From ac9ed3898b80a81ce220a682749767ef189094a8 Mon Sep 17 00:00:00 2001 From: "SkyLake.Huang" Date: Thu, 23 Jun 2022 18:39:03 +0800 Subject: [PATCH] drivers: spi-mt65xx: Add controller's calibration paramter Signed-off-by: SkyLake.Huang --- drivers/spi/spi-mt65xx.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index 0afd00891..1b272d15c 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -727,6 +727,21 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id) return IRQ_HANDLED; } +static int mtk_spi_append_caldata(struct spi_controller *ctlr) +{ + struct spi_cal_target *cal_target = kmalloc(sizeof(*cal_target), GFP_KERNEL); + struct mtk_spi *mdata = spi_master_get_devdata(ctlr); + + cal_target->cal_item = &mdata->dev_config.get_tick_dly; + cal_target->cal_min = 0; + cal_target->cal_max = 7; + cal_target->step = 1; + + list_add(&cal_target->list, ctlr->cal_target); + + return 0; +} + static int mtk_spi_mem_adjust_op_size(struct spi_mem *mem, struct spi_mem_op *op) { @@ -1009,6 +1024,8 @@ static int mtk_spi_probe(struct platform_device *pdev) master->can_dma = mtk_spi_can_dma; master->setup = mtk_spi_setup; + master->append_caldata = mtk_spi_append_caldata; + of_id = of_match_node(mtk_spi_of_match, pdev->dev.of_node); if (!of_id) { dev_err(&pdev->dev, "failed to probe of_node\n"); -- 2.18.0