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refactor(lcdcam): move shared core clock setup to drivers

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Configure the shared LCDCAM core clock through guarded LCD and CAM LL APIs,
and unify LCD functional clock LL calls around group IDs across supported targets.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
morris
2026-09-08 14:47:41 +08:00
co-authored by Cursor
parent 1fd26d0846
commit ef6b7b742f
9 changed files with 183 additions and 52 deletions
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components/esp_hal_lcd/esp32p4/include/hal/lcd_ll.h
+6 -4
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@@ -125,11 +125,12 @@ static inline void lcd_ll_enable_clock(lcd_cam_dev_t *dev, bool en)
/**
* @brief Select clock source for LCD peripheral
*
* @param dev LCD register base address
* @param group_id Group ID
* @param src Clock source
*/
static inline void lcd_ll_select_clk_src(lcd_cam_dev_t *dev, lcd_clock_source_t src)
static inline void lcd_ll_select_clk_src(int group_id, lcd_clock_source_t src)
{
(void)group_id;
switch (src) {
case LCD_CLK_SRC_XTAL:
HP_SYS_CLKRST.peri_clk_ctrl19.reg_lcd_clk_src_sel = 0;
@@ -157,14 +158,15 @@ static inline void lcd_ll_select_clk_src(lcd_cam_dev_t *dev, lcd_clock_source_t
/**
* @brief Set clock coefficient of LCD peripheral
*
* @param dev LCD register base address
* @param group_id Group ID
* @param div_num Integer part of the divider
* @param div_a denominator of the divider
* @param div_b numerator of the divider
*/
__attribute__((always_inline))
static inline void lcd_ll_set_group_clock_coeff(lcd_cam_dev_t *dev, int div_num, int div_a, int div_b)
static inline void lcd_ll_set_group_clock_coeff(int group_id, int div_num, int div_a, int div_b)
{
(void)group_id;
// lcd_clk = module_clock_src / (div_num + div_b / div_a)
HAL_ASSERT(div_num > 0 && div_num <= LCD_LL_CLK_FRAC_DIV_N_MAX);
HAL_FORCE_MODIFY_U32_REG_FIELD(HP_SYS_CLKRST.peri_clk_ctrl110, reg_lcd_clk_div_num, div_num - 1);