于 2018年5月2日 GMT+08:00 下午7:50:19, Jagan Teki <jagannadh.teki@xxxxxxxxx> 写到:
>On Wed, May 2, 2018 at 5:04 PM, Icenowy Zheng <icenowy@xxxxxxx> wrote:
>>
>>
>> 于 2018年5月2日 GMT+08:00 下午7:32:50, Maxime Ripard
><maxime.ripard@xxxxxxxxxxx> 写到:
>>>On Mon, Apr 30, 2018 at 05:10:39PM +0530, Jagan Teki wrote:
>>>> DE2 in A64 has clock control unit and behavior is
>>>> same like H3/H5, so reuse the same in A64.
>>>>
>>>> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
>>>> ---
>>>> arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 15 +++++++++++++++
>>>> 1 file changed, 15 insertions(+)
>>>>
>>>> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>>>b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>>>> index 1b2ef28c42bd..67b80bbe5bf5 100644
>>>> --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>>>> +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
>>>> @@ -43,9 +43,11 @@
>>>> */
>>>>
>>>> #include <dt-bindings/clock/sun50i-a64-ccu.h>
>>>> +#include <dt-bindings/clock/sun8i-de2.h>
>>>> #include <dt-bindings/clock/sun8i-r-ccu.h>
>>>> #include <dt-bindings/interrupt-controller/arm-gic.h>
>>>> #include <dt-bindings/reset/sun50i-a64-ccu.h>
>>>> +#include <dt-bindings/reset/sun8i-de2.h>
>>>>
>>>> / {
>>>> interrupt-parent = <&gic>;
>>>> @@ -168,6 +170,19 @@
>>>> #size-cells = <1>;
>>>> ranges;
>>>>
>>>> + display_clocks: clock@1000000 {
>>>> + compatible = "allwinner,sun50i-a64-de2-clk",
>>>> + "allwinner,sun50i-h5-de2-clk";
>>>
>>>The A64 was released before the H5, so that should be the other way
>>>around.
>>>
>>>> + reg = <0x01000000 0x100000>;
>>>> + clocks = <&ccu CLK_DE>,
>>>> + <&ccu CLK_BUS_DE>;
>>>> + clock-names = "mod",
>>>> + "bus";
>>>> + resets = <&ccu RST_BUS_DE>;
>>>> + #clock-cells = <1>;
>>>> + #reset-cells = <1>;
>>>> + };
>>>> +
>>>
>>>So it turns out we don't need the SRAM to access the CCU driver?
>>
>> As now U-Boot claims SRAM, people may forget thus :-(
>
>I've sent few mails about how we represent de2 with sram_c [1] but
>none response after. Can I get further inputs so-that we can include
>sram_c in proper manner.
Please wait for the SRAMC driver sent by Chen-Yu (and commited
by me) and the DE2 bus driver pending for the SRAMC part.
>
>[1] https://patchwork.kernel.org/patch/10289737/
>
>Jagan.
>
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