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authorRemi Pommarel <repk@triplefau.lt>2015-12-06 17:22:48 +0100
committerMichael Turquette <mturquette@baylibre.com>2015-12-24 20:38:38 -0800
commitcfbab8fbab9c330aca963095a439c451ac97c0dd (patch)
tree27c6b1facf2ff88bb04f250d78c2acdf47ec411f /drivers/clk/bcm
parent6d18b8adbe679b5947aa822b676efff230acc5f6 (diff)
downloadblackbird-op-linux-cfbab8fbab9c330aca963095a439c451ac97c0dd.tar.gz
blackbird-op-linux-cfbab8fbab9c330aca963095a439c451ac97c0dd.zip
clk: bcm2835: Add PWM clock support
Register the pwm clock for bcm2835. Signed-off-by: Remi Pommarel <repk@triplefau.lt> Reviewed-by: Eric Anholt <eric@anholt.net> Signed-off-by: Michael Turquette <mturquette@baylibre.com>
Diffstat (limited to 'drivers/clk/bcm')
-rw-r--r--drivers/clk/bcm/clk-bcm2835.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 6e4dd6fa3403..015e687ffabe 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -807,6 +807,16 @@ static const struct bcm2835_clock_data bcm2835_clock_emmc_data = {
.frac_bits = 8,
};
+static const struct bcm2835_clock_data bcm2835_clock_pwm_data = {
+ .name = "pwm",
+ .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents),
+ .parents = bcm2835_clock_per_parents,
+ .ctl_reg = CM_PWMCTL,
+ .div_reg = CM_PWMDIV,
+ .int_bits = 12,
+ .frac_bits = 12,
+};
+
struct bcm2835_pll {
struct clk_hw hw;
struct bcm2835_cprman *cprman;
@@ -1584,6 +1594,9 @@ static int bcm2835_clk_probe(struct platform_device *pdev)
cprman->regs + CM_PERIICTL, CM_GATE_BIT,
0, &cprman->regs_lock);
+ clks[BCM2835_CLOCK_PWM] =
+ bcm2835_register_clock(cprman, &bcm2835_clock_pwm_data);
+
return of_clk_add_provider(dev->of_node, of_clk_src_onecell_get,
&cprman->onecell);
}
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