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thermal: mediatek: add flag for bank selection

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For past ic designs, the thermal controller should select banks before
reading the thermal sensor.
And the new ic design architecture removes this mechanism.

Signed-off-by: Michael Kao <michael.kao@mediatek.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Michael Kao 2019-02-01 15:38:11 +08:00 committed by Eduardo Valentin
parent bd9403943d
commit cb82aaade9
1 changed files with 14 additions and 6 deletions
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20
drivers/thermal/mtk_thermal.c
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@ -213,6 +213,7 @@ struct mtk_thermal_data {
const int cali_val;
const int num_controller;
const int *controller_offset;
bool need_switch_bank;
struct thermal_bank_cfg bank_data[];
};
@ -327,6 +328,7 @@ static const struct mtk_thermal_data mt8173_thermal_data = {
.cali_val = MT8173_CALIBRATION,
.num_controller = MT8173_NUM_CONTROLLER,
.controller_offset = mt8173_tc_offset,
.need_switch_bank = true,
.bank_data = {
{
.num_sensors = 2,
@ -365,6 +367,7 @@ static const struct mtk_thermal_data mt2701_thermal_data = {
.cali_val = MT2701_CALIBRATION,
.num_controller = MT2701_NUM_CONTROLLER,
.controller_offset = mt2701_tc_offset,
.need_switch_bank = true,
.bank_data = {
{
.num_sensors = 3,
@ -394,6 +397,7 @@ static const struct mtk_thermal_data mt2712_thermal_data = {
.cali_val = MT2712_CALIBRATION,
.num_controller = MT2712_NUM_CONTROLLER,
.controller_offset = mt2712_tc_offset,
.need_switch_bank = true,
.bank_data = {
{
.num_sensors = 4,
@ -417,6 +421,7 @@ static const struct mtk_thermal_data mt7622_thermal_data = {
.cali_val = MT7622_CALIBRATION,
.num_controller = MT7622_NUM_CONTROLLER,
.controller_offset = mt7622_tc_offset,
.need_switch_bank = true,
.bank_data = {
{
.num_sensors = 1,
@ -463,12 +468,14 @@ static void mtk_thermal_get_bank(struct mtk_thermal_bank *bank)
struct mtk_thermal *mt = bank->mt;
u32 val;
mutex_lock(&mt->lock);
if (mt->conf->need_switch_bank) {
mutex_lock(&mt->lock);
val = readl(mt->thermal_base + PTPCORESEL);
val &= ~0xf;
val |= bank->id;
writel(val, mt->thermal_base + PTPCORESEL);
val = readl(mt->thermal_base + PTPCORESEL);
val &= ~0xf;
val |= bank->id;
writel(val, mt->thermal_base + PTPCORESEL);
}
}
/**
@ -481,7 +488,8 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank)
{
struct mtk_thermal *mt = bank->mt;
mutex_unlock(&mt->lock);
if (mt->conf->need_switch_bank)
mutex_unlock(&mt->lock);
}
/**