diff options
| author | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-06-18 12:49:29 +0000 |
|---|---|---|
| committer | cinap_lenrek <cinap_lenrek@felloff.net> | 2022-06-18 12:49:29 +0000 |
| commit | 524f8c2d5374e34bbb665e7a52484859ae9e3e59 (patch) | |
| tree | d2751c7797c00c37ba7d3e21adfccd62edcfd043 /sys/src/9/imx8/lcd.c | |
| parent | c14962657cff151be8bf805f92c13f0323b4b3b7 (diff) | |
imx8/lcd: set iomux pad configuration
Diffstat (limited to 'sys/src/9/imx8/lcd.c')
| -rw-r--r-- | sys/src/9/imx8/lcd.c | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/sys/src/9/imx8/lcd.c b/sys/src/9/imx8/lcd.c index 6053be39f..78549f036 100644 --- a/sys/src/9/imx8/lcd.c +++ b/sys/src/9/imx8/lcd.c @@ -790,8 +790,14 @@ dpiinit(struct video_mode *mode) static void backlighton(void) { + /* gpio1_io10: for panel backlight enable */ + iomuxpad("pad_gpio1_io10", "gpio1_io10", "~LVTTL ~HYS ~PUE ~ODE FAST 45_OHM"); + + /* gpio1_io10 low: panel backlight off */ + gpioout(GPIO_PIN(1, 10), 0); + /* pwm2_out: for panel backlight */ - iomuxpad("pad_spdif_rx", "pwm2_out", nil); + iomuxpad("pad_spdif_rx", "pwm2_out", "~LVTTL ~HYS ~PUE ~ODE FAST 45_OHM"); setclkrate("pwm2.ipg_clk_high_freq", "osc_25m_ref_clk", Pwmsrcclk); setclkgate("pwm2.ipg_clk_high_freq", 1); @@ -801,6 +807,9 @@ backlighton(void) wr(pwm2, PWMSAR, Pwmsrcclk/150000); wr(pwm2, PWMPR, (Pwmsrcclk/100000)-2); mr(pwm2, PWMCR, CR_EN, CR_EN); + + /* gpio1_io10 high: panel backlight on */ + gpioout(GPIO_PIN(1, 10), 1); } void @@ -814,19 +823,10 @@ lcdinit(void) /* GPR13[MIPI_MUX_SEL]: 0 = LCDIF, 1 = DCSS */ iomuxgpr(13, 0, 1<<2); - /* gpio3_io20: sn65dsi86 bridge */ - iomuxpad("pad_sai5_rxc", "gpio3_io20", nil); - - /* gpio1_io10: for panel */ - iomuxpad("pad_gpio1_io10", "gpio1_io10", nil); - - /* gpio1_io10 low: panel off */ - gpioout(GPIO_PIN(1, 10), 0); - backlighton(); - /* gpio1_io10 high: panel on */ - gpioout(GPIO_PIN(1, 10), 1); + /* gpio3_io20: sn65dsi86 bridge enable */ + iomuxpad("pad_sai5_rxc", "gpio3_io20", "~LVTTL ~HYS ~PUE ~ODE FAST 45_OHM"); /* gpio3_io20 high: bridge on */ gpioout(GPIO_PIN(3, 20), 1); |