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clk: berlin: prepare simple-mfd conversion 

Prepare conversion of berlin clk drivers to a simple-mfd sub-node by
checking for parent node compatible. If parent node is "syscon" compatible
use it for of_iomap instead of the own node.

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Acked-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
This commit is contained in:
Antoine Tenart 2015-05-16 01:40:15 +02:00 committed by Sebastian Hesselbarth
parent f90bec209c
commit 26b3b6b959
2 changed files with 12 additions and 0 deletions
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6
drivers/clk/berlin/bg2.c
View File

@ -502,11 +502,15 @@ static const struct berlin2_gate_data bg2_gates[] __initconst = {
static void __init berlin2_clock_setup(struct device_node *np)
{
struct device_node *parent_np = of_get_parent(np);
const char *parent_names[9];
struct clk *clk;
u8 avpll_flags = 0;
int n;
if (of_device_is_compatible(parent_np, "syscon"))
np = parent_np;
gbase = of_iomap(np, 0);
if (!gbase)
return;
@ -689,3 +693,5 @@ CLK_OF_DECLARE(berlin2_clock, "marvell,berlin2-chip-ctrl",
berlin2_clock_setup);
CLK_OF_DECLARE(berlin2cd_clock, "marvell,berlin2cd-chip-ctrl",
berlin2_clock_setup);
CLK_OF_DECLARE(berlin2_clk, "marvell,berlin2-clk",
berlin2_clock_setup);

6
drivers/clk/berlin/bg2q.c
View File

@ -290,10 +290,14 @@ static const struct berlin2_gate_data bg2q_gates[] __initconst = {
static void __init berlin2q_clock_setup(struct device_node *np)
{
struct device_node *parent_np = of_get_parent(np);
const char *parent_names[9];
struct clk *clk;
int n;
if (of_device_is_compatible(parent_np, "syscon"))
np = parent_np;
gbase = of_iomap(np, 0);
if (!gbase) {
pr_err("%s: Unable to map global base\n", np->full_name);
@ -386,3 +390,5 @@ bg2q_fail:
}
CLK_OF_DECLARE(berlin2q_clock, "marvell,berlin2q-chip-ctrl",
berlin2q_clock_setup);
CLK_OF_DECLARE(berlin2q_clk, "marvell,berlin2q-clk",
berlin2q_clock_setup);