diff options
Diffstat (limited to 'drivers/gpu/drm/panfrost/panfrost_device.h')
| -rw-r--r-- | drivers/gpu/drm/panfrost/panfrost_device.h | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/drivers/gpu/drm/panfrost/panfrost_device.h b/drivers/gpu/drm/panfrost/panfrost_device.h index 06713811b92c..c30c719a8059 100644 --- a/drivers/gpu/drm/panfrost/panfrost_device.h +++ b/drivers/gpu/drm/panfrost/panfrost_device.h @@ -7,6 +7,7 @@ #include <linux/atomic.h> #include <linux/io-pgtable.h> +#include <linux/regulator/consumer.h> #include <linux/spinlock.h> #include <drm/drm_device.h> #include <drm/drm_mm.h> @@ -19,6 +20,8 @@ struct panfrost_job; struct panfrost_perfcnt; #define NUM_JOB_SLOTS 3 +#define MAX_REGULATORS 2 +#define MAX_PM_DOMAINS 3 struct panfrost_features { u16 id; @@ -51,6 +54,23 @@ struct panfrost_features { unsigned long hw_issues[64 / BITS_PER_LONG]; }; +/* + * Features that cannot be automatically detected and need matching using the + * compatible string, typically SoC-specific. + */ +struct panfrost_compatible { + /* Supplies count and names. */ + int num_supplies; + const char * const *supply_names; + /* + * Number of power domains required, note that values 0 and 1 are + * handled identically, as only values > 1 need special handling. + */ + int num_pm_domains; + /* Only required if num_pm_domains > 1. */ + const char * const *pm_domain_names; +}; + struct panfrost_device { struct device *dev; struct drm_device *ddev; @@ -59,10 +79,14 @@ struct panfrost_device { void __iomem *iomem; struct clk *clock; struct clk *bus_clock; - struct regulator *regulator; + struct regulator_bulk_data regulators[MAX_REGULATORS]; struct reset_control *rstc; + /* pm_domains for devices with more than one. */ + struct device *pm_domain_devs[MAX_PM_DOMAINS]; + struct device_link *pm_domain_links[MAX_PM_DOMAINS]; struct panfrost_features features; + const struct panfrost_compatible *comp; spinlock_t as_lock; unsigned long as_in_use_mask; |