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Thu, 12 Mar 2026 17:59:16 -0700 (PDT) From: Kevin Hilman To: Parvathi Pudi , nm@ti.com, vigneshr@ti.com, afd@ti.com, rogerq@kernel.org, tony@atomide.com, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, richardcochran@gmail.com, aaro.koskinen@iki.fi, andreas@kemnade.info Cc: andrew@lunn.ch, linux-omap@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, danishanwar@ti.com, pratheesh@ti.com, j-rameshbabu@ti.com, praneeth@ti.com, srk@ti.com, rogerq@ti.com, m-malladi@ti.com, krishna@couthit.com, mohan@couthit.com, pmohan@couthit.com, basharath@couthit.com, parvathi@couthit.com, Murali Karicheri Subject: Re: [PATCH v5 3/3] arm: dts: ti: Add device tree support for PRU-ICSS on AM335x In-Reply-To: <20260307122641.738450-4-parvathi@couthit.com> References: <20260307122641.738450-1-parvathi@couthit.com> <20260307122641.738450-4-parvathi@couthit.com> Date: Thu, 12 Mar 2026 17:59:15 -0700 Message-ID: <7ho6ks1r4s.fsf@baylibre.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain Parvathi Pudi writes: > From: Roger Quadros > > The TI Sitara AM335x ICE-V2 consists of single PRU-ICSS instance, > This patch adds the new device tree overlay file in-order to enable > PRU-ICSS instance, along with makefile changes. > > PRU-ICSS instance consists of two PRU cores along with various > peripherals such as the Interrupt Controller (PRU_INTC), the Industrial > Ethernet Peripheral(IEP), the Real Time Media Independent Interface > controller (MII_RT), and the Enhanced Capture (eCAP) event module. > > am33xx-l4.dtsi - Adds IEP and eCAP peripheral as child nodes > of the PRUSS subsystem node. > > am335x-icev2-prueth.dtso - Adds PRU-ICSS instance node along with PRU > eth port information and corresponding port configuration. It includes > interrupt mapping for packet reception, HW timestamp collection, and PRU > Ethernet ports in MII mode, > > GPIO configuration, boot strapping along with delay configuration for > individual PRU Ethernet port and other required nodes. > > Signed-off-by: Roger Quadros > Signed-off-by: Andrew F. Davis > Signed-off-by: Murali Karicheri > Signed-off-by: Basharath Hussain Khaja > Signed-off-by: Parvathi Pudi [...] > +/* > + * Disable CPSW switch node and > + * MDIO configuration to prevent > + * conflict with PRU-ICSS > + */ > +&mac_sw { > + status = "disable"; > +}; > + > +&davinci_mdio_sw { > + status = "disable"; > +}; I think you need s/disable/disabled/? (note the trailing 'd'). Without that, I don't think you're disabling these nodes, so I'm curious how it is not conflicting with the PRU-ICSS. Kevin