From: Paul Gerber Paul.Gerber@tq-group.com
[ Upstream commit 3de89d8842a2b5d3dd22ebf97dd561ae0a330948 ]
The i.MX 8MP has a ADC_PD bit in the TMU_TER register that controls the operating mode of the ADC: * 0 means normal operating mode * 1 means power down mode
When enabling/disabling the TMU, the ADC operating mode must be set accordingly.
i.MX 8M Mini & Nano are lacking this bit.
Signed-off-by: Paul Gerber Paul.Gerber@tq-group.com Signed-off-by: Alexander Stein alexander.stein@ew.tq-group.com Fixes: 2b8f1f0337c5 ("thermal: imx8mm: Add i.MX8MP support") Link: https://lore.kernel.org/r/20211122114225.196280-1-alexander.stein@ew.tq-grou... Signed-off-by: Daniel Lezcano daniel.lezcano@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/thermal/imx8mm_thermal.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/thermal/imx8mm_thermal.c b/drivers/thermal/imx8mm_thermal.c index a1e4f9bb4cb01..0f4cabd2a8c62 100644 --- a/drivers/thermal/imx8mm_thermal.c +++ b/drivers/thermal/imx8mm_thermal.c @@ -21,6 +21,7 @@ #define TPS 0x4 #define TRITSR 0x20 /* TMU immediate temp */
+#define TER_ADC_PD BIT(30) #define TER_EN BIT(31) #define TRITSR_TEMP0_VAL_MASK 0xff #define TRITSR_TEMP1_VAL_MASK 0xff0000 @@ -113,6 +114,8 @@ static void imx8mm_tmu_enable(struct imx8mm_tmu *tmu, bool enable)
val = readl_relaxed(tmu->base + TER); val = enable ? (val | TER_EN) : (val & ~TER_EN); + if (tmu->socdata->version == TMU_VER2) + val = enable ? (val & ~TER_ADC_PD) : (val | TER_ADC_PD); writel_relaxed(val, tmu->base + TER); }