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i2c: designware-pci: Add support for Fast Mode Plus and High Speed Mode

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

Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Lakshmi Sowjanya D 2021-11-09 16:05:51 +05:30 committed by Wolfram Sang
parent 172d931910
commit e8578547ce
1 changed files with 8 additions and 0 deletions
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8
drivers/i2c/busses/i2c-designware-pcidrv.c
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@ -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;
}