PWM_ASPEED_CTRL_CLK_DIV_H
div_h = FIELD_GET(PWM_ASPEED_CTRL_CLK_DIV_H, val);
val &= ~(PWM_ASPEED_CTRL_CLK_DIV_H | PWM_ASPEED_CTRL_CLK_DIV_L |
val |= FIELD_PREP(PWM_ASPEED_CTRL_CLK_DIV_H, div_h) |