pmdomain: amlogic: Add support for A5 power domains controller

Add support for the A5 power controller, whose registers are
in the secure domain and should be accessed via SMC.

Signed-off-by: Hongyu Chen <hongyu.chen1@amlogic.com>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20240627-a5_secpower-v1-2-1f47dde1270c@amlogic.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
index df55674182263e02938b8e0470658b3b149a038e..f6729eea6b8cfa03776fdbde22da0e1f05b5e76f 100644 (file)
--- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
+++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
@@ -15,6 +15,7 @@
 #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 <dt-bindings/power/amlogic,a5-pwrc.h>
 #include <linux/arm-smccc.h>
 #include <linux/firmware/meson/meson_sm.h>
 #include <linux/module.h>
@@ -155,6 +156,22 @@ static struct meson_secure_pwrc_domain_desc a4_pwrc_domains[] = {
        SEC_PD(A4_AO_IR,        GENPD_FLAG_ALWAYS_ON),
 };
 
+static struct meson_secure_pwrc_domain_desc a5_pwrc_domains[] = {
+       SEC_PD(A5_NNA,          0),
+       SEC_PD(A5_AUDIO,        0),
+       SEC_PD(A5_SDIOA,        0),
+       SEC_PD(A5_EMMC,         0),
+       SEC_PD(A5_USB_COMB,     0),
+       SEC_PD(A5_ETH,          0),
+       SEC_PD(A5_RSA,          0),
+       SEC_PD(A5_AUDIO_PDM,    0),
+       /* DMC is for DDR PHY ana/dig and DMC, and should be always on */
+       SEC_PD(A5_DMC,          GENPD_FLAG_ALWAYS_ON),
+       /* WRAP is secure_top, a lot of modules are included, and should be always on */
+       SEC_PD(A5_SYS_WRAP,     GENPD_FLAG_ALWAYS_ON),
+       SEC_PD(A5_DSPA,         0),
+};
+
 static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
        SEC_PD(C3_NNA,          0),
        SEC_PD(C3_AUDIO,        0),
@@ -335,6 +352,11 @@ static struct meson_secure_pwrc_domain_data amlogic_secure_a4_pwrc_data = {
        .count = ARRAY_SIZE(a4_pwrc_domains),
 };
 
+static struct meson_secure_pwrc_domain_data amlogic_secure_a5_pwrc_data = {
+       .domains = a5_pwrc_domains,
+       .count = ARRAY_SIZE(a5_pwrc_domains),
+};
+
 static struct meson_secure_pwrc_domain_data amlogic_secure_c3_pwrc_data = {
        .domains = c3_pwrc_domains,
        .count = ARRAY_SIZE(c3_pwrc_domains),
@@ -359,6 +381,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = {
                .compatible = "amlogic,a4-pwrc",
                .data = &amlogic_secure_a4_pwrc_data,
        },
+       {
+               .compatible = "amlogic,a5-pwrc",
+               .data = &amlogic_secure_a5_pwrc_data,
+       },
        {
                .compatible = "amlogic,c3-pwrc",
                .data = &amlogic_secure_c3_pwrc_data,