clk: rk3288: add PWM clock get rate

This patch add clk_get_rate for PWM device.

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Acked-by: Simon Glass <sjg@chromium.org>

diff --git a/drivers/clk/rockchip/clk_rk3288.c b/drivers/clk/rockchip/clk_rk3288.c
index c07203d84b95057b23cb287bb7037aad01c33124..bd71a969278894f3b46c74a4e0db8fb9d984f45d 100644 (file)
--- a/drivers/clk/rockchip/clk_rk3288.c
+++ b/drivers/clk/rockchip/clk_rk3288.c
@@ -695,6 +695,8 @@ static ulong rk3288_clk_get_rate(struct clk *clk)
        case PCLK_I2C4:
        case PCLK_I2C5:
                return gclk_rate;
+       case PCLK_PWM:
+               return PD_BUS_PCLK_HZ;
        default:
                return -ENOENT;
        }