2022-08-05 09:09:53

by Yu Tu

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Subject: [PATCH V3 5/6] arm64: dts: meson: add S4 Soc Peripheral clock controller in DT

Added information about the S4 SOC Peripheral Clock controller in DT.

Signed-off-by: Yu Tu <[email protected]>
---
arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 26 +++++++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
index a816b1f7694b..71be1dda15a2 100644
--- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
@@ -6,6 +6,8 @@
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
+#include <dt-bindings/clock/amlogic,s4-clkc.h>

/ {
cpus {
@@ -100,6 +102,30 @@ clkc_pll: pll-clock-controller@8000 {
#clock-cells = <1>;
};

+ clkc_periphs: periphs-clock-controller {
+ compatible = "amlogic,s4-periphs-clkc";
+ reg = <0x0 0x0 0x0 0x49c>;
+ clocks = <&clkc_pll CLKID_FCLK_DIV2>,
+ <&clkc_pll CLKID_FCLK_DIV2P5>,
+ <&clkc_pll CLKID_FCLK_DIV3>,
+ <&clkc_pll CLKID_FCLK_DIV4>,
+ <&clkc_pll CLKID_FCLK_DIV5>,
+ <&clkc_pll CLKID_FCLK_DIV7>,
+ <&clkc_pll CLKID_HIFI_PLL>,
+ <&clkc_pll CLKID_GP0_PLL>,
+ <&clkc_pll CLKID_MPLL0>,
+ <&clkc_pll CLKID_MPLL1>,
+ <&clkc_pll CLKID_MPLL2>,
+ <&clkc_pll CLKID_MPLL3>,
+ <&clkc_pll CLKID_HDMI_PLL>,
+ <&xtal>;
+ clock-names = "fclk_div2", "fclk_div2p5", "fclk_div3",
+ "fclk_div4", "fclk_div5", "fclk_div7",
+ "hifi_pll", "gp0_pll", "mpll0", "mpll1",
+ "mpll2", "mpll3", "hdmi_pll", "xtal";
+ #clock-cells = <1>;
+ };
+
periphs_pinctrl: pinctrl@4000 {
compatible = "amlogic,meson-s4-periphs-pinctrl";
#address-cells = <2>;
--
2.33.1



2022-08-05 09:24:31

by Krzysztof Kozlowski

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Subject: Re: [PATCH V3 5/6] arm64: dts: meson: add S4 Soc Peripheral clock controller in DT

On 05/08/2022 10:57, Yu Tu wrote:
> Added information about the S4 SOC Peripheral Clock controller in DT.
>
> Signed-off-by: Yu Tu <[email protected]>
> ---
> arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 26 +++++++++++++++++++++++
> 1 file changed, 26 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> index a816b1f7694b..71be1dda15a2 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
> @@ -6,6 +6,8 @@
> #include <dt-bindings/interrupt-controller/irq.h>
> #include <dt-bindings/interrupt-controller/arm-gic.h>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
> +#include <dt-bindings/clock/amlogic,s4-clkc.h>
>
> / {
> cpus {
> @@ -100,6 +102,30 @@ clkc_pll: pll-clock-controller@8000 {
> #clock-cells = <1>;
> };
>
> + clkc_periphs: periphs-clock-controller {

Node names should be generic, so "clock-controller"
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

You miss here unit address. Test your DTS with dtbs check and with
regular compile with W=1.


Best regards,
Krzysztof

2022-08-05 09:39:38

by Yu Tu

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Subject: Re: [PATCH V3 5/6] arm64: dts: meson: add S4 Soc Peripheral clock controller in DT

Hi Krzysztof,
Thank you for your reply.

On 2022/8/5 17:16, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
>
> On 05/08/2022 10:57, Yu Tu wrote:
>> Added information about the S4 SOC Peripheral Clock controller in DT.
>>
>> Signed-off-by: Yu Tu <[email protected]>
>> ---
>> arch/arm64/boot/dts/amlogic/meson-s4.dtsi | 26 +++++++++++++++++++++++
>> 1 file changed, 26 insertions(+)
>>
>> diff --git a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>> index a816b1f7694b..71be1dda15a2 100644
>> --- a/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>> +++ b/arch/arm64/boot/dts/amlogic/meson-s4.dtsi
>> @@ -6,6 +6,8 @@
>> #include <dt-bindings/interrupt-controller/irq.h>
>> #include <dt-bindings/interrupt-controller/arm-gic.h>
>> #include <dt-bindings/gpio/gpio.h>
>> +#include <dt-bindings/clock/amlogic,s4-pll-clkc.h>
>> +#include <dt-bindings/clock/amlogic,s4-clkc.h>
>>
>> / {
>> cpus {
>> @@ -100,6 +102,30 @@ clkc_pll: pll-clock-controller@8000 {
>> #clock-cells = <1>;
>> };
>>
>> + clkc_periphs: periphs-clock-controller {
>
> Node names should be generic, so "clock-controller"
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> You miss here unit address. Test your DTS with dtbs check and with
> regular compile with W=1.
I will change to clkc_periphs: clock-controller@0 {.
Is that okay?
>
>
> Best regards,
> Krzysztof
>
> .

2022-08-08 07:03:07

by Krzysztof Kozlowski

[permalink] [raw]
Subject: Re: [PATCH V3 5/6] arm64: dts: meson: add S4 Soc Peripheral clock controller in DT

On 05/08/2022 11:36, Yu Tu wrote:
>>> @@ -100,6 +102,30 @@ clkc_pll: pll-clock-controller@8000 {
>>> #clock-cells = <1>;
>>> };
>>>
>>> + clkc_periphs: periphs-clock-controller {
>>
>> Node names should be generic, so "clock-controller"
>> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>>
>> You miss here unit address. Test your DTS with dtbs check and with
>> regular compile with W=1.
> I will change to clkc_periphs: clock-controller@0 {.
> Is that okay?

I cut the context, so if "0" was the value in reg, then it is OK.

Best regards,
Krzysztof

2022-08-08 10:11:18

by Yu Tu

[permalink] [raw]
Subject: Re: [PATCH V3 5/6] arm64: dts: meson: add S4 Soc Peripheral clock controller in DT



On 2022/8/8 14:17, Krzysztof Kozlowski wrote:
> [ EXTERNAL EMAIL ]
>
> On 05/08/2022 11:36, Yu Tu wrote:
>>>> @@ -100,6 +102,30 @@ clkc_pll: pll-clock-controller@8000 {
>>>> #clock-cells = <1>;
>>>> };
>>>>
>>>> + clkc_periphs: periphs-clock-controller {
>>>
>>> Node names should be generic, so "clock-controller"
>>> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>>>
>>> You miss here unit address. Test your DTS with dtbs check and with
>>> regular compile with W=1.
>> I will change to clkc_periphs: clock-controller@0 {.
>> Is that okay?
>
> I cut the context, so if "0" was the value in reg, then it is OK.
Ok, I got it.I will change in next version.
> Best regards,
> Krzysztof
>
> .