[PATCH v2 4/5] ARM: dts: meson8: add the DDR clock controller

From: Martin Blumenstingl
Date: Sun Oct 27 2019 - 12:23:59 EST


Add the DDR clock controller and pass it's DDR_CLKID_DDR_PLL to the main
(HHI) clock controller as "ddr_clk". The "ddr_clk" is used as one of the
inputs for the audio clock muxes.

Signed-off-by: Martin Blumenstingl <martin.blumenstingl@xxxxxxxxxxxxxx>
---
arch/arm/boot/dts/meson8.dtsi | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
index 4f59a4c8f036..257c1364864c 100644
--- a/arch/arm/boot/dts/meson8.dtsi
+++ b/arch/arm/boot/dts/meson8.dtsi
@@ -3,6 +3,7 @@
* Copyright 2014 Carlo Caione <carlo@xxxxxxxxxx>
*/

+#include <dt-bindings/clock/meson8-ddr-clkc.h>
#include <dt-bindings/clock/meson8b-clkc.h>
#include <dt-bindings/gpio/meson8-gpio.h>
#include <dt-bindings/reset/amlogic,meson8b-clkc-reset.h>
@@ -195,6 +196,14 @@
#size-cells = <1>;
ranges = <0x0 0xc8000000 0x8000>;

+ ddr_clkc: clock-controller@400 {
+ compatible = "amlogic,meson8-ddr-clkc";
+ reg = <0x400 0x20>;
+ clocks = <&xtal>;
+ clock-names = "xtal";
+ #clock-cells = <1>;
+ };
+
dmcbus: bus@6000 {
compatible = "simple-bus";
reg = <0x6000 0x400>;
@@ -455,8 +464,8 @@
&hhi {
clkc: clock-controller {
compatible = "amlogic,meson8-clkc";
- clocks = <&xtal>;
- clock-names = "xtal";
+ clocks = <&xtal>, <&ddr_clkc DDR_CLKID_DDR_PLL>;
+ clock-names = "xtal", "ddr_pll";
#clock-cells = <1>;
#reset-cells = <1>;
};
--
2.23.0