aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/clk/at91/clk-utmi.c
diff options
context:
space:
mode:
authorAlexandre Belloni <alexandre.belloni@bootlin.com>2018-10-16 16:21:53 +0200
committerStephen Boyd <sboyd@kernel.org>2018-10-17 10:45:39 -0700
commit62061d357c7f40dad558414895a182e70391513f (patch)
treee9f2639012b76bd67a0e4220402433c63dae70a8 /drivers/clk/at91/clk-utmi.c
parentclk: at91: add at91sam9rl PMC driver (diff)
downloadwireguard-linux-62061d357c7f40dad558414895a182e70391513f.tar.xz
wireguard-linux-62061d357c7f40dad558414895a182e70391513f.zip
clk: at91: move DT compatibility code to its own file
Move all the DT backward compatibility code to its own file so it can be deleted later. Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/at91/clk-utmi.c')
-rw-r--r--drivers/clk/at91/clk-utmi.c43
1 files changed, 0 insertions, 43 deletions
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c
index 6c69b6ac71e1..9a970abf3489 100644
--- a/drivers/clk/at91/clk-utmi.c
+++ b/drivers/clk/at91/clk-utmi.c
@@ -157,46 +157,3 @@ at91_clk_register_utmi(struct regmap *regmap_pmc, struct regmap *regmap_sfr,
return hw;
}
-
-static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
-{
- struct clk_hw *hw;
- const char *parent_name;
- const char *name = np->name;
- struct regmap *regmap_pmc, *regmap_sfr;
-
- parent_name = of_clk_get_parent_name(np, 0);
-
- of_property_read_string(np, "clock-output-names", &name);
-
- regmap_pmc = syscon_node_to_regmap(of_get_parent(np));
- if (IS_ERR(regmap_pmc))
- return;
-
- /*
- * If the device supports different mainck rates, this value has to be
- * set in the UTMI Clock Trimming register.
- * - 9x5: mainck supports several rates but it is indicated that a
- * 12 MHz is needed in case of USB.
- * - sama5d3 and sama5d2: mainck supports several rates. Configuring
- * the FREQ field of the UTMI Clock Trimming register is mandatory.
- * - sama5d4: mainck is at 12 MHz.
- *
- * We only need to retrieve sama5d3 or sama5d2 sfr regmap.
- */
- regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d3-sfr");
- if (IS_ERR(regmap_sfr)) {
- regmap_sfr = syscon_regmap_lookup_by_compatible("atmel,sama5d2-sfr");
- if (IS_ERR(regmap_sfr))
- regmap_sfr = NULL;
- }
-
- hw = at91_clk_register_utmi(regmap_pmc, regmap_sfr, name, parent_name);
- if (IS_ERR(hw))
- return;
-
- of_clk_add_hw_provider(np, of_clk_hw_simple_get, hw);
- return;
-}
-CLK_OF_DECLARE(at91sam9x5_clk_utmi, "atmel,at91sam9x5-clk-utmi",
- of_at91sam9x5_clk_utmi_setup);