On Fri, 2017-06-09 at 11:49 +0200, Neil Armstrong wrote:
> Switch to the stable UART bindings by adding a XTAL node and using the
> proper compatible strings.
>
> Signed-off-by: Neil Armstrong <narmstrong@xxxxxxxxxxxx>
> ---
> arch/arm/boot/dts/meson8b.dtsi | 23 +++++++++++++++++++----
> 1 file changed, 19 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm/boot/dts/meson8b.dtsi b/arch/arm/boot/dts/meson8b.dtsi
> index d9f116a..651ad4a 100644
> --- a/arch/arm/boot/dts/meson8b.dtsi
> +++ b/arch/arm/boot/dts/meson8b.dtsi
> @@ -82,6 +82,13 @@
> reg = <0x203>;
> };
> };
> +
> + xtal: xtal-clk {
> + compatible = "fixed-clock";
> + clock-frequency = <24000000>;
> + clock-output-names = "xtal";
> + #clock-cells = <0>;
> + };
On meson8b, I think xtal is already provided by <&clkc CLKID_XTAL>.
We have to choose which one we want.
With this handled:
Acked-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
> }; /* end of / */
>
> &aobus {
> @@ -178,17 +185,25 @@
> };
>
> &uart_AO {
> - clocks = <&clkc CLKID_CLK81>;
> + compatible = "amlogic,meson8b-uart", "amlogic,meson-ao-uart";
> + clocks = <&xtal>, <&clkc CLKID_CLK81>, <&clkc CLKID_CLK81>;
> + clock-names = "xtal", "pclk", "baud";
> };
>
> &uart_A {
> - clocks = <&clkc CLKID_CLK81>;
> + compatible = "amlogic,meson8b-uart";
> + clocks = <&xtal>, <&clkc CLKID_CLK81>, <&clkc CLKID_CLK81>;
> + clock-names = "xtal", "pclk", "baud";
> };
>
> &uart_B {
> - clocks = <&clkc CLKID_CLK81>;
> + compatible = "amlogic,meson8b-uart";
> + clocks = <&xtal>, <&clkc CLKID_CLK81>, <&clkc CLKID_CLK81>;
> + clock-names = "xtal", "pclk", "baud";
> };
>
> &uart_C {
> - clocks = <&clkc CLKID_CLK81>;
> + compatible = "amlogic,meson8b-uart";
> + clocks = <&xtal>, <&clkc CLKID_CLK81>, <&clkc CLKID_CLK81>;
> + clock-names = "xtal", "pclk", "baud";
> };
--
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