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| author | Hien Dang <hien.dang.eb@renesas.com> | 2018-04-17 22:57:46 +0200 |
|---|---|---|
| committer | Eduardo Valentin <edubezval@gmail.com> | 2018-05-07 00:53:42 +0200 |
| commit | fc66ddff3840232ed102250551d7b6031a49ff17 (patch) | |
| tree | ad5f8d5e264fad38aed13f0156759aac1a052a33 /drivers/thermal/rcar_gen3_thermal.c | |
| parent | thermal: tegra: Nuke clk_{readl,writel} helpers (diff) | |
| download | linux-fc66ddff3840232ed102250551d7b6031a49ff17.tar.xz linux-fc66ddff3840232ed102250551d7b6031a49ff17.zip | |
thermal: rcar_gen3_thermal: Update calculation formula due to HW evaluation
Due to hardware evaluation result,
Max temperature is changed from 96 to 116 degree Celsius.
Also, calculation formula and pseudo FUSE values are changed accordingly.
Signed-off-by: Dien Pham <dien.pham.ry@renesas.com>
Signed-off-by: Hien Dang <hien.dang.eb@renesas.com>
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
Diffstat (limited to 'drivers/thermal/rcar_gen3_thermal.c')
| -rw-r--r-- | drivers/thermal/rcar_gen3_thermal.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/thermal/rcar_gen3_thermal.c b/drivers/thermal/rcar_gen3_thermal.c index 561a0a332208..79c2cdb4105f 100644 --- a/drivers/thermal/rcar_gen3_thermal.c +++ b/drivers/thermal/rcar_gen3_thermal.c @@ -132,7 +132,7 @@ static inline void rcar_gen3_thermal_write(struct rcar_gen3_thermal_tsc *tsc, #define RCAR3_THERMAL_GRAN 500 /* mili Celsius */ /* no idea where these constants come from */ -#define TJ_1 96 +#define TJ_1 116 #define TJ_3 -41 static void rcar_gen3_thermal_calc_coefs(struct equation_coefs *coef, @@ -146,7 +146,7 @@ static void rcar_gen3_thermal_calc_coefs(struct equation_coefs *coef, * Division is not scaled in BSP and if scaled it might overflow * the dividend (4095 * 4095 << 14 > INT_MAX) so keep it unscaled */ - tj_2 = (FIXPT_INT((ptat[1] - ptat[2]) * 137) + tj_2 = (FIXPT_INT((ptat[1] - ptat[2]) * 157) / (ptat[0] - ptat[2])) - FIXPT_INT(41); coef->a1 = FIXPT_DIV(FIXPT_INT(thcode[1] - thcode[2]), @@ -354,11 +354,11 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev) /* default values if FUSEs are missing */ /* TODO: Read values from hardware on supported platforms */ - int ptat[3] = { 2351, 1509, 435 }; + int ptat[3] = { 2631, 1509, 435 }; int thcode[TSC_MAX_NUM][3] = { - { 3248, 2800, 2221 }, - { 3245, 2795, 2216 }, - { 3250, 2805, 2237 }, + { 3397, 2800, 2221 }, + { 3393, 2795, 2216 }, + { 3389, 2805, 2237 }, }; priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); |