From: Shunzhou Jiang <shunzhou.jiang@amlogic.com>
To: <linux-arm-kernel@lists.infradead.org>,
<linux-amlogic@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Cc: <narmstrong@baylibre.com>, <khilman@baylibre.com>,
<jbrunet@baylibre.com>, <martin.blumenstingl@googlemail.com>,
<jianxin.pan@amlogic.com>, <shunzhou.jiang@amlogic.com>
Subject: [PATCH V4 2/2] soc: s4: Add support for power domains controller
Date: Fri, 25 Feb 2022 14:44:55 +0800 [thread overview]
Message-ID: <20220225064455.1369197-3-shunzhou.jiang@amlogic.com> (raw)
In-Reply-To: <20220225064455.1369197-1-shunzhou.jiang@amlogic.com>
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>
---
drivers/soc/amlogic/meson-secure-pwrc.c | 22 ++++++++++++++++++++++
1 file changed, 22 insertions(+)
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);
--
2.34.1
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prev parent reply other threads:[~2022-02-25 6:45 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-25 6:44 [PATCH V4 0/2] Power: meson-s4: add s4 power domain driver Shunzhou Jiang
2022-02-25 6:44 ` [PATCH V4 1/2] dt-bindings: power: add Amlogic s4 power domains bindings Shunzhou Jiang
2022-02-25 7:46 ` Neil Armstrong
2022-02-25 6:44 ` Shunzhou Jiang [this message]
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