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pinephone-keyboard
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Pull-up port 8 upper nibble of pins and keep them as inputs 

This avoids pulling them low temporarily during startup.
This commit is contained in:
Ondrej Jirman 2023-02-18 02:51:20 +01:00
parent 6fbfb61c14
commit 3726b6adc2
1 changed files with 3 additions and 3 deletions
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6
firmware/main.c
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@ -1988,7 +1988,7 @@ void main(void)
// 0: P7 0-3 - pull up
// 1: P7 4-7 - pull up
// 2: P8 0-3 - no pull up, all out low, P80 must not have pull-up
// 3: P8 4-7 - no pull up, pmic i2c has its own pull-up
// 3: P8 4-7 - pull up, even though pmic i2c level translator has its own pull-ups
// 4: P9 0-3 - no pull up, P91 out low, pullups on phone side
// 5: P9 4-7 - no pull up, all out low
@ -2006,10 +2006,10 @@ void main(void)
P0_P5M0 = 0x00;
P0_P6M0 = 0xff;
P0_P7M0 = 0xff;
P0_P8M0 = 0x00;
P0_P8M0 = 0xf0;
PAGESW = 1;
P1_PHCON2 = 0x03;
P1_PHCON2 = BIT(3) | BIT(1) | BIT(0);
P1_P9M0 = 0x0d; // pogo i2c/int remain as inputs
// enable auto-tuning internal RC oscillator based on USB SOF packets