diff options
| -rw-r--r-- | zephyr/drivers/cros_shi/cros_shi_npcx.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/zephyr/drivers/cros_shi/cros_shi_npcx.c b/zephyr/drivers/cros_shi/cros_shi_npcx.c index 118c0c40ea..66ddee1957 100644 --- a/zephyr/drivers/cros_shi/cros_shi_npcx.c +++ b/zephyr/drivers/cros_shi/cros_shi_npcx.c @@ -764,7 +764,16 @@ static void cros_shi_npcx_reset_prepare(struct shi_reg *const inst) static int cros_shi_npcx_enable(const struct device *dev) { const struct cros_shi_npcx_config *const config = DRV_CONFIG(dev); + const struct device *clk_dev = DEVICE_DT_GET(NPCX_CLK_CTRL_NODE); struct shi_reg *const inst = HAL_INSTANCE(dev); + int ret; + + ret = clock_control_on(clk_dev, + (clock_control_subsys_t *)&config->clk_cfg); + if (ret < 0) { + DEBUG_CPRINTF("Turn on SHI clock fail %d", ret); + return ret; + } cros_shi_npcx_reset_prepare(inst); npcx_miwu_irq_disable(&config->shi_cs_wui); @@ -782,6 +791,8 @@ static int cros_shi_npcx_enable(const struct device *dev) static int cros_shi_npcx_disable(const struct device *dev) { const struct cros_shi_npcx_config *const config = DRV_CONFIG(dev); + const struct device *clk_dev = DEVICE_DT_GET(NPCX_CLK_CTRL_NODE); + int ret; state = SHI_STATE_DISABLED; @@ -791,6 +802,13 @@ static int cros_shi_npcx_disable(const struct device *dev) /* Configure pin-mux from SHI to GPIO. */ npcx_pinctrl_mux_configure(config->alts_list, config->alts_size, 0); + ret = clock_control_off(clk_dev, + (clock_control_subsys_t *)&config->clk_cfg); + if (ret < 0) { + DEBUG_CPRINTF("Turn off SHI clock fail %d", ret); + return ret; + } + /* * Allow deep sleep again in case CS dropped before ec was * informed in hook function and turn off SHI's interrupt in time. |