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pmdomain: amlogic: Add support for A4 power domains controller

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

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Link: https://lore.kernel.org/r/20240529-a4_secpowerdomain-v2-2-47502fc0eaf3@amlogic.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Xianwei Zhao 2024-05-29 11:10:34 +08:00 committed by Ulf Hansson
parent 5bbe5872fe
commit ee4f8b74ec
1 changed files with 28 additions and 0 deletions
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28
drivers/pmdomain/amlogic/meson-secure-pwrc.c
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@ -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,