[PATCH v1 16/29] memory: tegra: Add interconnect nodes for Terga124 display controllers

Dmitry Osipenko
2019-11-18T20:05:55Z

Add initial interconnect nodes that allow display controller driver
to perform memory bandwidth requests using interconnect API.

Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
---
drivers/memory/tegra/tegra124.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)

diff --git a/drivers/memory/tegra/tegra124.c b/drivers/memory/tegra/tegra124.c
index 493b5dc3a4b3..dae6b366281f 100644
--- a/drivers/memory/tegra/tegra124.c
+++ b/drivers/memory/tegra/tegra124.c
@@ -6,6 +6,7 @@
#include <linux/of.h>
#include <linux/mm.h>

+#include <dt-bindings/interconnect/tegra-icc.h>
#include <dt-bindings/memory/tegra124-mc.h>

#include "mc.h"
@@ -1028,6 +1029,17 @@ static const unsigned long tegra124_mc_emem_regs[] = {
MC_EMEM_ARB_RING1_THROTTLE
};

+#define TEGRA124_MC_ICC(_name) \
+ { \
+ .name = #_name, \
+ .id = TEGRA_ICC_MC_##_name, \
+ }
+
+static const struct tegra_mc_icc_node tegra124_mc_icc_nodes[] = {
+ TEGRA124_MC_ICC(DC),
+ TEGRA124_MC_ICC(DCB),
+};
+
static const struct tegra_smmu_soc tegra124_smmu_soc = {
.clients = tegra124_mc_clients,
.num_clients = ARRAY_SIZE(tegra124_mc_clients),
@@ -1056,6 +1068,8 @@ const struct tegra_mc_soc tegra124_mc_soc = {
.reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra124_mc_resets,
.num_resets = ARRAY_SIZE(tegra124_mc_resets),
+ .icc_nodes = tegra124_mc_icc_nodes,
+ .num_icc_nodes = ARRAY_SIZE(tegra124_mc_icc_nodes),
};
#endif /* CONFIG_ARCH_TEGRA_124_SOC */

@@ -1086,5 +1100,7 @@ const struct tegra_mc_soc tegra132_mc_soc = {
.reset_ops = &tegra_mc_reset_ops_common,
.resets = tegra124_mc_resets,
.num_resets = ARRAY_SIZE(tegra124_mc_resets),
+ .icc_nodes = tegra124_mc_icc_nodes,
+ .num_icc_nodes = ARRAY_SIZE(tegra124_mc_icc_nodes),
};
#endif /* CONFIG_ARCH_TEGRA_132_SOC */
--
2.23.0