clk: at91: clk-programmable: add mux_table option

Add mux table option. This is necessary for IP versions that has
gaps in the range of available clock sources (e.g. SAMA7G5).

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/1595403506-8209-15-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>

13 files changed, 38 insertions, 17 deletions

diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c
index 38bdb4981315..2c3d8e6ca63c 100644
--- a/drivers/clk/at91/at91rm9200.c
+++ b/drivers/clk/at91/at91rm9200.c
@@ -160,7 +160,8 @@ static void __init at91rm9200_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 4, i,
-						    &at91rm9200_programmable_layout);
+						    &at91rm9200_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9260.c b/drivers/clk/at91/at91sam9260.c
index 6d0723aa8b13..bb81ff731ad8 100644
--- a/drivers/clk/at91/at91sam9260.c
+++ b/drivers/clk/at91/at91sam9260.c
@@ -436,7 +436,8 @@ static void __init at91sam926x_pmc_setup(struct device_node *np,
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 4, i,
-						    &at91rm9200_programmable_layout);
+						    &at91rm9200_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9g45.c b/drivers/clk/at91/at91sam9g45.c
index fe9d391adeba..c88ee20bee31 100644
--- a/drivers/clk/at91/at91sam9g45.c
+++ b/drivers/clk/at91/at91sam9g45.c
@@ -181,7 +181,8 @@ static void __init at91sam9g45_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 5, i,
-						    &at91sam9g45_programmable_layout);
+						    &at91sam9g45_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9n12.c b/drivers/clk/at91/at91sam9n12.c
index aaf4da30584e..93f7eb216122 100644
--- a/drivers/clk/at91/at91sam9n12.c
+++ b/drivers/clk/at91/at91sam9n12.c
@@ -199,7 +199,8 @@ static void __init at91sam9n12_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 5, i,
-						    &at91sam9x5_programmable_layout);
+						    &at91sam9x5_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9rl.c b/drivers/clk/at91/at91sam9rl.c
index 0d1cc44b056f..a343eb69bb35 100644
--- a/drivers/clk/at91/at91sam9rl.c
+++ b/drivers/clk/at91/at91sam9rl.c
@@ -137,7 +137,8 @@ static void __init at91sam9rl_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 5, i,
-						    &at91rm9200_programmable_layout);
+						    &at91rm9200_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/at91sam9x5.c b/drivers/clk/at91/at91sam9x5.c
index 52a9d2f7ec83..22b9aad9efb8 100644
--- a/drivers/clk/at91/at91sam9x5.c
+++ b/drivers/clk/at91/at91sam9x5.c
@@ -226,7 +226,8 @@ static void __init at91sam9x5_pmc_setup(struct device_node *np,
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 5, i,
-						    &at91sam9x5_programmable_layout);
+						    &at91sam9x5_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index 8ee66fbee3d9..fcf8f6a1c2c6 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -21,6 +21,7 @@
 struct clk_programmable {
 	struct clk_hw hw;
 	struct regmap *regmap;
+	u32 *mux_table;
 	u8 id;
 	const struct clk_programmable_layout *layout;
 };
@@ -108,6 +109,9 @@ static int clk_programmable_set_parent(struct clk_hw *hw, u8 index)
 	if (layout->have_slck_mck)
 		mask |= AT91_PMC_CSSMCK_MCK;
 
+	if (prog->mux_table)
+		pckr = clk_mux_index_to_val(prog->mux_table, 0, index);
+
 	if (index > layout->css_mask) {
 		if (index > PROG_MAX_RM9200_CSS && !layout->have_slck_mck)
 			return -EINVAL;
@@ -134,6 +138,9 @@ static u8 clk_programmable_get_parent(struct clk_hw *hw)
 	if (layout->have_slck_mck && (pckr & AT91_PMC_CSSMCK_MCK) && !ret)
 		ret = PROG_MAX_RM9200_CSS + 1;
 
+	if (prog->mux_table)
+		ret = clk_mux_val_to_index(&prog->hw, prog->mux_table, 0, ret);
+
 	return ret;
 }
 
@@ -182,7 +189,8 @@ struct clk_hw * __init
 at91_clk_register_programmable(struct regmap *regmap,
 			       const char *name, const char **parent_names,
 			       u8 num_parents, u8 id,
-			       const struct clk_programmable_layout *layout)
+			       const struct clk_programmable_layout *layout,
+			       u32 *mux_table)
 {
 	struct clk_programmable *prog;
 	struct clk_hw *hw;
@@ -206,6 +214,7 @@ at91_clk_register_programmable(struct regmap *regmap,
 	prog->layout = layout;
 	prog->hw.init = &init;
 	prog->regmap = regmap;
+	prog->mux_table = mux_table;
 
