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| author | Dmitry Osipenko <digetx@gmail.com> | 2020-11-04 19:49:08 +0300 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzk@kernel.org> | 2020-11-26 18:50:35 +0100 |
| commit | 06f079816d4c4e43d4128f394ae249934a32dffd (patch) | |
| tree | 972b94fdb2280d22cfe3a3b5e53c5b6efc51406a /include/soc | |
| parent | d5ecac0afa30811901eb401067f196e688aeb73e (diff) | |
| download | linux-06f079816d4c4e43d4128f394ae249934a32dffd.tar.bz2 | |
memory: tegra-mc: Add interconnect framework
Add common SoC-agnostic ICC framework which turns Tegra Memory Controller
into a memory interconnection provider. This allows us to use interconnect
API for tuning of memory configurations.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Tested-by: Peter Geis <pgwipeout@gmail.com>
Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Link: https://lore.kernel.org/r/20201104164923.21238-33-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Diffstat (limited to 'include/soc')
| -rw-r--r-- | include/soc/tegra/mc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/include/soc/tegra/mc.h b/include/soc/tegra/mc.h index d9395af98143..43876216de34 100644 --- a/include/soc/tegra/mc.h +++ b/include/soc/tegra/mc.h @@ -6,7 +6,9 @@ #ifndef __SOC_TEGRA_MC_H__ #define __SOC_TEGRA_MC_H__ +#include <linux/bits.h> #include <linux/err.h> +#include <linux/interconnect-provider.h> #include <linux/reset-controller.h> #include <linux/types.h> @@ -141,6 +143,17 @@ struct tegra_mc_reset_ops { const struct tegra_mc_reset *rst); }; +#define TEGRA_MC_ICC_TAG_DEFAULT 0 +#define TEGRA_MC_ICC_TAG_ISO BIT(0) + +struct tegra_mc_icc_ops { + int (*set)(struct icc_node *src, struct icc_node *dst); + int (*aggregate)(struct icc_node *node, u32 tag, u32 avg_bw, + u32 peak_bw, u32 *agg_avg, u32 *agg_peak); + struct icc_node_data *(*xlate_extended)(struct of_phandle_args *spec, + void *data); +}; + struct tegra_mc_soc { const struct tegra_mc_client *clients; unsigned int num_clients; @@ -160,6 +173,8 @@ struct tegra_mc_soc { const struct tegra_mc_reset_ops *reset_ops; const struct tegra_mc_reset *resets; unsigned int num_resets; + + const struct tegra_mc_icc_ops *icc_ops; }; struct tegra_mc { @@ -178,6 +193,8 @@ struct tegra_mc { struct reset_controller_dev reset; + struct icc_provider provider; + spinlock_t lock; }; |