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Mon, 25 Sep 2023 01:40:13 -0700 (PDT) Received: from [192.168.1.20] ([178.197.219.100]) by smtp.gmail.com with ESMTPSA id v19-20020adf8b53000000b0032318649b21sm5970555wra.31.2023.09.25.01.40.11 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 Sep 2023 01:40:12 -0700 (PDT) Message-ID: <5187c590-ee9a-4c46-b326-655f4c371aaf@linaro.org> Date: Mon, 25 Sep 2023 10:40:10 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v4 4/7] arm64: dts: ti: k3-j784s4-main: Add the main domain watchdog instances Content-Language: en-US To: Keerthy , robh+dt@kernel.org, nm@ti.com, vigneshr@ti.com, conor+dt@kernel.org, kristo@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: u-kumar1@ti.com, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20230925081332.15906-1-j-keerthy@ti.com> <20230925081332.15906-5-j-keerthy@ti.com> From: Krzysztof Kozlowski Autocrypt: addr=krzysztof.kozlowski@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net On 25/09/2023 10:13, Keerthy wrote: > There are totally 19 instances of watchdog module. One each for the > 8 A72 cores, one each for the 4 C7x cores, 1 for the GPU, 1 each > for the 6 R5F cores in the main domain. Keeping only the A72 instances > enabled and disabling the rest by default. > > Signed-off-by: Keerthy > --- > arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi | 182 +++++++++++++++++++++ > 1 file changed, 182 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > index 26dc3776f911..8c3efe066803 100644 > --- a/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j784s4-main.dtsi > @@ -1576,4 +1576,186 @@ > <695>; > bootph-pre-ram; > }; > + > + watchdog0: watchdog@2200000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2200000 0x00 0x100>; > + clocks = <&k3_clks 348 1>; > + power-domains = <&k3_pds 348 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 348 0>; > + assigned-clock-parents = <&k3_clks 348 4>; > + }; > + > + watchdog1: watchdog@2210000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2210000 0x00 0x100>; > + clocks = <&k3_clks 349 1>; > + power-domains = <&k3_pds 349 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 349 0>; > + assigned-clock-parents = <&k3_clks 349 4>; > + }; > + > + watchdog2: watchdog@2220000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2220000 0x00 0x100>; > + clocks = <&k3_clks 350 1>; > + power-domains = <&k3_pds 350 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 350 0>; > + assigned-clock-parents = <&k3_clks 350 4>; > + }; > + > + watchdog3: watchdog@2230000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2230000 0x00 0x100>; > + clocks = <&k3_clks 351 1>; > + power-domains = <&k3_pds 351 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 351 0>; > + assigned-clock-parents = <&k3_clks 351 4>; > + }; > + > + watchdog4: watchdog@2240000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2240000 0x00 0x100>; > + clocks = <&k3_clks 352 1>; > + power-domains = <&k3_pds 352 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 352 0>; > + assigned-clock-parents = <&k3_clks 352 4>; > + }; > + > + watchdog5: watchdog@2250000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2250000 0x00 0x100>; > + clocks = <&k3_clks 353 1>; > + power-domains = <&k3_pds 353 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 353 0>; > + assigned-clock-parents = <&k3_clks 353 4>; > + }; > + > + watchdog6: watchdog@2260000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2260000 0x00 0x100>; > + clocks = <&k3_clks 354 1>; > + power-domains = <&k3_pds 354 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 354 0>; > + assigned-clock-parents = <&k3_clks 354 4>; > + }; > + > + watchdog7: watchdog@2270000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x00 0x2270000 0x00 0x100>; > + clocks = <&k3_clks 355 1>; > + power-domains = <&k3_pds 355 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 355 0>; > + assigned-clock-parents = <&k3_clks 355 4>; > + }; > + > + watchdog16: watchdog@2300000 { > + status = "disabled"; status is never first property. It is actually always last in node definition. > + compatible = "ti,j7-rti-wdt"; OTOH, compatible is always the first property. Always. There is no coding style which suggests different order. Best regards, Krzysztof