Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
soc: apple: mailbox: Add Apple A11 and T2 mailbox support
Add ASC mailbox support for Apple A11 and T2 SoCs, which is used for
coprocessors in the system.
Reviewed-by: Sven Peter <sven@kernel.org>
Signed-off-by: Nick Chan <towinchenmi@gmail.com>
Link: https://lore.kernel.org/r/20250821-t8015-nvme-v3-2-14a4178adf68@gmail.com
Signed-off-by: Sven Peter <sven@kernel.org>
authored by
Nick Chan
and committed by
Sven Peter
fee2e558
32299eb0
+19
+19
drivers/soc/apple/mailbox.c
+19
drivers/soc/apple/mailbox.c
···
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#define APPLE_ASC_MBOX_I2A_RECV0 0x830
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#define APPLE_ASC_MBOX_I2A_RECV1 0x838
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#define APPLE_T8015_MBOX_A2I_CONTROL 0x108
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#define APPLE_T8015_MBOX_I2A_CONTROL 0x10c
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#define APPLE_M3_MBOX_CONTROL_FULL BIT(16)
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#define APPLE_M3_MBOX_CONTROL_EMPTY BIT(17)
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···
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return 0;
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}
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static const struct apple_mbox_hw apple_mbox_t8015_hw = {
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.control_full = APPLE_ASC_MBOX_CONTROL_FULL,
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.control_empty = APPLE_ASC_MBOX_CONTROL_EMPTY,
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+
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.a2i_control = APPLE_T8015_MBOX_A2I_CONTROL,
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.a2i_send0 = APPLE_ASC_MBOX_A2I_SEND0,
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.a2i_send1 = APPLE_ASC_MBOX_A2I_SEND1,
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+
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.i2a_control = APPLE_T8015_MBOX_I2A_CONTROL,
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.i2a_recv0 = APPLE_ASC_MBOX_I2A_RECV0,
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.i2a_recv1 = APPLE_ASC_MBOX_I2A_RECV1,
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.has_irq_controls = false,
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};
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static const struct apple_mbox_hw apple_mbox_asc_hw = {
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.control_full = APPLE_ASC_MBOX_CONTROL_FULL,
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.control_empty = APPLE_ASC_MBOX_CONTROL_EMPTY,
···
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static const struct of_device_id apple_mbox_of_match[] = {
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{ .compatible = "apple,asc-mailbox-v4", .data = &apple_mbox_asc_hw },
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{ .compatible = "apple,t8015-asc-mailbox", .data = &apple_mbox_t8015_hw },
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{ .compatible = "apple,m3-mailbox-v2", .data = &apple_mbox_m3_hw },
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{}
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};