Re: [PATCH v2 1/2] soc: mediatek: pwrap: add pwrap driver for MT8186 SoC

From: Matthias Brugger
Date: Mon Jan 17 2022 - 05:31:32 EST




On 07/01/2022 11:46, Johnson Wang wrote:
MT8186 are highly integrated SoC and use PMIC_MT6366 for
power management. This patch adds pwrap master driver to
access PMIC_MT6366.


It seems this new arbiter is significantly different from the version 1. Please explain that in the commit message.

Signed-off-by: Johnson Wang <johnson.wang@xxxxxxxxxxxx>
---
drivers/soc/mediatek/mtk-pmic-wrap.c | 72 ++++++++++++++++++++++++++++
1 file changed, 72 insertions(+)

diff --git a/drivers/soc/mediatek/mtk-pmic-wrap.c b/drivers/soc/mediatek/mtk-pmic-wrap.c
index 952bc554f443..78866ebf7f04 100644
--- a/drivers/soc/mediatek/mtk-pmic-wrap.c
+++ b/drivers/soc/mediatek/mtk-pmic-wrap.c
@@ -30,6 +30,7 @@
#define PWRAP_GET_WACS_REQ(x) (((x) >> 19) & 0x00000001)
#define PWRAP_STATE_SYNC_IDLE0 BIT(20)
#define PWRAP_STATE_INIT_DONE0 BIT(21)
+#define PWRAP_STATE_INIT_DONE0_V2 BIT(22)

That's a strange name, does it come from the datasheet description?

#define PWRAP_STATE_INIT_DONE1 BIT(15)
/* macro for WACS FSM */
@@ -77,6 +78,8 @@
#define PWRAP_CAP_INT1_EN BIT(3)
#define PWRAP_CAP_WDT_SRC1 BIT(4)
#define PWRAP_CAP_ARB BIT(5)
+#define PWRAP_CAP_MONITOR_V2 BIT(6)

Not used capability, please delete.


Regards,
Matthias