interrupts = <1 9>;
+ };
+ };
+
+ clocks {
+ compatible = "simple-bus";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ /* The oscillator is the root of the clock tree. */
+ clk_osc: clock@3 {
+ compatible = "fixed-clock";
+ reg = <3>;
+ #clock-cells = <0>;
+ clock-output-names = "osc";
+ clock-frequency = <19200000>;
+ };
+
+ };
+};
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-30 23:07:44 +0100