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arm64: rockchip: Fix TSADC on RK3328

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The TSADC familiy is a little bit more complex than V2 and V3.
Early revision do not use syscon and do not use qsel (RK3288).
Next revision still do not use syscon but uses qsel (RK3328).
Final revision use both.

Submitted by:	peterj
MFC after:	1 month
This commit is contained in:
Emmanuel Vadot 2020-04-23 19:16:20 +00:00
parent 7575e5c472
commit fb0d255111
1 changed files with 10 additions and 12 deletions
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22
sys/arm64/rockchip/rk_tsadc.c
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@ -98,24 +98,19 @@ struct tsensor {
int channel;
};
enum tsadc_type {
RK_TSADC_V2,
RK_TSADC_V3
};
struct rk_calib_entry {
uint32_t raw;
int temp;
};
struct tsadc_calib_info {
bool decrement_mode;
struct rk_calib_entry *table;
int nentries;
};
struct tsadc_conf {
enum tsadc_type type;
int use_syscon;
int q_sel_ntc;
int shutdown_temp;
int shutdown_mode;
int shutdown_pol;
@ -188,7 +183,8 @@ struct tsensor rk3288_tsensors[] = {
};
struct tsadc_conf rk3288_tsadc_conf = {
.type = RK_TSADC_V2,
.use_syscon = 0,
.q_sel_ntc = 0,
.shutdown_temp = 95000,
.shutdown_mode = 1, /* GPIO */
.shutdown_pol = 0, /* Low */
@ -241,7 +237,8 @@ static struct tsensor rk3328_tsensors[] = {
};
static struct tsadc_conf rk3328_tsadc_conf = {
.type = RK_TSADC_V3,
.use_syscon = 0,
.q_sel_ntc = 1,
.shutdown_temp = 95000,
.shutdown_mode = 0, /* CRU */
.shutdown_pol = 0, /* Low */
@ -296,7 +293,8 @@ static struct tsensor rk3399_tsensors[] = {
};
static struct tsadc_conf rk3399_tsadc_conf = {
.type = RK_TSADC_V3,
.use_syscon = 1,
.q_sel_ntc = 1,
.shutdown_temp = 95000,
.shutdown_mode = 1, /* GPIO */
.shutdown_pol = 0, /* Low */
@ -444,11 +442,11 @@ tsadc_init(struct tsadc_softc *sc)
val |= TSADC_AUTO_CON_POL_HI;
else
val &= ~TSADC_AUTO_CON_POL_HI;
if (sc->conf->type == RK_TSADC_V3)
if (sc->conf->q_sel_ntc)
val |= TSADC_AUTO_Q_SEL;
WR4(sc, TSADC_AUTO_CON, val);
if (sc->conf->type == RK_TSADC_V2) {
if (!sc->conf->use_syscon) {
/* V2 init */
WR4(sc, TSADC_AUTO_PERIOD, 250); /* 250 ms */
WR4(sc, TSADC_AUTO_PERIOD_HT, 50); /* 50 ms */