Commit 77e2f4e3 authored by Xianwei Zhao's avatar Xianwei Zhao Committed by Neil Armstrong
Browse files

soc: c3: Add support for power domains controller 



Add support for C3 Power controller. C3 power control
registers are in secure domain, and should be accessed by SMC.

Signed-off-by: default avatarXianwei Zhao <xianwei.zhao@amlogic.com>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230707003710.2667989-4-xianwei.zhao@amlogic.com


Signed-off-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
parent 83b03d62

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

+26 −0
Original line number Diff line number Diff line
@@ -11,6 +11,7 @@ 
#include <linux/platform_device.h>

#include <linux/pm_domain.h>

#include <dt-bindings/power/meson-a1-power.h>

#include <dt-bindings/power/amlogic,c3-pwrc.h>

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

#include <linux/arm-smccc.h>

#include <linux/firmware/meson/meson_sm.h>
@@ -120,6 +121,22 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = { 
	SEC_PD(RSA,	0),

};



static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {

	SEC_PD(C3_NNA,	0),

	SEC_PD(C3_AUDIO,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_SDIOA,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_EMMC,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_USB_COMB, GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_SDCARD,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_ETH,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_GE2D,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_CVE,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_GDC_WRAP,	GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_ISP_TOP,		GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_MIPI_ISP_WRAP, GENPD_FLAG_ALWAYS_ON),

	SEC_PD(C3_VCODEC,	0),

};



static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {

	SEC_PD(S4_DOS_HEVC,	0),

	SEC_PD(S4_DOS_VDEC,	0),
@@ -202,6 +219,11 @@ 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_c3_pwrc_data = {

	.domains = c3_pwrc_domains,

	.count = ARRAY_SIZE(c3_pwrc_domains),

};



static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = {

	.domains = s4_pwrc_domains,

	.count = ARRAY_SIZE(s4_pwrc_domains),
@@ -212,6 +234,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = { 
		.compatible = "amlogic,meson-a1-pwrc",

		.data = &meson_secure_a1_pwrc_data,

	},

	{

		.compatible = "amlogic,c3-pwrc",

		.data = &amlogic_secure_c3_pwrc_data,

	},

	{

		.compatible = "amlogic,meson-s4-pwrc",

		.data = &meson_secure_s4_pwrc_data,