[PATCH v8 11/11] arm64: dts: meson: a1: introduce PLL and Peripherals clk controllers
neil.armstrong at linaro.org
neil.armstrong at linaro.org
Fri Dec 2 05:37:52 PST 2022
On 02/12/2022 13:03, Jerome Brunet wrote:
>
> On Fri 02 Dec 2022 at 01:57, Dmitry Rokosov <ddrokosov at sberdevices.ru> wrote:
>
>> This patch adds clkc_periphs and clkc_pll dts nodes to A1 SoC main dtsi.
>> The first one clk controller is responsible for all SoC peripherals
>> clocks excluding audio clocks. The second one clk controller is used by
>> A1 SoC PLLs. Actually, there are two different APB heads, so we have two
>> different drivers.
>
> Please send this change through a separate patcheset.
>
> One patcheset/series for clk (and bindings)
> Another one for the DTS (usually sent after the first one is accepted)
Yes please split out the DT in a separate patchset, but only send then once
the bindings are fully reviewed and accepted.
Start from v1 for the DT patchset, no need to continue the current numbering.
Thanks,
Neil
>
>>
>> Signed-off-by: Dmitry Rokosov <ddrokosov at sberdevices.ru>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-a1.dtsi | 27 ++++++++++++++++++++++-
>> 1 file changed, 26 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
>> index b4000cf65a9a..38e6517c603c 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-a1.dtsi
>> @@ -6,6 +6,8 @@
>> #include <dt-bindings/interrupt-controller/irq.h>
>> #include <dt-bindings/interrupt-controller/arm-gic.h>
>> #include <dt-bindings/gpio/meson-a1-gpio.h>
>> +#include <dt-bindings/clock/a1-pll-clkc.h>
>> +#include <dt-bindings/clock/a1-clkc.h>
>>
>> / {
>> compatible = "amlogic,a1";
>> @@ -81,7 +83,6 @@ apb: bus at fe000000 {
>> #size-cells = <2>;
>> ranges = <0x0 0x0 0x0 0xfe000000 0x0 0x1000000>;
>>
>> -
>> reset: reset-controller at 0 {
>> compatible = "amlogic,meson-a1-reset";
>> reg = <0x0 0x0 0x0 0x8c>;
>> @@ -124,6 +125,30 @@ uart_AO_B: serial at 2000 {
>> clock-names = "xtal", "pclk", "baud";
>> status = "disabled";
>> };
>> +
>> + clkc_periphs: periphs-clock-controller at 800 {
>
> device name should be generic so
>
> clkc_periphs: clock-controller at 800 would be better
>
>> + compatible = "amlogic,a1-periphs-clkc";
>> + reg = <0 0x800 0 0x104>;
>> + #clock-cells = <1>;
>> + clocks = <&clkc_pll CLKID_FCLK_DIV2>,
>> + <&clkc_pll CLKID_FCLK_DIV3>,
>> + <&clkc_pll CLKID_FCLK_DIV5>,
>> + <&clkc_pll CLKID_FCLK_DIV7>,
>> + <&clkc_pll CLKID_HIFI_PLL>,
>> + <&xtal>;
>> + clock-names = "fclk_div2", "fclk_div3",
>> + "fclk_div5", "fclk_div7",
>> + "hifi_pll", "xtal";
>> + };
>> +
>> + clkc_pll: pll-clock-controller at 7c80 {
>
> Same here
>
>> + compatible = "amlogic,a1-pll-clkc";
>> + reg = <0 0x7c80 0 0x18c>;
>> + #clock-cells = <1>;
>> + clocks = <&clkc_periphs CLKID_XTAL_FIXPLL>,
>> + <&clkc_periphs CLKID_XTAL_HIFIPLL>;
>> + clock-names = "xtal_fixpll", "xtal_hifipll";
>> + };
>> };
>>
>> gic: interrupt-controller at ff901000 {
>
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