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authorShunzhou Jiang <shunzhou.jiang@amlogic.com>2022-03-07 10:53:57 +0800
committerNeil Armstrong <narmstrong@baylibre.com>2022-03-07 09:40:39 +0100
commitf2b03c1056ef5c0829678f51273eace3e6327884 (patch)
treee1686e7882902fc9968f88fdd5f3565c934d873d /drivers/soc
parent40b358f6156ac516e33e5252a8769737054da24e (diff)
downloadlinux-f2b03c1056ef5c0829678f51273eace3e6327884.tar.bz2
soc: s4: Add support for power domains controller
Add support s4 Power controller. In s4, power control registers are in secure domain, and should be accessed by smc. Signed-off-by: Shunzhou Jiang <shunzhou.jiang@amlogic.com> Reviewed-by: Kevin Hilman <khilman@baylibre.com> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com> Link: https://lore.kernel.org/r/20220307025357.1368673-3-shunzhou.jiang@amlogic.com
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/amlogic/meson-secure-pwrc.c22
1 files changed, 22 insertions, 0 deletions
diff --git a/drivers/soc/amlogic/meson-secure-pwrc.c b/drivers/soc/amlogic/meson-secure-pwrc.c
index 59bd195fa9c9..a10a417a87db 100644
--- a/drivers/soc/amlogic/meson-secure-pwrc.c
+++ b/drivers/soc/amlogic/meson-secure-pwrc.c
@@ -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/meson-s4-power.h>
#include <linux/arm-smccc.h>
#include <linux/firmware/meson/meson_sm.h>
#include <linux/module.h>
@@ -119,6 +120,18 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
SEC_PD(RSA, 0),
};
+static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
+ SEC_PD(S4_DOS_HEVC, 0),
+ SEC_PD(S4_DOS_VDEC, 0),
+ SEC_PD(S4_VPU_HDMI, 0),
+ SEC_PD(S4_USB_COMB, 0),
+ SEC_PD(S4_GE2D, 0),
+ /* ETH is for ethernet online wakeup, and should be always on */
+ SEC_PD(S4_ETH, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(S4_DEMOD, 0),
+ SEC_PD(S4_AUDIO, 0),
+};
+
static int meson_secure_pwrc_probe(struct platform_device *pdev)
{
int i;
@@ -187,11 +200,20 @@ 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 meson_secure_s4_pwrc_data = {
+ .domains = s4_pwrc_domains,
+ .count = ARRAY_SIZE(s4_pwrc_domains),
+};
+
static const struct of_device_id meson_secure_pwrc_match_table[] = {
{
.compatible = "amlogic,meson-a1-pwrc",
.data = &meson_secure_a1_pwrc_data,
},
+ {
+ .compatible = "amlogic,meson-s4-pwrc",
+ .data = &meson_secure_s4_pwrc_data,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);