On 16/01/2019 08:52, Jitao Shi wrote:
> Use the mtk_pwm_data struction to define different registers
> and add MT8183 specific register operations, such as MT8183
> have commit register, needs to enable double buffer
has_commit is set to false, so I suppose you mean that MT8183 does not have a
commit register.
Regards,
Matthias
> before writing register, and needs to select commit mode
> and use PWM_PERIOD/PWM_HIGH_WIDTH.
>
> Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
> ---
> drivers/pwm/pwm-mtk-disp.c | 11 +++++++++++
> 1 file changed, 11 insertions(+)
>
> diff --git a/drivers/pwm/pwm-mtk-disp.c b/drivers/pwm/pwm-mtk-disp.c
> index 893940d45f0d..15803c71fe80 100644
> --- a/drivers/pwm/pwm-mtk-disp.c
> +++ b/drivers/pwm/pwm-mtk-disp.c
> @@ -277,10 +277,21 @@ static const struct mtk_pwm_data mt8173_pwm_data = {
> .commit_mask = 0x1,
> };
>
> +static const struct mtk_pwm_data mt8183_pwm_data = {
> + .enable_mask = BIT(0),
> + .con0 = 0x18,
> + .con0_sel = 0x0,
> + .con1 = 0x1c,
> + .has_commit = false,
> + .bls_debug = 0x80,
> + .bls_debug_mask = 0x3,
> +};
> +
> static const struct of_device_id mtk_disp_pwm_of_match[] = {
> { .compatible = "mediatek,mt2701-disp-pwm", .data = &mt2701_pwm_data},
> { .compatible = "mediatek,mt6595-disp-pwm", .data = &mt8173_pwm_data},
> { .compatible = "mediatek,mt8173-disp-pwm", .data = &mt8173_pwm_data},
> + { .compatible = "mediatek,mt8183-disp-pwm", .data = &mt8183_pwm_data},
> { }
> };
> MODULE_DEVICE_TABLE(of, mtk_disp_pwm_of_match);
>
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