RCAR_PWMCR
rcar_pwm_write(rp, value, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_EN0, RCAR_PWMCR_EN0, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_EN0, 0, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_SYNC, RCAR_PWMCR_SYNC, RCAR_PWMCR);
rcar_pwm_update(rp, RCAR_PWMCR_SYNC, 0, RCAR_PWMCR);
value = rcar_pwm_read(rp, RCAR_PWMCR);