Subject: [PATCH 3/3] ARM: dts: meson8: add and use the real clock controller

From: [email-masked] (Jerome Brunet)
Date: Sun, 04 Jun 2017 22:20:38 +0200

On Sun, 2017-06-04 at 20:33 +0200, Martin Blumenstingl wrote:
> This removes the dummy clk81 gate and replaces it with the actual clock
> controller's CLKID_CLK81. This will also allow us to pass the real clock
> IDs to all devices where the clock is controlled by clkc in the future.
> 
> Signed-off-by: Martin Blumenstingl <[email-masked]>

This is going in the right direction and at least align meson8 and meson8b.

Acked-by: Jerome Brunet <[email-masked]>

Later on, I'm wondering if some of these clock assignments should be moved to
meson.dtsi ? meson8.dtsi and meson8b.dtsi look very similar 

> ---
> ?arch/arm/boot/dts/meson8.dtsi | 32 ++++++++++++++++----------------
> ?1 file changed, 16 insertions(+), 16 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/meson8.dtsi b/arch/arm/boot/dts/meson8.dtsi
> index 6993077331c7..9b0b3ddbb17e 100644
> --- a/arch/arm/boot/dts/meson8.dtsi
> +++ b/arch/arm/boot/dts/meson8.dtsi
> @@ -43,6 +43,7 @@
> ? *?????OTHER DEALINGS IN THE SOFTWARE.
> ? */
> ?
> +#include <dt-bindings/clock/meson8b-clkc.h>
> ?#include <dt-bindings/gpio/meson8-gpio.h>
> ?/include/ "meson.dtsi"
> ?
> @@ -82,13 +83,6 @@
> ?			reg = <0x203>;
> ?		};
> ?	};
> -
> -	clk81: clk at 0 {
> -		#clock-cells = <0>;
> -		compatible = "fixed-clock";
> -		clock-frequency = <141666666>;
> -	};
> -
> ?}; /* end of / */
> ?
> ?&aobus {
> @@ -126,6 +120,12 @@
> ?};
> ?
> ?&cbus {
> +	clkc: clock-controller at 4000 {
> +		#clock-cells = <1>;
> +		compatible = "amlogic,meson8-clkc";
> +		reg = <0x8000 0x4>, <0x4000 0x460>;
> +	};
> +
> ?	pinctrl_cbus: pinctrl at 9880 {
> ?		compatible = "amlogic,meson8-cbus-pinctrl";
> ?		reg = <0x9880 0x10>;
> @@ -172,20 +172,20 @@
> ?};
> ?
> ?&ethmac {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?	clock-names = "stmmaceth";
> ?};
> ?
> ?&i2c_AO {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&i2c_A {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&i2c_B {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&L2 {
> @@ -195,21 +195,21 @@
> ?};
> ?
> ?&spifc {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&uart_AO {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&uart_A {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&uart_B {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};
> ?
> ?&uart_C {
> -	clocks = <&clk81>;
> +	clocks = <&clkc CLKID_CLK81>;
> ?};