summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/bcm2835.dtsi
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/boot/dts/bcm2835.dtsi')
-rw-r--r--arch/arm/boot/dts/bcm2835.dtsi64
1 files changed, 39 insertions, 25 deletions
diff --git a/arch/arm/boot/dts/bcm2835.dtsi b/arch/arm/boot/dts/bcm2835.dtsi
index 301c73f4c..aef64de77 100644
--- a/arch/arm/boot/dts/bcm2835.dtsi
+++ b/arch/arm/boot/dts/bcm2835.dtsi
@@ -1,4 +1,5 @@
#include <dt-bindings/pinctrl/bcm2835.h>
+#include <dt-bindings/clock/bcm2835.h>
#include "skeleton.dtsi"
/ {
@@ -21,6 +22,10 @@
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>;
};
@@ -57,6 +62,17 @@
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>;
@@ -92,11 +108,13 @@
#interrupt-cells = <2>;
};
- uart@7e201000 {
+ uart0: uart@7e201000 {
compatible = "brcm,bcm2835-pl011", "arm,pl011", "arm,primecell";
reg = <0x7e201000 0x1000>;
interrupts = <2 25>;
- clock-frequency = <3000000>;
+ clocks = <&clocks BCM2835_CLOCK_UART>,
+ <&clocks BCM2835_CLOCK_VPU>;
+ clock-names = "uartclk", "apb_pclk";
arm,primecell-periphid = <0x00241011>;
};
@@ -115,7 +133,7 @@
compatible = "brcm,bcm2835-spi";
reg = <0x7e204000 0x1000>;
interrupts = <2 22>;
- clocks = <&clk_spi>;
+ clocks = <&clocks BCM2835_CLOCK_VPU>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
@@ -125,7 +143,7 @@
compatible = "brcm,bcm2835-i2c";
reg = <0x7e205000 0x1000>;
interrupts = <2 21>;
- clocks = <&clk_i2c>;
+ clocks = <&clocks BCM2835_CLOCK_VPU>;
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
@@ -135,7 +153,7 @@
compatible = "brcm,bcm2835-sdhci";
reg = <0x7e300000 0x100>;
interrupts = <2 30>;
- clocks = <&clk_mmc>;
+ clocks = <&clocks BCM2835_CLOCK_EMMC>;
status = "disabled";
};
@@ -143,7 +161,17 @@
compatible = "brcm,bcm2835-i2c";
reg = <0x7e804000 0x1000>;
interrupts = <2 21>;
- clocks = <&clk_i2c>;
+ 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";
@@ -165,28 +193,14 @@
#address-cells = <1>;
#size-cells = <0>;
- clk_mmc: clock@0 {
+ /* The oscillator is the root of the clock tree. */
+ clk_osc: clock@3 {
compatible = "fixed-clock";
- reg = <0>;
+ reg = <3>;
#clock-cells = <0>;
- clock-output-names = "mmc";
- clock-frequency = <100000000>;
+ clock-output-names = "osc";
+ clock-frequency = <19200000>;
};
- clk_i2c: clock@1 {
- compatible = "fixed-clock";
- reg = <1>;
- #clock-cells = <0>;
- clock-output-names = "i2c";
- clock-frequency = <250000000>;
- };
-
- clk_spi: clock@2 {
- compatible = "fixed-clock";
- reg = <2>;
- #clock-cells = <0>;
- clock-output-names = "spi";
- clock-frequency = <250000000>;
- };
};
};