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rgb_lcd: support PLL240MHz clock source

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This commit is contained in:
morris
2022-07-18 14:34:58 +08:00
parent 30ab6a9246
commit 72a25862a1
1 changed files with 13 additions and 7 deletions
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20
components/esp_lcd/src/esp_lcd_rgb_panel.c
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@@ -439,15 +439,11 @@ static esp_err_t lcd_rgb_panel_select_clock_src(esp_rgb_panel_t *panel, lcd_cloc
{ {
esp_err_t ret = ESP_OK; esp_err_t ret = ESP_OK;
switch (clk_src) { switch (clk_src) {
case LCD_CLK_SRC_PLL240M:
panel->src_clk_hz = 240000000;
break;
case LCD_CLK_SRC_PLL160M: case LCD_CLK_SRC_PLL160M:
panel->src_clk_hz = 160000000; panel->src_clk_hz = 160000000;
#if CONFIG_PM_ENABLE
ret = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "rgb_panel", &panel->pm_lock);
ESP_RETURN_ON_ERROR(ret, TAG, "create ESP_PM_APB_FREQ_MAX lock failed");
// hold the lock during the whole lifecycle of RGB panel
esp_pm_lock_acquire(panel->pm_lock);
ESP_LOGD(TAG, "installed ESP_PM_APB_FREQ_MAX lock and hold the lock during the whole panel lifecycle");
#endif
break; break;
case LCD_CLK_SRC_XTAL: case LCD_CLK_SRC_XTAL:
panel->src_clk_hz = rtc_clk_xtal_freq_get() * 1000000; panel->src_clk_hz = rtc_clk_xtal_freq_get() * 1000000;
@@ -457,6 +453,16 @@ static esp_err_t lcd_rgb_panel_select_clock_src(esp_rgb_panel_t *panel, lcd_cloc
break; break;
} }
lcd_ll_select_clk_src(panel->hal.dev, clk_src); lcd_ll_select_clk_src(panel->hal.dev, clk_src);
if (clk_src == LCD_CLK_SRC_PLL240M || clk_src == LCD_CLK_SRC_PLL160M) {
#if CONFIG_PM_ENABLE
ret = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "rgb_panel", &panel->pm_lock);
ESP_RETURN_ON_ERROR(ret, TAG, "create ESP_PM_APB_FREQ_MAX lock failed");
// hold the lock during the whole lifecycle of RGB panel
esp_pm_lock_acquire(panel->pm_lock);
ESP_LOGD(TAG, "installed ESP_PM_APB_FREQ_MAX lock and hold the lock during the whole panel lifecycle");
#endif
}
return ret; return ret;
} }