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>

diff --git a/drivers/clk/at91/at91rm9200.c b/drivers/clk/at91/at91rm9200.c
index 38bdb49..2c3d8e6 100644 (file)
--- 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 6d0723a..bb81ff7 100644 (file)
--- 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 fe9d391..c88ee20 100644 (file)
--- 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 aaf4da3..93f7eb2 100644 (file)
--- 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 0d1cc44..a343eb6 100644 (file)
--- 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 52a9d2f..22b9aad 100644 (file)
--- 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 8ee66fb..fcf8f6a 100644 (file)
--- 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 1b90c4f..a50084d 100644 (file)
--- 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 34c9506..8d3e22f 100644 (file)
--- 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 f090518..d8d4b28 100644 (file)
--- 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 c7765b6..8b22076 100644 (file)
--- 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 49ec596..7c6e0a5 100644 (file)
--- 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 fa12189..92d8d41 100644 (file)
--- 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;