 	hw = &prog->hw;
 	ret = clk_hw_register(NULL, &prog->hw);
diff --git a/drivers/clk/at91/dt-compat.c b/drivers/clk/at91/dt-compat.c
index 1b90c4f7b1d1..a50084de97d4 100644
--- a/drivers/clk/at91/dt-compat.c
+++ b/drivers/clk/at91/dt-compat.c
@@ -677,7 +677,8 @@ CLK_OF_DECLARE(at91sam9x5_clk_plldiv, "atmel,at91sam9x5-clk-plldiv",
 
 static void __init
 of_at91_clk_prog_setup(struct device_node *np,
-		       const struct clk_programmable_layout *layout)
+		       const struct clk_programmable_layout *layout,
+		       u32 *mux_table)
 {
 	int num;
 	u32 id;
@@ -711,7 +712,7 @@ of_at91_clk_prog_setup(struct device_node *np,
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, num_parents,
-						    id, layout);
+						    id, layout, mux_table);
 		if (IS_ERR(hw))
 			continue;
 
@@ -721,21 +722,21 @@ of_at91_clk_prog_setup(struct device_node *np,
 
 static void __init of_at91rm9200_clk_prog_setup(struct device_node *np)
 {
-	of_at91_clk_prog_setup(np, &at91rm9200_programmable_layout);
+	of_at91_clk_prog_setup(np, &at91rm9200_programmable_layout, NULL);
 }
 CLK_OF_DECLARE(at91rm9200_clk_prog, "atmel,at91rm9200-clk-programmable",
 	       of_at91rm9200_clk_prog_setup);
 
 static void __init of_at91sam9g45_clk_prog_setup(struct device_node *np)
 {
-	of_at91_clk_prog_setup(np, &at91sam9g45_programmable_layout);
+	of_at91_clk_prog_setup(np, &at91sam9g45_programmable_layout, NULL);
 }
 CLK_OF_DECLARE(at91sam9g45_clk_prog, "atmel,at91sam9g45-clk-programmable",
 	       of_at91sam9g45_clk_prog_setup);
 
 static void __init of_at91sam9x5_clk_prog_setup(struct device_node *np)
 {
-	of_at91_clk_prog_setup(np, &at91sam9x5_programmable_layout);
+	of_at91_clk_prog_setup(np, &at91sam9x5_programmable_layout, NULL);
 }
 CLK_OF_DECLARE(at91sam9x5_clk_prog, "atmel,at91sam9x5-clk-programmable",
 	       of_at91sam9x5_clk_prog_setup);
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index 34c9506e6275..8d3e22f566cf 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -188,7 +188,8 @@ sam9x60_clk_register_pll(struct regmap *regmap, spinlock_t *lock,
 struct clk_hw * __init
 at91_clk_register_programmable(struct regmap *regmap, const char *name,
 			       const char **parent_names, u8 num_parents, u8 id,
-			       const struct clk_programmable_layout *layout);
+			       const struct clk_programmable_layout *layout,
+			       u32 *mux_table);
 
 struct clk_hw * __init
 at91_clk_register_sam9260_slow(struct regmap *regmap,
diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
index f090518d24a7..d8d4b28ec4cb 100644
--- a/drivers/clk/at91/sam9x60.c
+++ b/drivers/clk/at91/sam9x60.c
@@ -254,7 +254,8 @@ static void __init sam9x60_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 6, i,
-						    &sam9x60_programmable_layout);
+						    &sam9x60_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/sama5d2.c b/drivers/clk/at91/sama5d2.c
index c7765b664940..8b220762941a 100644
--- a/drivers/clk/at91/sama5d2.c
+++ b/drivers/clk/at91/sama5d2.c
@@ -268,7 +268,8 @@ static void __init sama5d2_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 6, i,
-						    &sama5d2_programmable_layout);
+						    &sama5d2_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/sama5d3.c b/drivers/clk/at91/sama5d3.c
index 49ec5964bcb3..7c6e0a5b9dc8 100644
--- a/drivers/clk/at91/sama5d3.c
+++ b/drivers/clk/at91/sama5d3.c
@@ -200,7 +200,8 @@ static void __init sama5d3_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 5, i,
-						    &at91sam9x5_programmable_layout);
+						    &at91sam9x5_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;
 
diff --git a/drivers/clk/at91/sama5d4.c b/drivers/clk/at91/sama5d4.c
index fa121897d95d..92d8d4141b43 100644
--- a/drivers/clk/at91/sama5d4.c
+++ b/drivers/clk/at91/sama5d4.c
@@ -223,7 +223,8 @@ static void __init sama5d4_pmc_setup(struct device_node *np)
 
 		hw = at91_clk_register_programmable(regmap, name,
 						    parent_names, 5, i,
-						    &at91sam9x5_programmable_layout);
+						    &at91sam9x5_programmable_layout,
+						    NULL);
 		if (IS_ERR(hw))
 			goto err_free;