Three new gates have been added for Tegra124: SOR, VIC and IRAM. In
addition, PCIe and SATA gates are again supported, like on Tegra20 and
Tegra30.
Signed-off-by: Thierry Reding <treding@xxxxxxxxxx>
---
arch/arm/mach-tegra/powergate.c | 42 +++++++++++++++++++++++++++++++++++++++++
include/linux/tegra-powergate.h | 3 +++
2 files changed, 45 insertions(+)
diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c
index 547f63f69f1e..dd0d52b329de 100644
--- a/arch/arm/mach-tegra/powergate.c
+++ b/arch/arm/mach-tegra/powergate.c
@@ -74,6 +74,13 @@ static const u8 tegra114_cpu_domains[] = {
TEGRA_POWERGATE_CPU3,
};
+static const u8 tegra124_cpu_domains[] = {
+ TEGRA_POWERGATE_CPU0,
+ TEGRA_POWERGATE_CPU1,
+ TEGRA_POWERGATE_CPU2,
+ TEGRA_POWERGATE_CPU3,
+};
+
static DEFINE_SPINLOCK(tegra_powergate_lock);
static void __iomem *pmc = IO_ADDRESS(TEGRA_PMC_BASE);
@@ -221,6 +228,11 @@ int __init tegra_powergate_init(void)
tegra_num_cpu_domains = 4;
tegra_cpu_domains = tegra114_cpu_domains;
break;
+ case TEGRA124:
+ tegra_num_powerdomains = 25;
+ tegra_num_cpu_domains = 4;
+ tegra_cpu_domains = tegra124_cpu_domains;
+ break;
default:
/* Unknown Tegra variant. Disable powergating */
tegra_num_powerdomains = 0;
@@ -282,6 +294,33 @@ static const char * const powergate_name_t114[] = {
[TEGRA_POWERGATE_XUSBC] = "xusbc",
};
+static const char * const powergate_name_t124[] = {
+ [TEGRA_POWERGATE_CPU] = "crail",
+ [TEGRA_POWERGATE_3D] = "3d",
+ [TEGRA_POWERGATE_VENC] = "venc",
+ [TEGRA_POWERGATE_PCIE] = "pcie",
+ [TEGRA_POWERGATE_VDEC] = "vdec",
+ [TEGRA_POWERGATE_L2] = "l2",
+ [TEGRA_POWERGATE_MPE] = "mpe",
+ [TEGRA_POWERGATE_HEG] = "heg",
+ [TEGRA_POWERGATE_SATA] = "sata",
+ [TEGRA_POWERGATE_CPU1] = "cpu1",
+ [TEGRA_POWERGATE_CPU2] = "cpu2",
+ [TEGRA_POWERGATE_CPU3] = "cpu3",
+ [TEGRA_POWERGATE_CELP] = "celp",
+ [TEGRA_POWERGATE_CPU0] = "cpu0",
+ [TEGRA_POWERGATE_C0NC] = "c0nc",
+ [TEGRA_POWERGATE_C1NC] = "c1nc",
+ [TEGRA_POWERGATE_SOR] = "sor",
+ [TEGRA_POWERGATE_DIS] = "dis",
+ [TEGRA_POWERGATE_DISB] = "disb",
+ [TEGRA_POWERGATE_XUSBA] = "xusba",
+ [TEGRA_POWERGATE_XUSBB] = "xusbb",
+ [TEGRA_POWERGATE_XUSBC] = "xusbc",
+ [TEGRA_POWERGATE_VIC] = "vic",
+ [TEGRA_POWERGATE_IRAM] = "iram",
+};
+
static int powergate_show(struct seq_file *s, void *data)
{
int i;
@@ -326,6 +365,9 @@ int __init tegra_powergate_debugfs_init(void)
case TEGRA114:
powergate_name = powergate_name_t114;
break;
+ case TEGRA124:
+ powergate_name = powergate_name_t124;
+ break;
}
if (powergate_name) {
diff --git a/include/linux/tegra-powergate.h b/include/linux/tegra-powergate.h
index faa2bdb090d7..e6f2ab3014a7 100644
--- a/include/linux/tegra-powergate.h
+++ b/include/linux/tegra-powergate.h
@@ -38,11 +38,14 @@ struct reset_control;
#define TEGRA_POWERGATE_CPU0 14
#define TEGRA_POWERGATE_C0NC 15
#define TEGRA_POWERGATE_C1NC 16
+#define TEGRA_POWERGATE_SOR 17
#define TEGRA_POWERGATE_DIS 18
#define TEGRA_POWERGATE_DISB 19
#define TEGRA_POWERGATE_XUSBA 20
#define TEGRA_POWERGATE_XUSBB 21
#define TEGRA_POWERGATE_XUSBC 22
+#define TEGRA_POWERGATE_VIC 23
+#define TEGRA_POWERGATE_IRAM 24
#define TEGRA_POWERGATE_3D0 TEGRA_POWERGATE_3D
--
1.8.4.2
--
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