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path: root/drivers/clk/rockchip/clk.c
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Diffstat (limited to 'drivers/clk/rockchip/clk.c')
-rw-r--r--drivers/clk/rockchip/clk.c38
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index cbf93ea119a9..19caf26c991b 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -382,6 +382,8 @@ static struct rockchip_clk_provider *rockchip_clk_init_base(
ctx->cru_node = np;
spin_lock_init(&ctx->lock);
+ hash_init(ctx->aux_grf_table);
+
ctx->grf = syscon_regmap_lookup_by_phandle(ctx->cru_node,
"rockchip,grf");
@@ -496,6 +498,8 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
struct rockchip_clk_branch *list,
unsigned int nr_clk)
{
+ struct regmap *grf = ctx->grf;
+ struct rockchip_aux_grf *agrf;
struct clk *clk;
unsigned int idx;
unsigned long flags;
@@ -504,6 +508,19 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
flags = list->flags;
clk = NULL;
+ /* for GRF-dependent branches, choose the right grf first */
+ if ((list->branch_type == branch_grf_mux ||
+ list->branch_type == branch_grf_gate ||
+ list->branch_type == branch_grf_mmc) &&
+ list->grf_type != grf_type_sys) {
+ hash_for_each_possible(ctx->aux_grf_table, agrf, node, list->grf_type) {
+ if (agrf->type == list->grf_type) {
+ grf = agrf->grf;
+ break;
+ }
+ }
+ }
+
/* catch simple muxes */
switch (list->branch_type) {
case branch_mux:
@@ -523,10 +540,10 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
list->mux_shift, list->mux_width,
list->mux_flags, &ctx->lock);
break;
- case branch_muxgrf:
+ case branch_grf_mux:
clk = rockchip_clk_register_muxgrf(list->name,
list->parent_names, list->num_parents,
- flags, ctx->grf, list->muxdiv_offset,
+ flags, grf, list->muxdiv_offset,
list->mux_shift, list->mux_width,
list->mux_flags);
break;
@@ -573,6 +590,13 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
ctx->reg_base + list->gate_offset,
list->gate_shift, list->gate_flags, &ctx->lock);
break;
+ case branch_grf_gate:
+ flags |= CLK_SET_RATE_PARENT;
+ clk = rockchip_clk_register_gate_grf(list->name,
+ list->parent_names[0], flags, grf,
+ list->gate_offset, list->gate_shift,
+ list->gate_flags);
+ break;
case branch_composite:
clk = rockchip_clk_register_branch(list->name,
list->parent_names, list->num_parents,
@@ -590,6 +614,16 @@ void rockchip_clk_register_branches(struct rockchip_clk_provider *ctx,
list->name,
list->parent_names, list->num_parents,
ctx->reg_base + list->muxdiv_offset,
+ NULL, 0,
+ list->div_shift
+ );
+ break;
+ case branch_grf_mmc:
+ clk = rockchip_clk_register_mmc(
+ list->name,
+ list->parent_names, list->num_parents,
+ NULL,
+ grf, list->muxdiv_offset,
list->div_shift
);
break;