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path: root/drivers/pmdomain/amlogic/meson-secure-pwrc.c
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Diffstat (limited to 'drivers/pmdomain/amlogic/meson-secure-pwrc.c')
-rw-r--r--drivers/pmdomain/amlogic/meson-secure-pwrc.c127
1 files changed, 114 insertions, 13 deletions
diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
index 89c881c56cd7..4d5bda0d60fc 100644
--- a/drivers/pmdomain/amlogic/meson-secure-pwrc.c
+++ b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
@@ -13,16 +13,19 @@
#include <dt-bindings/power/meson-a1-power.h>
#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 <linux/arm-smccc.h>
#include <linux/firmware/meson/meson_sm.h>
#include <linux/module.h>
#define PWRC_ON 1
#define PWRC_OFF 0
+#define PWRC_NO_PARENT UINT_MAX
struct meson_secure_pwrc_domain {
struct generic_pm_domain base;
unsigned int index;
+ unsigned int parent;
struct meson_secure_pwrc *pwrc;
};
@@ -34,6 +37,7 @@ struct meson_secure_pwrc {
struct meson_secure_pwrc_domain_desc {
unsigned int index;
+ unsigned int parent;
unsigned int flags;
char *name;
bool (*is_off)(struct meson_secure_pwrc_domain *pwrc_domain);
@@ -90,8 +94,19 @@ static int meson_secure_pwrc_on(struct generic_pm_domain *domain)
{ \
.name = #__name, \
.index = PWRC_##__name##_ID, \
- .is_off = pwrc_secure_is_off, \
+ .is_off = pwrc_secure_is_off, \
.flags = __flag, \
+ .parent = PWRC_NO_PARENT, \
+}
+
+#define TOP_PD(__name, __flag, __parent) \
+[PWRC_##__name##_ID] = \
+{ \
+ .name = #__name, \
+ .index = PWRC_##__name##_ID, \
+ .is_off = pwrc_secure_is_off, \
+ .flags = __flag, \
+ .parent = __parent, \
}
static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
@@ -122,18 +137,19 @@ static struct meson_secure_pwrc_domain_desc a1_pwrc_domains[] = {
};
static struct meson_secure_pwrc_domain_desc c3_pwrc_domains[] = {
- SEC_PD(C3_NNA, 0),
- SEC_PD(C3_AUDIO, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_SDIOA, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_EMMC, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_USB_COMB, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_SDCARD, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_ETH, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_GE2D, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_CVE, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_GDC_WRAP, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_ISP_TOP, GENPD_FLAG_ALWAYS_ON),
- SEC_PD(C3_MIPI_ISP_WRAP, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_NNA, 0),
+ SEC_PD(C3_AUDIO, 0),
+ SEC_PD(C3_SDIOA, 0),
+ SEC_PD(C3_EMMC, 0),
+ SEC_PD(C3_USB_COMB, 0),
+ SEC_PD(C3_SDCARD, 0),
+ /* ETH is for ethernet online wakeup, and should be always on */
+ SEC_PD(C3_ETH, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(C3_GE2D, 0),
+ SEC_PD(C3_CVE, 0),
+ SEC_PD(C3_GDC_WRAP, 0),
+ SEC_PD(C3_ISP_TOP, 0),
+ SEC_PD(C3_MIPI_ISP_WRAP, 0),
SEC_PD(C3_VCODEC, 0),
};
@@ -149,6 +165,69 @@ static struct meson_secure_pwrc_domain_desc s4_pwrc_domains[] = {
SEC_PD(S4_AUDIO, 0),
};
+static struct meson_secure_pwrc_domain_desc t7_pwrc_domains[] = {
+ SEC_PD(T7_DSPA, 0),
+ SEC_PD(T7_DSPB, 0),
+ TOP_PD(T7_DOS_HCODEC, 0, PWRC_T7_NIC3_ID),
+ TOP_PD(T7_DOS_HEVC, 0, PWRC_T7_NIC3_ID),
+ TOP_PD(T7_DOS_VDEC, 0, PWRC_T7_NIC3_ID),
+ TOP_PD(T7_DOS_WAVE, 0, PWRC_T7_NIC3_ID),
+ SEC_PD(T7_VPU_HDMI, 0),
+ SEC_PD(T7_USB_COMB, 0),
+ SEC_PD(T7_PCIE, 0),
+ TOP_PD(T7_GE2D, 0, PWRC_T7_NIC3_ID),
+ /* SRAMA is used as ATF runtime memory, and should be always on */
+ SEC_PD(T7_SRAMA, GENPD_FLAG_ALWAYS_ON),
+ /* SRAMB is used as ATF runtime memory, and should be always on */
