Commit ee4f8b74 authored by Xianwei Zhao's avatar Xianwei Zhao Committed by Ulf Hansson
Browse files

pmdomain: amlogic: Add support for A4 power domains controller 



Add support for A4 power controller. A4 power control
registers are in secure domain, and should be accessed by SMC.

Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: default avatarXianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20240529-a4_secpowerdomain-v2-2-47502fc0eaf3@amlogic.com


Signed-off-by: default avatarUlf Hansson <ulf.hansson@linaro.org>
parent 5bbe5872

drivers/pmdomain/amlogic/meson-secure-pwrc.c

+28 −0
Original line number Diff line number Diff line
@@ -14,6 +14,7 @@ 
#include <dt-bindings/power/amlogic,c3-pwrc.h>

#include <dt-bindings/power/meson-s4-power.h>

#include <dt-bindings/power/amlogic,t7-pwrc.h>

#include <dt-bindings/power/amlogic,a4-pwrc.h>

#include <linux/arm-smccc.h>

#include <linux/firmware/meson/meson_sm.h>

#include <linux/module.h>
@@ -136,6 +137,24 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = { 
	SEC_PD(RSA,	0),

};



static struct meson_secure_pwrc_domain_desc a4_pwrc_domains[] = {

	SEC_PD(A4_AUDIO,	0),

	SEC_PD(A4_SDIOA,	0),

	SEC_PD(A4_EMMC,	0),

	SEC_PD(A4_USB_COMB,	0),

	SEC_PD(A4_ETH,		0),

	SEC_PD(A4_VOUT,		0),

	SEC_PD(A4_AUDIO_PDM,	0),

	/* DMC is for DDR PHY ana/dig and DMC, and should be always on */

	SEC_PD(A4_DMC,	GENPD_FLAG_ALWAYS_ON),

	/* WRAP is secure_top, a lot of modules are included, and should be always on */

	SEC_PD(A4_SYS_WRAP,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(A4_AO_I2C_S,	0),

	SEC_PD(A4_AO_UART,	0),

	/* IR is wake up trigger source, and should be always on */

	SEC_PD(A4_AO_IR,	GENPD_FLAG_ALWAYS_ON),

};



static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {

	SEC_PD(C3_NNA,		0),

	SEC_PD(C3_AUDIO,	0),
@@ -311,6 +330,11 @@ static struct meson_secure_pwrc_domain_data meson_secure_a1_pwrc_data = { 
	.count = ARRAY_SIZE(a1_pwrc_domains),

};



static struct meson_secure_pwrc_domain_data amlogic_secure_a4_pwrc_data = {

	.domains = a4_pwrc_domains,

	.count = ARRAY_SIZE(a4_pwrc_domains),

};



static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {

	.domains = c3_pwrc_domains,

	.count = ARRAY_SIZE(c3_pwrc_domains),
@@ -331,6 +355,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = { 
		.compatible = "amlogic,meson-a1-pwrc",

		.data = &meson_secure_a1_pwrc_data,

	},

	{

		.compatible = "amlogic,a4-pwrc",

		.data = &amlogic_secure_a4_pwrc_data,

	},

	{

		.compatible = "amlogic,c3-pwrc",

		.data = &amlogic_secure_c3_pwrc_data,