[PATCH 2/3] pmdomain: amlogic: Add support for A4 power domains controller

Xianwei Zhao via B4 Relay
2024-05-28T08:40:06Z

From: Xianwei Zhao <xianwei.zhao@amlogic.com>

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

Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
drivers/pmdomain/amlogic/meson-secure-pwrc.c | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)

diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
index 4d5bda0d60fc..3a84d8a74a5e 100644
--- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
+++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
@@ -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,

--
2.37.1