From: Nishanth Menon <nm@ti.com> To: Gowtham Tammana <g-tammana@ti.com> Cc: <robh+dt@kernel.org>, Tero Kristo <t-kristo@ti.com>, <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org> Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-j7200-main: Add main domain watchdog entries Date: Fri, 18 Dec 2020 08:07:25 -0600 [thread overview] Message-ID: <20201218140725.6ierioowdufl52bv@unfilled> (raw) In-Reply-To: <20201217000716.11091-3-g-tammana@ti.com> On 18:07-20201216, Gowtham Tammana wrote: > Add DT entries for main domain watchdog instances. Please add a note to indicate that these are the only watchdogs that are visible to Linux and ARMv8 systems. You may need to repost the dts patch once you have the > > Signed-off-by: Gowtham Tammana <g-tammana@ti.com> > --- > arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > index 72d6496e88dd..de430d44c2a6 100644 > --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > @@ -303,6 +303,24 @@ main_uart9: serial@2890000 { > clock-names = "fclk"; > }; > > + watchdog0: watchdog@2200000 { If you are going to strengthen the node-names up (recommend we do that), you might want to use a regex and lock things down. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation//devicetree/bindings/watchdog/ti,rti-wdt.yaml#n26 That is much better option that expecting people to read the example and follow the convention. > + compatible = "ti,j7-rti-wdt"; > + reg = <0x0 0x2200000 0x0 0x100>; we try and keep 0x00 instead of 0x0 -> see other places in the dtsi > + clocks = <&k3_clks 252 1>; > + power-domains = <&k3_pds 252 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 252 1>; > + assigned-clock-parents = <&k3_clks 252 5>; > + }; > + > + watchdog1: watchdog@2210000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x0 0x2210000 0x0 0x100>; > + clocks = <&k3_clks 253 1>; > + power-domains = <&k3_pds 253 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 253 1>; > + assigned-clock-parents = <&k3_clks 253 5>; > + }; > + > main_i2c0: i2c@2000000 { > compatible = "ti,j721e-i2c", "ti,omap4-i2c"; > reg = <0x00 0x2000000 0x00 0x100>; -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D
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From: Nishanth Menon <nm@ti.com> To: Gowtham Tammana <g-tammana@ti.com> Cc: Tero Kristo <t-kristo@ti.com>, devicetree@vger.kernel.org, robh+dt@kernel.org, linux-arm-kernel@lists.infradead.org Subject: Re: [PATCH 2/2] arm64: dts: ti: k3-j7200-main: Add main domain watchdog entries Date: Fri, 18 Dec 2020 08:07:25 -0600 [thread overview] Message-ID: <20201218140725.6ierioowdufl52bv@unfilled> (raw) In-Reply-To: <20201217000716.11091-3-g-tammana@ti.com> On 18:07-20201216, Gowtham Tammana wrote: > Add DT entries for main domain watchdog instances. Please add a note to indicate that these are the only watchdogs that are visible to Linux and ARMv8 systems. You may need to repost the dts patch once you have the > > Signed-off-by: Gowtham Tammana <g-tammana@ti.com> > --- > arch/arm64/boot/dts/ti/k3-j7200-main.dtsi | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > index 72d6496e88dd..de430d44c2a6 100644 > --- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi > @@ -303,6 +303,24 @@ main_uart9: serial@2890000 { > clock-names = "fclk"; > }; > > + watchdog0: watchdog@2200000 { If you are going to strengthen the node-names up (recommend we do that), you might want to use a regex and lock things down. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/Documentation//devicetree/bindings/watchdog/ti,rti-wdt.yaml#n26 That is much better option that expecting people to read the example and follow the convention. > + compatible = "ti,j7-rti-wdt"; > + reg = <0x0 0x2200000 0x0 0x100>; we try and keep 0x00 instead of 0x0 -> see other places in the dtsi > + clocks = <&k3_clks 252 1>; > + power-domains = <&k3_pds 252 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 252 1>; > + assigned-clock-parents = <&k3_clks 252 5>; > + }; > + > + watchdog1: watchdog@2210000 { > + compatible = "ti,j7-rti-wdt"; > + reg = <0x0 0x2210000 0x0 0x100>; > + clocks = <&k3_clks 253 1>; > + power-domains = <&k3_pds 253 TI_SCI_PD_EXCLUSIVE>; > + assigned-clocks = <&k3_clks 253 1>; > + assigned-clock-parents = <&k3_clks 253 5>; > + }; > + > main_i2c0: i2c@2000000 { > compatible = "ti,j721e-i2c", "ti,omap4-i2c"; > reg = <0x00 0x2000000 0x00 0x100>; -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-12-18 14:09 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-12-17 0:07 [PATCH 0/2] Add watchdog dt nodes for TI's J7200 SoC Gowtham Tammana 2020-12-17 0:07 ` Gowtham Tammana 2020-12-17 0:07 ` [PATCH 1/2] dt-bindings: watchdog: change node name to generic Gowtham Tammana 2020-12-17 0:07 ` Gowtham Tammana 2020-12-18 14:02 ` Nishanth Menon 2020-12-18 14:02 ` Nishanth Menon 2021-01-07 1:46 ` Gowtham A Tammana 2021-01-07 1:46 ` Gowtham A Tammana 2020-12-17 0:07 ` [PATCH 2/2] arm64: dts: ti: k3-j7200-main: Add main domain watchdog entries Gowtham Tammana 2020-12-17 0:07 ` Gowtham Tammana 2020-12-18 14:07 ` Nishanth Menon [this message] 2020-12-18 14:07 ` Nishanth Menon 2021-01-07 1:34 ` Gowtham A Tammana 2021-01-07 1:34 ` Gowtham A Tammana
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