From: Michael Walle <michael@walle.cc> To: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>, Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Claudiu Beznea <claudiu.beznea@microchip.com>, Tudor.Ambarus@microchip.com, Horatiu Vultur <horatiu.vultur@microchip.com>, Michael Walle <michael@walle.cc> Subject: [PATCH v4 10/13] ARM: dts: lan966x: add reset switch reset node Date: Tue, 3 May 2022 00:41:24 +0200 [thread overview] Message-ID: <20220502224127.2604333-11-michael@walle.cc> (raw) In-Reply-To: <20220502224127.2604333-1-michael@walle.cc> Add the switch reset node which will later be used by the switch driver. The switch reset also resets the GPIO controller and the SGPIO controller, thus it also has to be connectected to these nodes. This way the reset will only issued once for the first device requesting the reset. Signed-off-by: Michael Walle <michael@walle.cc> --- arch/arm/boot/dts/lan966x.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi index 0442735910da..7020b31322d8 100644 --- a/arch/arm/boot/dts/lan966x.dtsi +++ b/arch/arm/boot/dts/lan966x.dtsi @@ -391,6 +391,11 @@ watchdog: watchdog@e0090000 { status = "disabled"; }; + cpu_ctrl: syscon@e00c0000 { + compatible = "microchip,lan966x-cpu-syscon", "syscon"; + reg = <0xe00c0000 0x350>; + }; + can0: can@e081c000 { compatible = "bosch,m_can"; reg = <0xe081c000 0xfc>, <0x00100000 0x4000>; @@ -406,10 +411,20 @@ can0: can@e081c000 { status = "disabled"; }; + reset: reset-controller@e200400c { + compatible = "microchip,lan966x-switch-reset"; + reg = <0xe200400c 0x4>; + reg-names = "gcb"; + #reset-cells = <1>; + cpu-syscon = <&cpu_ctrl>; + }; + gpio: pinctrl@e2004064 { compatible = "microchip,lan966x-pinctrl"; reg = <0xe2004064 0xb4>, <0xe2010024 0x138>; + resets = <&reset 0>; + reset-names = "switch"; gpio-controller; #gpio-cells = <2>; gpio-ranges = <&gpio 0 0 78>; @@ -453,6 +468,8 @@ sgpio: gpio@e2004190 { compatible = "microchip,sparx5-sgpio"; reg = <0xe2004190 0x118>; clocks = <&sys_clk>; + resets = <&reset 0>; + reset-names = "switch"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Michael Walle <michael@walle.cc> To: Kavyasree Kotagiri <kavyasree.kotagiri@microchip.com>, Nicolas Ferre <nicolas.ferre@microchip.com> Cc: Arnd Bergmann <arnd@arndb.de>, Olof Johansson <olof@lixom.net>, soc@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>, Alexandre Belloni <alexandre.belloni@bootlin.com>, Claudiu Beznea <claudiu.beznea@microchip.com>, Tudor.Ambarus@microchip.com, Horatiu Vultur <horatiu.vultur@microchip.com>, Michael Walle <michael@walle.cc> Subject: [PATCH v4 10/13] ARM: dts: lan966x: add reset switch reset node Date: Tue, 3 May 2022 00:41:24 +0200 [thread overview] Message-ID: <20220502224127.2604333-11-michael@walle.cc> (raw) In-Reply-To: <20220502224127.2604333-1-michael@walle.cc> Add the switch reset node which will later be used by the switch driver. The switch reset also resets the GPIO controller and the SGPIO controller, thus it also has to be connectected to these nodes. This way the reset will only issued once for the first device requesting the reset. Signed-off-by: Michael Walle <michael@walle.cc> --- arch/arm/boot/dts/lan966x.dtsi | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/lan966x.dtsi b/arch/arm/boot/dts/lan966x.dtsi index 0442735910da..7020b31322d8 100644 --- a/arch/arm/boot/dts/lan966x.dtsi +++ b/arch/arm/boot/dts/lan966x.dtsi @@ -391,6 +391,11 @@ watchdog: watchdog@e0090000 { status = "disabled"; }; + cpu_ctrl: syscon@e00c0000 { + compatible = "microchip,lan966x-cpu-syscon", "syscon"; + reg = <0xe00c0000 0x350>; + }; + can0: can@e081c000 { compatible = "bosch,m_can"; reg = <0xe081c000 0xfc>, <0x00100000 0x4000>; @@ -406,10 +411,20 @@ can0: can@e081c000 { status = "disabled"; }; + reset: reset-controller@e200400c { + compatible = "microchip,lan966x-switch-reset"; + reg = <0xe200400c 0x4>; + reg-names = "gcb"; + #reset-cells = <1>; + cpu-syscon = <&cpu_ctrl>; + }; + gpio: pinctrl@e2004064 { compatible = "microchip,lan966x-pinctrl"; reg = <0xe2004064 0xb4>, <0xe2010024 0x138>; + resets = <&reset 0>; + reset-names = "switch"; gpio-controller; #gpio-cells = <2>; gpio-ranges = <&gpio 0 0 78>; @@ -453,6 +468,8 @@ sgpio: gpio@e2004190 { compatible = "microchip,sparx5-sgpio"; reg = <0xe2004190 0x118>; clocks = <&sys_clk>; + resets = <&reset 0>; + reset-names = "switch"; #address-cells = <1>; #size-cells = <0>; status = "disabled"; -- 2.30.2 _______________________________________________ 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:[~2022-05-02 22:42 UTC|newest] Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-05-02 22:41 [PATCH v4 00/13] ARM: dts: lan966x: dtsi improvements and KSwitch D10 support Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 01/13] ARM: dts: lan966x: swap dma channels for crypto node Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 02/13] ARM: dts: lan966x: add sgpio node Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 03/13] ARM: dts: lan966x: add missing uart DMA channel Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 04/13] ARM: dts: lan966x: add all flexcom usart nodes Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 05/13] ARM: dts: lan966x: add flexcom SPI nodes Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 06/13] ARM: dts: lan966x: add flexcom I2C nodes Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 07/13] ARM: dts: lan966x: add basic Kontron KSwitch D10 support Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-02 22:41 ` [PATCH v4 08/13] ARM: dts: lan966x: add hwmon node Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-09 6:25 ` Claudiu.Beznea 2022-05-09 6:25 ` Claudiu.Beznea 2022-05-02 22:41 ` [PATCH v4 09/13] ARM: dts: lan966x: add MIIM nodes Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-09 6:26 ` Claudiu.Beznea 2022-05-09 6:26 ` Claudiu.Beznea 2022-05-02 22:41 ` Michael Walle [this message] 2022-05-02 22:41 ` [PATCH v4 10/13] ARM: dts: lan966x: add reset switch reset node Michael Walle 2022-05-09 6:26 ` Claudiu.Beznea 2022-05-09 6:26 ` Claudiu.Beznea 2022-05-02 22:41 ` [PATCH v4 11/13] ARM: dts: lan966x: add serdes node Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-09 6:26 ` Claudiu.Beznea 2022-05-09 6:26 ` Claudiu.Beznea 2022-05-02 22:41 ` [PATCH v4 12/13] ARM: dts: lan966x: add switch node Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-09 6:27 ` Claudiu.Beznea 2022-05-09 6:27 ` Claudiu.Beznea 2022-05-02 22:41 ` [PATCH v4 13/13] ARM: dts: kswitch-d10: enable networking Michael Walle 2022-05-02 22:41 ` Michael Walle 2022-05-09 6:27 ` Claudiu.Beznea 2022-05-09 6:27 ` Claudiu.Beznea 2022-05-04 10:16 ` [PATCH v4 00/13] ARM: dts: lan966x: dtsi improvements and KSwitch D10 support Horatiu Vultur 2022-05-04 10:16 ` Horatiu Vultur 2022-05-11 9:07 ` Michael Walle 2022-05-11 9:07 ` Michael Walle
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