Commit fee2e558 authored by Nick Chan's avatar Nick Chan Committed by Sven Peter
Browse files

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: default avatarSven Peter <sven@kernel.org>
Signed-off-by: default avatarNick Chan <towinchenmi@gmail.com>
Link: https://lore.kernel.org/r/20250821-t8015-nvme-v3-2-14a4178adf68@gmail.com


Signed-off-by: default avatarSven Peter <sven@kernel.org>
parent 32299eb0

drivers/soc/apple/mailbox.c

+19 −0
Original line number Diff line number Diff line
@@ -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 },

	{}

};