On 18 May 2018 at 18:27, Lei YU <mine260309@xxxxxxxxx> wrote: > Add a 24MHz fixed clock. > This clock will be used for certain devices, e.g. pwm. > > Signed-off-by: Lei YU <mine260309@xxxxxxxxx> Reviewed-by: Joel Stanley <joel@xxxxxxxxx> Cheers, Joel > --- > drivers/clk/clk-aspeed.c | 9 ++++++++- > include/dt-bindings/clock/aspeed-clock.h | 1 + > 2 files changed, 9 insertions(+), 1 deletion(-) > > diff --git a/drivers/clk/clk-aspeed.c b/drivers/clk/clk-aspeed.c > index 5eb50c3..4664088 100644 > --- a/drivers/clk/clk-aspeed.c > +++ b/drivers/clk/clk-aspeed.c > @@ -14,7 +14,7 @@ > > #include <dt-bindings/clock/aspeed-clock.h> > > -#define ASPEED_NUM_CLKS 35 > +#define ASPEED_NUM_CLKS 36 > > #define ASPEED_RESET_CTRL 0x04 > #define ASPEED_CLK_SELECTION 0x08 > @@ -474,6 +474,13 @@ static int aspeed_clk_probe(struct platform_device *pdev) > return PTR_ERR(hw); > aspeed_clk_data->hws[ASPEED_CLK_BCLK] = hw; > > + /* Fixed 24MHz clock */ > + hw = clk_hw_register_fixed_rate(NULL, "fixed-24m", "clkin", > + 0, 24000000); > + if (IS_ERR(hw)) > + return PTR_ERR(hw); > + aspeed_clk_data->hws[ASPEED_CLK_24M] = hw; > + > /* > * TODO: There are a number of clocks that not included in this driver > * as more information is required: > diff --git a/include/dt-bindings/clock/aspeed-clock.h b/include/dt-bindings/clock/aspeed-clock.h > index d3558d8..ff29d8e 100644 > --- a/include/dt-bindings/clock/aspeed-clock.h > +++ b/include/dt-bindings/clock/aspeed-clock.h > @@ -38,6 +38,7 @@ > #define ASPEED_CLK_MAC 32 > #define ASPEED_CLK_BCLK 33 > #define ASPEED_CLK_MPLL 34 > +#define ASPEED_CLK_24M 35 > > #define ASPEED_RESET_XDMA 0 > #define ASPEED_RESET_MCTP 1 > -- > 2.7.4 > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
