Merging upstream version 6.7.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

2 files changed, 153 insertions, 13 deletions

diff --git a/drivers/pmdomain/amlogic/Kconfig b/drivers/pmdomain/amlogic/Kconfig
new file mode 100644
index 0000000000..2108729909
--- /dev/null
+++ b/drivers/pmdomain/amlogic/Kconfig
@@ -0,0 +1,39 @@
+# SPDX-License-Identifier: GPL-2.0-only
+menu "Amlogic PM Domains"
+
+config MESON_GX_PM_DOMAINS
+	tristate "Amlogic Meson GX Power Domains driver"
+	depends on ARCH_MESON || COMPILE_TEST
+	depends on PM && OF
+	default ARCH_MESON
+	select PM_GENERIC_DOMAINS
+	select PM_GENERIC_DOMAINS_OF
+	help
+	  Say yes to expose Amlogic Meson GX Power Domains as
+	  Generic Power Domains.
+
+config MESON_EE_PM_DOMAINS
+	tristate "Amlogic Meson Everything-Else Power Domains driver"
+	depends on ARCH_MESON || COMPILE_TEST
+	depends on PM && OF
+	default ARCH_MESON
+	select PM_GENERIC_DOMAINS
+	select PM_GENERIC_DOMAINS_OF
+	help
+	  Say yes to expose Amlogic Meson Everything-Else Power Domains as
+	  Generic Power Domains.
+
+config MESON_SECURE_PM_DOMAINS
+	tristate "Amlogic Meson Secure Power Domains driver"
+	depends on (ARCH_MESON || COMPILE_TEST) && MESON_SM
+	depends on PM && OF
+	depends on HAVE_ARM_SMCCC
+	default ARCH_MESON
+	select PM_GENERIC_DOMAINS
+	select PM_GENERIC_DOMAINS_OF
+	help
+	  Support for the power controller on Amlogic A1/C1 series.
+	  Say yes to expose Amlogic Meson Secure Power Domains as Generic
+	  Power Domains.
+
+endmenu
diff --git a/drivers/pmdomain/amlogic/meson-secure-pwrc.c b/drivers/pmdomain/amlogic/meson-secure-pwrc.c
index 89c881c56c..4d5bda0d60 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);