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authorArnd Bergmann <arnd@arndb.de>2015-10-15 22:41:04 +0200
committerArnd Bergmann <arnd@arndb.de>2015-10-15 22:41:04 +0200
commit41e602e8af1300471e79e298a7276226344071db (patch)
tree79b49827adbd9ab6221444f956538cced52be15b
parent7a0205bc1895132d6a56fbbadf01885c4a4f0743 (diff)
parent515f1a2027006839c08c842da919abfcc3c7ae2a (diff)
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Merge tag 'berlin-new-cpuclk-for-4.4-1' of git://git.infradead.org/users/hesselba/linux-berlin into next/drivers
Merge "Marvell Berlin BG2Q CPU clock driver" from Sebastian Hesselbarth: - add BG2Q CPU clock to clk driver * tag 'berlin-new-cpuclk-for-4.4-1' of git://git.infradead.org/users/hesselba/linux-berlin: clk: berlin: add cpuclk ARM: berlin: dts: add CLKID_CPU for BG2Q
-rw-r--r--drivers/clk/berlin/bg2q.c14
-rw-r--r--include/dt-bindings/clock/berlin2q.h1
2 files changed, 8 insertions, 7 deletions
diff --git a/drivers/clk/berlin/bg2q.c b/drivers/clk/berlin/bg2q.c
index 221f40c2b850..72d2f3500db8 100644
--- a/drivers/clk/berlin/bg2q.c
+++ b/drivers/clk/berlin/bg2q.c
@@ -45,7 +45,7 @@
#define REG_SDIO0XIN_CLKCTL 0x0158
#define REG_SDIO1XIN_CLKCTL 0x015c
-#define MAX_CLKS 27
+#define MAX_CLKS 28
static struct clk *clks[MAX_CLKS];
static struct clk_onecell_data clk_data;
static DEFINE_SPINLOCK(lock);
@@ -356,13 +356,13 @@ static void __init berlin2q_clock_setup(struct device_node *np)
gd->bit_idx, 0, &lock);
}
- /*
- * twdclk is derived from cpu/3
- * TODO: use cpupll until cpuclk is not available
- */
+ /* cpuclk divider is fixed to 1 */
+ clks[CLKID_CPU] =
+ clk_register_fixed_factor(NULL, "cpu", clk_names[CPUPLL],
+ 0, 1, 1);
+ /* twdclk is derived from cpu/3 */
clks[CLKID_TWD] =
- clk_register_fixed_factor(NULL, "twd", clk_names[CPUPLL],
- 0, 1, 3);
+ clk_register_fixed_factor(NULL, "twd", "cpu", 0, 1, 3);
/* check for errors on leaf clocks */
for (n = 0; n < MAX_CLKS; n++) {
diff --git a/include/dt-bindings/clock/berlin2q.h b/include/dt-bindings/clock/berlin2q.h
index 287fc3b4afb2..72eaf91c9ca6 100644
--- a/include/dt-bindings/clock/berlin2q.h
+++ b/include/dt-bindings/clock/berlin2q.h
@@ -29,3 +29,4 @@
#define CLKID_SMEMC 24
#define CLKID_PCIE 25
#define CLKID_TWD 26
+#define CLKID_CPU 27