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From: Chanho Park <chanho61.park@samsung.com>
To: Alim Akhtar <alim.akhtar@samsung.com>,
	Avri Altman <avri.altman@wdc.com>,
	"James E . J . Bottomley" <jejb@linux.ibm.com>,
	"Martin K . Petersen" <martin.petersen@oracle.com>,
	Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Cc: Bean Huo <beanhuo@micron.com>,
	Bart Van Assche <bvanassche@acm.org>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Christoph Hellwig <hch@infradead.org>,
	Can Guo <cang@codeaurora.org>, Jaegeuk Kim <jaegeuk@kernel.org>,
	Jaehoon Chung <jh80.chung@samsung.com>,
	Gyunghoon Kwon <goodjob.kwon@samsung.com>,
	Sowon Na <sowon.na@samsung.com>,
	linux-samsung-soc@vger.kernel.org, linux-scsi@vger.kernel.org,
	Chanho Park <chanho61.park@samsung.com>
Subject: [PATCH v5 05/15] scsi: ufs: ufs-exynos: add refclkout_stop control
Date: Mon, 18 Oct 2021 21:42:06 +0900	[thread overview]
Message-ID: <20211018124216.153072-6-chanho61.park@samsung.com> (raw)
In-Reply-To: <20211018124216.153072-1-chanho61.park@samsung.com>

This patch adds REFCLKOUT_STOP control to CLK_STOP_MASK. It can
en/disable reference clock out control for UFS device.

Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 drivers/scsi/ufs/ufs-exynos.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 57210114ca0a..e75736ce1534 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -48,10 +48,11 @@
 #define HCI_ERR_EN_T_LAYER	0x84
 #define HCI_ERR_EN_DME_LAYER	0x88
 #define HCI_CLKSTOP_CTRL	0xB0
+#define REFCLKOUT_STOP		BIT(4)
 #define REFCLK_STOP		BIT(2)
 #define UNIPRO_MCLK_STOP	BIT(1)
 #define UNIPRO_PCLK_STOP	BIT(0)
-#define CLK_STOP_MASK		(REFCLK_STOP |\
+#define CLK_STOP_MASK		(REFCLKOUT_STOP | REFCLK_STOP |\
 				 UNIPRO_MCLK_STOP |\
 				 UNIPRO_PCLK_STOP)
 #define HCI_MISC		0xB4
-- 
2.33.0


  parent reply	other threads:[~2021-10-18 12:45 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <CGME20211018124505epcas2p31437a0fae6711edeb9db5b49eb420e56@epcas2p3.samsung.com>
2021-10-18 12:42 ` [PATCH v5 00/15] introduce exynosauto v9 ufs driver Chanho Park
     [not found]   ` <CGME20211018124505epcas2p2d149a4f26d3475830a36c47049591bb2@epcas2p2.samsung.com>
2021-10-18 12:42     ` [PATCH v5 01/15] scsi: ufs: add quirk to handle broken UIC command Chanho Park
2021-10-28  3:18       ` Martin K. Petersen
2021-10-28  4:32         ` Chanho Park
     [not found]   ` <CGME20211018124505epcas2p143bb8374e3399e2670ced625862a8653@epcas2p1.samsung.com>
2021-10-18 12:42     ` [PATCH v5 02/15] scsi: ufs: add quirk to enable host controller without ph configuration Chanho Park
     [not found]   ` <CGME20211018124505epcas2p4f96cd4d9ea01a030d07fdf25c5a3d163@epcas2p4.samsung.com>
2021-10-18 12:42     ` [PATCH v5 03/15] scsi: ufs: ufs-exynos: change pclk available max value Chanho Park
     [not found]   ` <CGME20211018124505epcas2p22a463738c9ee028274be7ad06ed97a0d@epcas2p2.samsung.com>
2021-10-18 12:42     ` [PATCH v5 04/15] scsi: ufs: ufs-exynos: simplify drv_data retrieval Chanho Park
     [not found]   ` <CGME20211018124505epcas2p32c65e409d95954c4995f8a1c22842509@epcas2p3.samsung.com>
2021-10-18 12:42     ` Chanho Park [this message]
     [not found]   ` <CGME20211018124505epcas2p1d58eebe57563823e4768962342477a35@epcas2p1.samsung.com>
2021-10-18 12:42     ` [PATCH v5 06/15] scsi: ufs: ufs-exynos: add setup_clocks callback Chanho Park
     [not found]   ` <CGME20211018124505epcas2p2c68234b4e04cd3149eb21c987d474755@epcas2p2.samsung.com>
2021-10-18 12:42     ` [PATCH v5 07/15] scsi: ufs: ufs-exynos: support custom version of ufs_hba_variant_ops Chanho Park
     [not found]   ` <CGME20211018124505epcas2p4bf7f7fe8419a03d5510c9adf67aee5ab@epcas2p4.samsung.com>
2021-10-18 12:42     ` [PATCH v5 08/15] scsi: ufs: ufs-exynos: add EXYNOS_UFS_OPT_SKIP_CONFIG_PHY_ATTR option Chanho Park
     [not found]   ` <CGME20211018124505epcas2p38f13fa432c4f6e5ca4898a8f41c2b041@epcas2p3.samsung.com>
2021-10-18 12:42     ` [PATCH v5 09/15] scsi: ufs: ufs-exynos: factor out priv data init Chanho Park
     [not found]   ` <CGME20211018124505epcas2p37bd15e319f80e82d321f85565afd7712@epcas2p3.samsung.com>
2021-10-18 12:42     ` [PATCH v5 10/15] scsi: ufs: ufs-exynos: add pre/post_hce_enable drv callbacks Chanho Park
     [not found]   ` <CGME20211018124506epcas2p27ae65b5e8ee4919cde0d989708c24ca6@epcas2p2.samsung.com>
2021-10-18 12:42     ` [PATCH v5 11/15] scsi: ufs: ufs-exynos: support exynosauto v9 ufs driver Chanho Park
     [not found]   ` <CGME20211018124506epcas2p25100e2163029de4ee8b8b87e7ff0f2a3@epcas2p2.samsung.com>
2021-10-18 12:42     ` [PATCH v5 12/15] dt-bindings: ufs: exynos-ufs: add io-coherency property Chanho Park
2021-10-18 17:54       ` Rob Herring
     [not found]   ` <CGME20211018124506epcas2p4cadea8f87fde299c22317496a2d29f14@epcas2p4.samsung.com>
2021-10-18 12:42     ` [PATCH v5 13/15] scsi: ufs: ufs-exynos: multi-host configuration for exynosauto Chanho Park
     [not found]   ` <CGME20211018124506epcas2p3a014f68fb3d6cdfa43a3562c74bb6895@epcas2p3.samsung.com>
2021-10-18 12:42     ` [PATCH v5 14/15] scsi: ufs: ufs-exynos: introduce exynosauto v9 virtual host Chanho Park
     [not found]   ` <CGME20211018124506epcas2p190b89643fbb14d99d7ab52f5ab97bf38@epcas2p1.samsung.com>
2021-10-18 12:42     ` [PATCH v5 15/15] dt-bindings: ufs: exynos-ufs: add exynosautov9 compatible Chanho Park
2021-10-28 13:26   ` [PATCH v5 00/15] introduce exynosauto v9 ufs driver Rob Herring

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