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[61.92.221.177]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-b422b7b2700sm23504993a12.15.2025.08.11.06.51.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 11 Aug 2025 06:51:30 -0700 (PDT) From: Nick Chan Date: Mon, 11 Aug 2025 21:50:54 +0800 Subject: [PATCH 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: <20250811-t8015-nvme-v1-2-ef9c200e74a7@gmail.com> References: <20250811-t8015-nvme-v1-0-ef9c200e74a7@gmail.com> In-Reply-To: <20250811-t8015-nvme-v1-0-ef9c200e74a7@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=1891; i=towinchenmi@gmail.com; h=from:subject:message-id; bh=rwyfTWY33eH9/JkH2R41w9Wvs6PBkQcZY8fhDT+IUjE=; b=owEBbQKS/ZANAwAKAQHKCLemxQgkAcsmYgBomfVQudOR+VSigIgYYBjen/pSrND3fNHu5gx3t v0Alm1eGAyJAjMEAAEKAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCaJn1UAAKCRABygi3psUI JKYXEACymLu/6TH8J0+/T0V91LKlcavy6HnXo0LFirBif/9o5t1dfJ5yjxGlBO6Z1Z/Vgcmckmy icO9lENZrFE3D78uNj+Qwk6QbNnKKWPg/dlUKoRj5bKFmJWvnvQ4aLkXVzArxKPqgmNasnh86XB 9iP+k3huSCfnNor5IAFCeHwSbBnpH4V3pW8CEL7glJDGRJwyK1xOjJFk09RBev/ej/MWNRfQCbw oTGGGzhVBoZ36hfc/lTrx8lOytQC01PyEnmN82HS1ASgVCz42/VuTgjm+NNX/ghzm6PuPv6IA61 spstvz84jxbigjK2czdXEIQdACdyIXk9g0BcRh7nEe1A1bQkRE1EJ0vH8ND9I40mf6qZjBMmebg NUMEZh+6qXpFejhVyGXAFbyH7CQQyje5S7qkKXBwu9Yl9YGRVQ3by1B66o5AQMoOGZ1c9cV6AD5 z89XG5JXa7l/oO9te7Cs75Wlm2kC1qq1jT9lrWFh3XRcLFzsGJTl97nr6auM3KAoxmJ3zCCFMmm FHDWC8QUDeJxCAKsQedw13eiUcGkMaBhJHb5ByQe4HwF8ErM6kMjXDLMVRQ3YWYT0VBg0G9ZBpa bw4YB1AEURxDCOFjyUFoutlTMrBgTbXqE6njnA0T4JOW5AXp2QInJNBrUTC9uEn9ws9+bWi8aDe 8FayRVsJAt+R/Zg== 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. Signed-off-by: Nick Chan Reviewed-by: Sven Peter --- 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