Commit e8578547 authored by Lakshmi Sowjanya D's avatar Lakshmi Sowjanya D Committed by Wolfram Sang
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i2c: designware-pci: Add support for Fast Mode Plus and High Speed Mode 



Add support to configure HCNT, LCNT values for Fast Mode Plus and High
Speed Mode.

Signed-off-by: default avatarLakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Acked-by: default avatarJarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 172d9319

drivers/i2c/busses/i2c-designware-pcidrv.c

+8 −0
Original line number Diff line number Diff line
@@ -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;

	}