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[61.92.221.177]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-2446d538f75sm74090925ad.108.2025.08.18.01.43.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Aug 2025 01:43:35 -0700 (PDT) From: Nick Chan Date: Mon, 18 Aug 2025 16:42:55 +0800 Subject: [PATCH v2 2/9] soc: apple: mailbox: Add Apple A11 and T2 mailbox support Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250818-t8015-nvme-v2-2-65648cd189e0@gmail.com> References: <20250818-t8015-nvme-v2-0-65648cd189e0@gmail.com> In-Reply-To: <20250818-t8015-nvme-v2-0-65648cd189e0@gmail.com> To: Sven Peter , Janne Grunau , Alyssa Rosenzweig , Neal Gompa , Jassi Brar , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Hector Martin , Joerg Roedel , Will Deacon , Robin Murphy , Keith Busch , Jens Axboe , Christoph Hellwig , Sagi Grimberg Cc: asahi@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, iommu@lists.linux.dev, linux-nvme@lists.infradead.org, Nick Chan X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1934; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=svMsQbdVjQ089a4loHQsnYthHi7jkbh4sKxZEGMZ2G4=; b=owEBbQKS/ZANAwAKAQHKCLemxQgkAcsmYgBoouelfGGdkBgEHG0WSSN06ixVCaplhe9IXYpwA fSyXY6BH+iJAjMEAAEKAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCaKLnpQAKCRABygi3psUI JKi9EACPGx5B4ynlooZmqJSOUDRbTtw86AQjMxJMrqdy5M9a1dzv/ohFAvFKQVLkTWDQJGsNEMT 4RtdLI4zz9tUFdf//1mm/KicenY/m7IcOgEDsHpD9fQ5qBphjPm5/VZtiUt5L9xi/3rOXqf6key BNsUCY1kM46g4TbPTKnh4ztQMVoyI3jjBY3QQXG04K4zZfK5sTpDx2uVkk8T/yYbu5ThaAvHh2O VXctp72NYqR4fR9ANuln87BRqce6uRTZnyq9xZl4HGext90aQtMG52Ng/T1voOek3oSCvJgxbXZ 4r+UePjqz77cmbN1N4qdjPql4Y8qemXMpHkMtGoa7ugfi5VDEbFVbVE03PKr424RqZBtOEMpoT/ uflfkwncEWHHXVaYhT2d56PDjPT2sgiTEZhL4xEq0dTpI3fmtY/jr44Tq9+05EtAHuKpjAgHUP2 1y5VX02TT6/BzZU1adsjPlFMHiw2013wQXEa+AStCGIv/3i9YJ3/Jsi0xhMd0b8qEEslubbK9Xi 7BfSuo9xGQBSzPVXcP1GBtogu/XCbTQn9M/NRLy9d5i5NTdXKNCLqfoHMIqMN/39zgy8WexrhVo i7/woatmmUWbQU53nzm7IpIWuuiqTIFh5KOfX9Cb6eoLi4heaPFsp9vAg9Z8LCPASVZttAkn1Hg eKljbtns6nT9W4A== X-Developer-Key: i=towinchenmi@gmail.com; a=openpgp; fpr=4B5278785C97ACF79C3C688301CA08B7A6C50824 Add ASC mailbox support for Apple A11 and T2 SoCs, which is used for coprocessors in the system. Reviewed-by: Sven Peter Signed-off-by: Nick Chan --- drivers/soc/apple/mailbox.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/soc/apple/mailbox.c b/drivers/soc/apple/mailbox.c index 49a0955e82d6cf5eef83e5f63ba8d31194c65324..8f29108dc69ac964236121d439e= 86c923a441265 100644 --- a/drivers/soc/apple/mailbox.c +++ b/drivers/soc/apple/mailbox.c @@ -47,6 +47,9 @@ #define APPLE_ASC_MBOX_I2A_RECV0 0x830 #define APPLE_ASC_MBOX_I2A_RECV1 0x838 =20 +#define APPLE_T8015_MBOX_A2I_CONTROL 0x108 +#define APPLE_T8015_MBOX_I2A_CONTROL 0x10c + #define APPLE_M3_MBOX_CONTROL_FULL BIT(16) #define APPLE_M3_MBOX_CONTROL_EMPTY BIT(17) =20 @@ -382,6 +385,21 @@ static int apple_mbox_probe(struct platform_device *pd= ev) return 0; } =20 +static const struct apple_mbox_hw apple_mbox_t8015_hw =3D { + .control_full =3D APPLE_ASC_MBOX_CONTROL_FULL, + .control_empty =3D APPLE_ASC_MBOX_CONTROL_EMPTY, + + .a2i_control =3D APPLE_T8015_MBOX_A2I_CONTROL, + .a2i_send0 =3D APPLE_ASC_MBOX_A2I_SEND0, + .a2i_send1 =3D APPLE_ASC_MBOX_A2I_SEND1, + + .i2a_control =3D APPLE_T8015_MBOX_I2A_CONTROL, + .i2a_recv0 =3D APPLE_ASC_MBOX_I2A_RECV0, + .i2a_recv1 =3D APPLE_ASC_MBOX_I2A_RECV1, + + .has_irq_controls =3D false, +}; + static const struct apple_mbox_hw apple_mbox_asc_hw =3D { .control_full =3D APPLE_ASC_MBOX_CONTROL_FULL, .control_empty =3D APPLE_ASC_MBOX_CONTROL_EMPTY, @@ -418,6 +436,7 @@ static const struct apple_mbox_hw apple_mbox_m3_hw =3D { =20 static const struct of_device_id apple_mbox_of_match[] =3D { { .compatible =3D "apple,asc-mailbox-v4", .data =3D &apple_mbox_asc_hw }, + { .compatible =3D "apple,t8015-asc-mailbox", .data =3D &apple_mbox_t8015_= hw }, { .compatible =3D "apple,m3-mailbox-v2", .data =3D &apple_mbox_m3_hw }, {} }; --=20 2.50.1