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Tue, 28 Jan 2025 10:27:12 -0600 Received: from DFLE104.ent.ti.com (10.64.6.25) by DFLE100.ent.ti.com (10.64.6.21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23; Tue, 28 Jan 2025 10:27:11 -0600 Received: from lelvsmtp5.itg.ti.com (10.180.75.250) by DFLE104.ent.ti.com (10.64.6.25) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.23 via Frontend Transport; Tue, 28 Jan 2025 10:27:11 -0600 Received: from [128.247.81.105] (judy-hp.dhcp.ti.com [128.247.81.105]) by lelvsmtp5.itg.ti.com (8.15.2/8.15.2) with ESMTP id 50SGRBoE088372; Tue, 28 Jan 2025 10:27:11 -0600 Message-ID: <6d896633-0545-4e2c-ac7d-a05686a0df49@ti.com> Date: Tue, 28 Jan 2025 10:27:11 -0600 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/4] arm64: dts: ti: k3-am62-wakeup: Add wakeup r5f node To: Andrew Davis , Nishanth Menon , Vignesh Raghavendra CC: Rob Herring , Krzysztof Kozlowski , Conor Dooley , , , , Devarsh Thakkar , Hari Nagalla References: <20250127221631.3974583-1-jm@ti.com> <20250127221631.3974583-2-jm@ti.com> <950a1e23-a943-41b0-979a-4e7a4a264fdd@ti.com> Content-Language: en-US From: Judith Mendez In-Reply-To: <950a1e23-a943-41b0-979a-4e7a4a264fdd@ti.com> Content-Type: text/plain; charset="UTF-8"; format=flowed Content-Transfer-Encoding: 8bit X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea Hi Andrew, On 1/28/25 10:22 AM, Andrew Davis wrote: > On 1/27/25 4:16 PM, Judith Mendez wrote: >> From: Hari Nagalla >> >> AM62 SoC devices have a single core R5F processor in wakeup domain. >> The R5F processor in wakeup domain is used as a device manager >> for the SoC. >> >> Co-authored-by: Devarsh Thakkar >> Signed-off-by: Hari Nagalla >> [Judith: Fix commit message header] >> Signed-off-by: Judith Mendez >> --- >>   arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi | 24 ++++++++++++++++++++++ >>   1 file changed, 24 insertions(+) >> >> diff --git a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi >> b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi >> index 9b8a1f85aa15c..79708c1c214f8 100644 >> --- a/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi >> +++ b/arch/arm64/boot/dts/ti/k3-am62-wakeup.dtsi >> @@ -106,6 +106,30 @@ wkup_rti0: watchdog@2b000000 { >>           status = "reserved"; >>       }; >> +    wkup_r5fss0: r5fss@78000000 { >> +        compatible = "ti,am62-r5fss"; >> +        #address-cells = <1>; >> +        #size-cells = <1>; >> +        ranges = <0x78000000 0x00 0x78000000 0x8000>, >> +                 <0x78100000 0x00 0x78100000 0x8000>; >> +        power-domains = <&k3_pds 119 TI_SCI_PD_EXCLUSIVE>; >> + >> +        wkup_r5fss0_core0: r5f@78000000 { >> +            compatible = "ti,am62-r5f"; >> +            reg = <0x78000000 0x00008000>, >> +                  <0x78100000 0x00008000>; >> +            reg-names = "atcm", "btcm"; >> +            ti,sci = <&dmsc>; >> +            ti,sci-dev-id = <121>; >> +            ti,sci-proc-ids = <0x01 0xff>; >> +            resets = <&k3_reset 121 1>; >> +            firmware-name = >> "ti-sysfw/ti-fs-stub-firmware-am62x-gp-signed.bin"; > > What is this firmware name? This doesn't exist in linux-firmware, > should use the normal name like "am62-wkup-r5f0_0-fw", then we > can use symlinks in our userspace to map to whatever firmware we > want to run. Understood, will respin with fixed name, thanks. ~ Judith > > Andrew > >> +            ti,atcm-enable = <1>; >> +            ti,btcm-enable = <1>; >> +            ti,loczrama = <1>; >> +        }; >> +    }; >> + >>       wkup_vtm0: temperature-sensor@b00000 { >>           compatible = "ti,j7200-vtm"; >>           reg = <0x00 0xb00000 0x00 0x400>,