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soc: c3: Add support for power domains controller

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

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230707003710.2667989-4-xianwei.zhao@amlogic.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
This commit is contained in:
Xianwei Zhao 2023-07-07 08:37:09 +08:00 committed by Neil Armstrong
parent 83b03d6293
commit 77e2f4e3cb
1 changed files with 26 additions and 0 deletions
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26
drivers/soc/amlogic/meson-secure-pwrc.c
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@ -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,