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Commit a3bbfbb0 authored by Henry Chen's avatar Henry Chen Committed by Matthias Brugger
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soc: mediatek: PMIC wrap: clear the STAUPD_TRIG bit of WDT_SRC_EN 



Since STAUPD interrupts aren't handled on mt8173, disable watchdog timeout
monitor of STAUPD to avoid WDT_INT triggered by STAUPD.

Signed-off-by: default avatarHenry Chen <henryc.chen@mediatek.com>
Reviewed-by: default avatarDaniel Kurtz <djkurtz@chromium.org>
Signed-off-by: default avatarMatthias Brugger <matthias.bgg@gmail.com>
parent fd63892f

drivers/soc/mediatek/mtk-pmic-wrap.c

+17 −2
Original line number Diff line number Diff line
@@ -60,6 +60,15 @@ 
#define PWRAP_MAN_CMD_OP_OUTD		(0x9 << 8)

#define PWRAP_MAN_CMD_OP_OUTQ		(0xa << 8)



/* macro for Watch Dog Timer Source */

#define PWRAP_WDT_SRC_EN_STAUPD_TRIG		(1 << 25)

#define PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE	(1 << 20)

#define PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE	(1 << 6)

#define PWRAP_WDT_SRC_MASK_ALL			0xffffffff

#define PWRAP_WDT_SRC_MASK_NO_STAUPD	~(PWRAP_WDT_SRC_EN_STAUPD_TRIG | \

					  PWRAP_WDT_SRC_EN_HARB_STAUPD_DLE | \

					  PWRAP_WDT_SRC_EN_HARB_STAUPD_ALE)



/* macro for slave device wrapper registers */

#define PWRAP_DEW_BASE			0xbc00

#define PWRAP_DEW_EVENT_OUT_EN		(PWRAP_DEW_BASE + 0x0)
@@ -822,7 +831,7 @@ MODULE_DEVICE_TABLE(of, of_pwrap_match_tbl); 


static int pwrap_probe(struct platform_device *pdev)

{

	int ret, irq;

	int ret, irq, wdt_src;

	struct pmic_wrapper *wrp;

	struct device_node *np = pdev->dev.of_node;

	const struct of_device_id *of_id =
@@ -912,7 +921,13 @@ static int pwrap_probe(struct platform_device *pdev) 


	/* Initialize watchdog, may not be done by the bootloader */

	pwrap_writel(wrp, 0xf, PWRAP_WDT_UNIT);

	pwrap_writel(wrp, 0xffffffff, PWRAP_WDT_SRC_EN);

	/*

	 * Since STAUPD was not used on mt8173 platform,

	 * so STAUPD of WDT_SRC which should be turned off

	 */

	wdt_src = pwrap_is_mt8173(wrp) ?

			PWRAP_WDT_SRC_MASK_NO_STAUPD : PWRAP_WDT_SRC_MASK_ALL;

	pwrap_writel(wrp, wdt_src, PWRAP_WDT_SRC_EN);

	pwrap_writel(wrp, 0x1, PWRAP_TIMER_EN);

	pwrap_writel(wrp, ~((1 << 31) | (1 << 1)), PWRAP_INT_EN);