[PATCH] ARM64: dts: meson-axg: add the audio clock controller

From: Jerome Brunet
Date: Thu Jul 05 2018 - 07:37:28 EST


Add the audio clock controller which is part of the audio bus
This controller takes 8 input plls, and the usual clock gate, from the
main clock controller. It provides for the all the devices of the audio
subsystem, such as tdms, spdif, pdm, etc.

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---

Kevin,

Please note that this change depends on the axg audio clock bindings [0].
It will be part of our PR to clock in this cycle.

As usual, I've prepared a topic branch with the DT changes for you.
Please, let me know when you need a tag on it.

Cheers
Jerome

[0]: https://lkml.kernel.org/r/20180522163457.13834-6-jbrunet@xxxxxxxxxxxx

arch/arm64/boot/dts/amlogic/meson-axg.dtsi | 36 ++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index aa1a42407466..56d334be9f85 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -6,6 +6,7 @@
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/clock/axg-audio-clkc.h>
#include <dt-bindings/clock/axg-clkc.h>
#include <dt-bindings/clock/axg-aoclkc.h>
#include <dt-bindings/gpio/meson-axg-gpio.h>
@@ -155,6 +156,41 @@
};
};

+ audio: bus@ff642000 {
+ compatible = "simple-bus";
+ reg = <0x0 0xff642000 0x0 0x2000>;
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges = <0x0 0x0 0x0 0xff642000 0x0 0x2000>;
+
+ clkc_audio: clock-controller@0 {
+ compatible = "amlogic,axg-audio-clkc";
+ reg = <0x0 0x0 0x0 0xb4>;
+ #clock-cells = <1>;
+
+ clocks = <&clkc CLKID_AUDIO>,
+ <&clkc CLKID_MPLL0>,
+ <&clkc CLKID_MPLL1>,
+ <&clkc CLKID_MPLL2>,
+ <&clkc CLKID_MPLL3>,
+ <&clkc CLKID_HIFI_PLL>,
+ <&clkc CLKID_FCLK_DIV3>,
+ <&clkc CLKID_FCLK_DIV4>,
+ <&clkc CLKID_GP0_PLL>;
+ clock-names = "pclk",
+ "mst_in0",
+ "mst_in1",
+ "mst_in2",
+ "mst_in3",
+ "mst_in4",
+ "mst_in5",
+ "mst_in6",
+ "mst_in7";
+
+ resets = <&reset RESET_AUDIO>;
+ };
+ };
+
cbus: bus@ffd00000 {
compatible = "simple-bus";
reg = <0x0 0xffd00000 0x0 0x25000>;
--
2.14.4