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Commit 8c0b888f authored by Miquel Raynal's avatar Miquel Raynal Committed by Eduardo Valentin
Browse files

thermal: armada: Change sensors trim default value 



Errata #132698 highlights an error in the default value of Tc trim.
Set this parameter to b'011.

Suggested-by: default avatarDavid Sniatkiwicz <davidsn@marvell.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@free-electrons.com>
Reviewed-by: default avatarGregory CLEMENT <gregory.clement@free-electrons.com>
Signed-off-by: default avatarEduardo Valentin <edubezval@gmail.com>
parent a9d58a1a

drivers/thermal/armada_thermal.c

+13 −0
Original line number Diff line number Diff line
@@ -46,6 +46,10 @@ 
#define CONTROL0_OFFSET			0x0

#define CONTROL1_OFFSET			0x4



/* Errata fields */

#define CONTROL0_TSEN_TC_TRIM_MASK	0x7

#define CONTROL0_TSEN_TC_TRIM_VAL	0x3



/* TSEN refers to the temperature sensors within the AP */

#define CONTROL0_TSEN_START		BIT(0)

#define CONTROL0_TSEN_RESET		BIT(1)
@@ -161,6 +165,15 @@ static void armada380_init_sensor(struct platform_device *pdev, 
	reg &= ~CONTROL1_EXT_TSEN_SW_RESET;

	writel(reg, priv->control1);

	msleep(10);



	/* Set Tsen Tc Trim to correct default value (errata #132698) */

	if (priv->control0) {

		reg = readl_relaxed(priv->control0);

		reg &= ~CONTROL0_TSEN_TC_TRIM_MASK;

		reg |= CONTROL0_TSEN_TC_TRIM_VAL;

		writel(reg, priv->control0);

		msleep(10);

	}

}



static void armada_ap806_init_sensor(struct platform_device *pdev,