On 9/8/20 8:26 AM, Crystal Guo wrote:
> On Thu, 2020-09-03 at 07:29 +0800, Suman Anna wrote:
>> Hi Crystal,
>>
>> On 8/16/20 10:03 PM, Crystal Guo wrote:
>>> add infracfg_rst node which is for MT8192 platform
>>>
>>> Signed-off-by: Crystal Guo <[email protected]>
>>
>> I understand you are posting these together for complete reference, but
>> driver
>> subsystem maintainers typically don't pick dts patches. In anycase, can you
>> clarify if your registers are self-clearing registers?
>>
>> regards
>> Suman
>>
> Hi Suman,
>
> Thanks for your reply.
> Our reset registers are not self-clearing, it needs to set the clear bit
> to 1 to clear the related bit.
> And should I separate this dts patch from the patch sets?
Typically yes, but will leave it upto Philipp and Mediatek DT maintainers.
regards
Suman
>
> regards
> Crystal
>>> ---
>>> arch/arm64/boot/dts/mediatek/mt8192.dtsi | 11 ++++++++++-
>>> 1 file changed, 10 insertions(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
>>> b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
>>> index 931e1ca17220..a0cb9904706b 100644
>>> --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
>>> +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
>>> @@ -10,6 +10,7 @@
>>> #include <dt-bindings/interrupt-controller/irq.h>
>>> #include <dt-bindings/pinctrl/mt8192-pinfunc.h>
>>> #include <dt-bindings/power/mt8192-power.h>
>>> +#include <dt-bindings/reset/ti-syscon.h>
>>>
>>> / {
>>> compatible = "mediatek,mt8192";
>>> @@ -219,9 +220,17 @@
>>> };
>>>
>>> infracfg: infracfg@10001000 {
>>> - compatible = "mediatek,mt8192-infracfg", "syscon";
>>> + compatible = "mediatek,mt8192-infracfg", "syscon",
>>> "simple-mfd";
>>> reg = <0 0x10001000 0 0x1000>;
>>> #clock-cells = <1>;
>>> +
>>> + infracfg_rst: reset-controller {
>>> + compatible = "mediatek,infra-reset",
>>> "ti,syscon-reset";
>>> + #reset-cells = <1>;
>>> + ti,reset-bits = <
>>> + 0x140 15 0x144 15 0 0 (ASSERT_SET |
>>> DEASSERT_SET | STATUS_NONE) /* 0: pcie */
>>> + >;
>>> + };
>>> };
>>>
>>> pericfg: pericfg@10003000 {
>>>
>>
>
