On 28/03/2023 12:45, Julien Panis wrote: > > > On 3/28/23 08:51, Krzysztof Kozlowski wrote: >> On 27/03/2023 17:40, Julien Panis wrote: >>> TPS6594 is a Power Management IC which provides regulators and others >>> features like GPIOs, RTC, watchdog, ESMs (Error Signal Monitor), and >>> PFSM (Pre-configurable Finite State Machine) managing the state of the >>> device. >>> TPS6594 is the super-set device while TPS6593 and LP8764X are derivatives. >>> >>> Signed-off-by: Julien Panis <jpanis@xxxxxxxxxxxx> >>> --- >>> .../devicetree/bindings/mfd/ti,tps6594.yaml | 231 ++++++++++++++++++ >>> 1 file changed, 231 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/mfd/ti,tps6594.yaml >>> >>> diff --git a/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml >>> new file mode 100644 >>> index 000000000000..4498e6361b34 >>> --- /dev/null >>> +++ b/Documentation/devicetree/bindings/mfd/ti,tps6594.yaml >>> @@ -0,0 +1,231 @@ >>> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause >>> +%YAML 1.2 >>> +--- >>> +$id: http://devicetree.org/schemas/mfd/ti,tps6594.yaml# >>> +$schema: http://devicetree.org/meta-schemas/core.yaml# >>> + >>> +title: TI TPS6594 Power Management Integrated Circuit >>> + >>> +maintainers: >>> + - Julien Panis <jpanis@xxxxxxxxxxxx> >>> + >>> +description: >>> + TPS6594 is a Power Management IC which provides regulators and others >>> + features like GPIOs, RTC, watchdog, ESMs (Error Signal Monitor), and >>> + PFSM (Pre-configurable Finite State Machine) managing the state of the device. >>> + TPS6594 is the super-set device while TPS6593 and LP8764X are derivatives. >> LP8764X? Compatible says LP8764. >> >>> + >>> +properties: >>> + compatible: >>> + enum: >>> + - ti,lp8764 >> It's confusing. If x was wildcard, didn't you remove part of model name? > > OK, I will remove 'X' from model name in v5. There is no x in compatible. What is (are) the model name(s)? > >> >> >>> + - ti,tps6593 >>> + - ti,tps6594 (...) >>> + >>> + rtc: >>> + type: object >>> + description: RTC provided by this controller. >>> + $ref: /schemas/rtc/rtc.yaml# >> I doubt that you can have here any RTC and any watchdog (below). This >> should be specific binding instead. Or list of compatibles if you have 3 >> or more possible bindings. >> >> Additionally, judging by your DTS you do not have any resources in rtc >> and watchdog, so these should not be nodes by themself in such case. > > It seems that I can't figure out what you and Rob mean by saying that > "binding must be complete" and that "RTC and watchdog may or may not > need binding changes". > What does "specific binding" mean ? Specific means not loose, not generic, precise with some accurate properties. > Should we add some specific property > for RTC/WDG provided by the PMIC ? You know ask me to know what is in your device. I don't know. You should know. > Should we write another yaml for both > of them ? Depends. Pretty often yes, but think what do you want to put there? > Why shouldn't they use the generic rtc/watchdog yaml ? There are no properties in these nodes, so you do not need nodes. Or if you have properties then you need specific binding, not generic one. > I don't > understand why they would need some "binding changes". Any example > I could refer to ? (I might have not looked at the relevant ones for my case > before sending this v4) git grep $ref | grep rtc.yaml Best regards, Krzysztof