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Amlogic 64-bit DT updates

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- add RNG and new clock driver support
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Merge tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic into next/dt64

Merge "Amlogic 64-bit DT updates" from Kevin Hilman:

- add RNG and new clock driver support

* tag 'amlogic-dt64-2' of git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic:
  ARM64: DTS: meson-gxbb: switch ethernet to real clock
  arm64: dts: gxbb clock controller
  ARM64: dts: meson-gxbb: Add Hardware Random Generator node
  dt-bindings: hwrng: Add Amlogic Meson Hardware Random Generator bindings
This commit is contained in:
Arnd Bergmann 2016-07-07 15:11:44 +02:00
commit d561e2f1af
2 changed files with 27 additions and 1 deletions
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14
Documentation/devicetree/bindings/rng/amlogic,meson-rng.txt Normal file
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@ -0,0 +1,14 @@
Amlogic Meson Random number generator
=====================================
Required properties:
- compatible : should be "amlogic,meson-rng"
- reg : Specifies base physical address and size of the registers.
Example:
rng {
compatible = "amlogic,meson-rng";
reg = <0x0 0xc8834000 0x0 0x4>;
};

14
arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
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@ -45,6 +45,7 @@
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/meson-gxbb-gpio.h>
#include <dt-bindings/reset/amlogic,meson-gxbb-reset.h>
#include <dt-bindings/clock/gxbb-clkc.h>
/ {
compatible = "amlogic,meson-gxbb";
@ -221,6 +222,11 @@
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xc8834000 0x0 0x2000>;
rng {
compatible = "amlogic,meson-rng";
reg = <0x0 0x0 0x0 0x4>;
};
pinctrl_periphs: pinctrl@4b0 {
compatible = "amlogic,meson-gxbb-periphs-pinctrl";
#address-cells = <2>;
@ -310,6 +316,12 @@
#address-cells = <2>;
#size-cells = <2>;
ranges = <0x0 0x0 0x0 0xc883c000 0x0 0x2000>;
clkc: clock-controller@0 {
compatible = "amlogic,gxbb-clkc";
#clock-cells = <1>;
reg = <0x0 0x0 0x0 0x3db>;
};
};
apb: apb@d0000000 {
@ -326,7 +338,7 @@
0x0 0xc8834540 0x0 0x4>;
interrupts = <0 8 1>;
interrupt-names = "macirq";
clocks = <&xtal>;
clocks = <&clkc CLKID_ETH>;
clock-names = "stmmaceth";
phy-mode = "rgmii";
status = "disabled";