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Add PWM backlight support + options

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- No eye blasting backlight
- Option to choose the prefered brightness
- Smooths transitions
This commit is contained in:
Kostas Missos
2018-09-19 00:01:42 +03:00
parent 780736591e
commit 67a470921a
10 changed files with 156 additions and 13 deletions
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12
bootloader/soc/clock.c
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@@ -49,6 +49,8 @@ static clock_t _clock_kfuse = { CLK_RST_CONTROLLER_RST_DEVICES_H, CLK_RST_CONTRO
static clock_t _clock_cl_dvfs = { CLK_RST_CONTROLLER_RST_DEVICES_W, CLK_RST_CONTROLLER_CLK_OUT_ENB_W, CLK_RST_CONTROLLER_RST_SOURCE, 0x1B, 0, 0 };
static clock_t _clock_coresight = { CLK_RST_CONTROLLER_RST_DEVICES_U, CLK_RST_CONTROLLER_CLK_OUT_ENB_U, CLK_RST_CONTROLLER_CLK_SOURCE_CSITE, 9, 0, 4};
static clock_t _clock_pwm = { CLK_RST_CONTROLLER_RST_DEVICES_L, CLK_RST_CONTROLLER_CLK_OUT_ENB_L, CLK_RST_CONTROLLER_CLK_SOURCE_PWM, 0x11, 6, 4};
void clock_enable(const clock_t *clk)
{
// Put clock into reset.
@@ -188,6 +190,16 @@ void clock_disable_coresight()
clock_disable(&_clock_coresight);
}
void clock_enable_pwm()
{
clock_enable(&_clock_pwm);
}
void clock_disable_pwm()
{
clock_disable(&_clock_pwm);
}
#define L_SWR_SDMMC1_RST (1 << 14)
#define L_SWR_SDMMC2_RST (1 << 9)
#define L_SWR_SDMMC4_RST (1 << 15)