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| author | Gao Pan <pandy.gao@nxp.com> | 2018-01-19 11:12:15 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | 04b2e0f46d8d999f22c42cfe0758c40bd8673d97 (patch) | |
| tree | efd5b8a56b0c88cd41bd92b8594bd9a039590c73 /Documentation/devicetree/bindings/sim | |
| parent | 418051588e3a36b16ae391145f6a08ccf5ac5704 (diff) | |
MLK-17416 imx8: sim: add usleep_range() before reading SPDP Bit
Card Presence Detect Status Bit SPDP in EMV_SIM_PCSR is
synchronized by two posedge of low_ref_clk which is 32KHz.
So there should be 1.5 low_ref_clk cycles(about 90us) before
reading SPDP Bit.
Signed-off-by: Gao Pan <pandy.gao@nxp.com>
Acked-by: Fugang Duan <fugang.duan@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/sim')
0 files changed, 0 insertions, 0 deletions