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Commit cfbab8fb authored by Remi Pommarel's avatar Remi Pommarel Committed by Michael Turquette
Browse files

clk: bcm2835: Add PWM clock support 



Register the pwm clock for bcm2835.

Signed-off-by: default avatarRemi Pommarel <repk@triplefau.lt>
Reviewed-by: default avatarEric Anholt <eric@anholt.net>
Signed-off-by: default avatarMichael Turquette <mturquette@baylibre.com>
parent 6d18b8ad

drivers/clk/bcm/clk-bcm2835.c

+13 −0
Original line number Diff line number Diff line
@@ -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);

}

include/dt-bindings/clock/bcm2835.h

+2 −1
Original line number Diff line number Diff line
@@ -43,5 +43,6 @@ 
#define BCM2835_CLOCK_TSENS		27

#define BCM2835_CLOCK_EMMC		28

#define BCM2835_CLOCK_PERI_IMAGE	29

#define BCM2835_CLOCK_PWM		30



#define BCM2835_CLOCK_COUNT		30
 
#define BCM2835_CLOCK_COUNT		31