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soc: apple: mailbox: Add Apple A11 and T2 mailbox support

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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>
This commit is contained in:
Nick Chan
2025-08-21 23:56:39 +08:00
committed by Sven Peter
parent 32299eb034
commit fee2e558b4
1 changed files with 19 additions and 0 deletions
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19
drivers/soc/apple/mailbox.c
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@@ -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 },
{}
};