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Message-Id: <20211109103552.18677-1-lakshmi.sowjanya.d@intel.com>
Date: Tue, 9 Nov 2021 16:05:51 +0530
From: lakshmi.sowjanya.d@...el.com
To: linux-i2c@...r.kernel.org
Cc: linux-kernel@...r.kernel.org, wsa@...nel.org,
jarkko.nikula@...ux.intel.com, bala.senthil@...el.com,
pandith.n@...el.com, lakshmi.sowjanya.d@...el.com
Subject: [PATCH v1 1/2] i2c: designware-pci: Add support for Fast Mode Plus and High Speed Mode
From: Lakshmi Sowjanya D <lakshmi.sowjanya.d@...el.com>
Add support to configure HCNT, LCNT values for Fast Mode Plus and High
Speed Mode.
Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@...el.com>
---
drivers/i2c/busses/i2c-designware-pcidrv.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/i2c/busses/i2c-designware-pcidrv.c b/drivers/i2c/busses/i2c-designware-pcidrv.c
index 0f409a4c2da0..174938fc7a7e 100644
--- a/drivers/i2c/busses/i2c-designware-pcidrv.c
+++ b/drivers/i2c/busses/i2c-designware-pcidrv.c
@@ -41,8 +41,12 @@ enum dw_pci_ctl_id_t {
struct dw_scl_sda_cfg {
u32 ss_hcnt;
u32 fs_hcnt;
+ u32 fp_hcnt;
+ u32 hs_hcnt;
u32 ss_lcnt;
u32 fs_lcnt;
+ u32 fp_lcnt;
+ u32 hs_lcnt;
u32 sda_hold;
};
@@ -306,8 +310,12 @@ static int i2c_dw_pci_probe(struct pci_dev *pdev,
cfg = controller->scl_sda_cfg;
dev->ss_hcnt = cfg->ss_hcnt;
dev->fs_hcnt = cfg->fs_hcnt;
+ dev->fp_hcnt = cfg->fp_hcnt;
+ dev->hs_hcnt = cfg->hs_hcnt;
dev->ss_lcnt = cfg->ss_lcnt;
dev->fs_lcnt = cfg->fs_lcnt;
+ dev->fp_lcnt = cfg->fp_lcnt;
+ dev->hs_lcnt = cfg->hs_lcnt;
dev->sda_hold_time = cfg->sda_hold;
}
--
2.17.1
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