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[61.92.221.177]) by smtp.googlemail.com with ESMTPSA id 41be03b00d2f7-b47640afb33sm5094320a12.38.2025.08.21.08.57.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Aug 2025 08:57:27 -0700 (PDT) From: Nick Chan Date: Thu, 21 Aug 2025 23:56:39 +0800 Subject: [PATCH v3 2/9] soc: apple: mailbox: Add Apple A11 and T2 mailbox support Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250821-t8015-nvme-v3-2-14a4178adf68@gmail.com> References: <20250821-t8015-nvme-v3-0-14a4178adf68@gmail.com> In-Reply-To: <20250821-t8015-nvme-v3-0-14a4178adf68@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/ZANAwAKAQHKCLemxQgkAcsmYgBop0HUsDkeUyeY8L8Ri1VshHhDwApV456m3+yPI 5Fi+gqjcEeJAjMEAAEKAB0WIQRLUnh4XJes95w8aIMBygi3psUIJAUCaKdB1AAKCRABygi3psUI JPpqEACU9bzBFeE/CYD4VSK97ziuAegkJJYF/LPx5Ws6y6IIDDAhrhJKUyNxTI6OpltFHUqA0F/ i4ANEHT/uMb2Y9iJr9Ydp6oP6s6bex2+Jr/xYe3OtGPO1cWitxqEhUORWZ4qViICtbJ6D/H6Cwz CZ2+GyBHtn6vggUsNFH0hJMJ2h32eRNBlP8i3MRI1k+RUasl5GQIQLwMRhlVuUJ/1mdkqzIqKEm 0PiIXBv166RtN0aWa3cC/3Ck+vuK3Lc5pzpj1JLM6hyDTW0Xmhq7j3gR+f3GF+x2B2vQ+/tccQd Mn81SfmS7f37AcPsh1PfvmHs5xJjOl9T6ryDVFNIwxMwpPGf++ISMkgn0zvwj9x9jXfbhFhBiMn nCSOWlAI1/q+2hn1lbgtdVM0b4ZNWcoakAH9CVoOWOU47okzBVXfK9FKlCb86eYryM2KlvXfCez 5utJZjQdIL47aXWOtrSh8U5avHWRj5Ondzi72vl01s3g9Kn4tYOzFh2g8mc90aOhgR0yUTYtycV bAn2p4vHQfOJZqLv6hXlzIyp5ROriNbr7tw0jaFRYtk+uVIvJr5/asLUQBAE2DX6J+XUWHr062o cUfoL0d1tyLIFPSuvZ6QstRD7eGGBfpd9g7IGp1eRPz5isuWprfzyC2alt+VrBhp7kmyErDogqW Ktfu26RYg2uDigA== 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..8f29108dc69ac964236121d439e86c923a441265 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 +#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) @@ -382,6 +385,21 @@ static int apple_mbox_probe(struct platform_device *pdev) return 0; } +static const struct apple_mbox_hw apple_mbox_t8015_hw = { + .control_full = APPLE_ASC_MBOX_CONTROL_FULL, + .control_empty = APPLE_ASC_MBOX_CONTROL_EMPTY, + + .a2i_control = APPLE_T8015_MBOX_A2I_CONTROL, + .a2i_send0 = APPLE_ASC_MBOX_A2I_SEND0, + .a2i_send1 = APPLE_ASC_MBOX_A2I_SEND1, + + .i2a_control = APPLE_T8015_MBOX_I2A_CONTROL, + .i2a_recv0 = APPLE_ASC_MBOX_I2A_RECV0, + .i2a_recv1 = APPLE_ASC_MBOX_I2A_RECV1, + + .has_irq_controls = false, +}; + static const struct apple_mbox_hw apple_mbox_asc_hw = { .control_full = APPLE_ASC_MBOX_CONTROL_FULL, .control_empty = APPLE_ASC_MBOX_CONTROL_EMPTY, @@ -418,6 +436,7 @@ static const struct apple_mbox_hw apple_mbox_m3_hw = { static const struct of_device_id apple_mbox_of_match[] = { { .compatible = "apple,asc-mailbox-v4", .data = &apple_mbox_asc_hw }, + { .compatible = "apple,t8015-asc-mailbox", .data = &apple_mbox_t8015_hw }, { .compatible = "apple,m3-mailbox-v2", .data = &apple_mbox_m3_hw }, {} }; -- 2.50.1