diff mbox series

[v2,2/3] pmdomain: amlogic: Add support for A4 power domains controller

Message ID 20240529-a4_secpowerdomain-v2-2-47502fc0eaf3@amlogic.com (mailing list archive)
State New, archived
Headers show
Series Power: A4: add power domain driver | expand

Commit Message

Xianwei Zhao via B4 Relay May 29, 2024, 3:10 a.m. UTC 
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.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Signed-off-by: Xianwei Zhao <xianwei.zhao@amlogic.com>
---
 drivers/pmdomain/amlogic/meson-secure-pwrc.c | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
diff mbox series

Patch

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,