diff options
Diffstat (limited to 'chip/g/sps.c')
| -rw-r--r-- | chip/g/sps.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/chip/g/sps.c b/chip/g/sps.c index 100f73c904..39aebeb5c7 100644 --- a/chip/g/sps.c +++ b/chip/g/sps.c @@ -240,11 +240,16 @@ static void sps_init(void) { pmu_clock_en(PERIPH_SPS); - GWRITE_FIELD(PINMUX, DIOA2_CTL, IE, 1); - GWRITE_FIELD(PINMUX, DIOA6_CTL, IE, 1); - GWRITE_FIELD(PINMUX, DIOA12_CTL, IE, 1); - GWRITE_FIELD(PINMUX, DIOA10_CTL, IE, 0); - + /* The pinmux connections are preset, but we have to set IN/OUT */ + GWRITE_FIELD(PINMUX, DIOA2_CTL, IE, 1); /* SPS_MOSI */ + GWRITE_FIELD(PINMUX, DIOA6_CTL, IE, 1); /* SPS_CLK */ + GWRITE_FIELD(PINMUX, DIOA10_CTL, IE, 0); /* SPS_MISO */ + GWRITE_FIELD(PINMUX, DIOA12_CTL, IE, 1); /* SPS_CS_L */ + + /* Allow SPS_CS_L to wake from sleep */ + GWRITE_FIELD(PINMUX, EXITEN0, DIOA12, 1); /* enable powerdown exit */ + GWRITE_FIELD(PINMUX, EXITEDGE0, DIOA12, 0); /* level sensitive */ + GWRITE_FIELD(PINMUX, EXITINV0, DIOA12, 1); /* wake on low */ } DECLARE_HOOK(HOOK_INIT, sps_init, HOOK_PRIO_DEFAULT); |