+ SEC_PD(T7_SRAMB, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(T7_HDMIRX, 0),
+ SEC_PD(T7_VI_CLK1, 0),
+ SEC_PD(T7_VI_CLK2, 0),
+ /* ETH is for ethernet online wakeup, and should be always on */
+ SEC_PD(T7_ETH, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(T7_ISP, 0),
+ SEC_PD(T7_MIPI_ISP, 0),
+ TOP_PD(T7_GDC, 0, PWRC_T7_NIC3_ID),
+ TOP_PD(T7_DEWARP, 0, PWRC_T7_NIC3_ID),
+ SEC_PD(T7_SDIO_A, 0),
+ SEC_PD(T7_SDIO_B, 0),
+ SEC_PD(T7_EMMC, 0),
+ TOP_PD(T7_MALI_SC0, 0, PWRC_T7_NNA_TOP_ID),
+ TOP_PD(T7_MALI_SC1, 0, PWRC_T7_NNA_TOP_ID),
+ TOP_PD(T7_MALI_SC2, 0, PWRC_T7_NNA_TOP_ID),
+ TOP_PD(T7_MALI_SC3, 0, PWRC_T7_NNA_TOP_ID),
+ SEC_PD(T7_MALI_TOP, 0),
+ TOP_PD(T7_NNA_CORE0, 0, PWRC_T7_NNA_TOP_ID),
+ TOP_PD(T7_NNA_CORE1, 0, PWRC_T7_NNA_TOP_ID),
+ TOP_PD(T7_NNA_CORE2, 0, PWRC_T7_NNA_TOP_ID),
+ TOP_PD(T7_NNA_CORE3, 0, PWRC_T7_NNA_TOP_ID),
+ SEC_PD(T7_NNA_TOP, 0),
+ SEC_PD(T7_DDR0, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(T7_DDR1, GENPD_FLAG_ALWAYS_ON),
+ /* DMC0 is for DDR PHY ana/dig and DMC, and should be always on */
+ SEC_PD(T7_DMC0, GENPD_FLAG_ALWAYS_ON),
+ /* DMC1 is for DDR PHY ana/dig and DMC, and should be always on */
+ SEC_PD(T7_DMC1, GENPD_FLAG_ALWAYS_ON),
+ /* NOC is related to clk bus, and should be always on */
+ SEC_PD(T7_NOC, GENPD_FLAG_ALWAYS_ON),
+ /* NIC is for the Arm NIC-400 interconnect, and should be always on */
+ SEC_PD(T7_NIC2, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(T7_NIC3, 0),
+ /* CPU accesses the interleave data to the ddr need cci, and should be always on */
+ SEC_PD(T7_CCI, GENPD_FLAG_ALWAYS_ON),
+ SEC_PD(T7_MIPI_DSI0, 0),
+ SEC_PD(T7_SPICC0, 0),
+ SEC_PD(T7_SPICC1, 0),
+ SEC_PD(T7_SPICC2, 0),
+ SEC_PD(T7_SPICC3, 0),
+ SEC_PD(T7_SPICC4, 0),
+ SEC_PD(T7_SPICC5, 0),
+ SEC_PD(T7_EDP0, 0),
+ SEC_PD(T7_EDP1, 0),
+ SEC_PD(T7_MIPI_DSI1, 0),
+ SEC_PD(T7_AUDIO, 0),
+};
+
static int meson_secure_pwrc_probe(struct platform_device *pdev)
{
int i;
@@ -201,16 +280,29 @@ static int meson_secure_pwrc_probe(struct platform_device *pdev)
dom->pwrc = pwrc;
dom->index = match->domains[i].index;
+ dom->parent = match->domains[i].parent;
dom->base.name = match->domains[i].name;
dom->base.flags = match->domains[i].flags;
dom->base.power_on = meson_secure_pwrc_on;
dom->base.power_off = meson_secure_pwrc_off;
+ if (match->domains[i].is_off(dom) && (dom->base.flags & GENPD_FLAG_ALWAYS_ON))
+ meson_secure_pwrc_on(&dom->base);
+
pm_genpd_init(&dom->base, NULL, match->domains[i].is_off(dom));
pwrc->xlate.domains[i] = &dom->base;
}
+ for (i = 0; i < match->count; i++) {
+ struct meson_secure_pwrc_domain *dom = pwrc->domains;
+
+ if (!match->domains[i].name || match->domains[i].parent == PWRC_NO_PARENT)
+ continue;
+
+ pm_genpd_add_subdomain(&dom[dom[i].parent].base, &dom[i].base);
+ }
+
return of_genpd_add_provider_onecell(pdev->dev.of_node, &pwrc->xlate);
}
@@ -229,6 +321,11 @@ static struct meson_secure_pwrc_domain_data meson_secure_s4_pwrc_data = {
.count = ARRAY_SIZE(s4_pwrc_domains),
};
+static struct meson_secure_pwrc_domain_data amlogic_secure_t7_pwrc_data = {
+ .domains = t7_pwrc_domains,
+ .count = ARRAY_SIZE(t7_pwrc_domains),
+};
+
static const struct of_device_id meson_secure_pwrc_match_table[] = {
{
.compatible = "amlogic,meson-a1-pwrc",
@@ -242,6 +339,10 @@ static const struct of_device_id meson_secure_pwrc_match_table[] = {
.compatible = "amlogic,meson-s4-pwrc",
.data = &meson_secure_s4_pwrc_data,
},
+ {
+ .compatible = "amlogic,t7-pwrc",
+ .data = &amlogic_secure_t7_pwrc_data,
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, meson_secure_pwrc_match_table);
generated by cgit v1.2.3 (git 2.39.0) at 2024-07-12 11:39:50 +0300