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https://github.com/hanwckf/immortalwrt-mt798x.git
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49 lines
1.5 KiB
Diff
49 lines
1.5 KiB
Diff
From ac9ed3898b80a81ce220a682749767ef189094a8 Mon Sep 17 00:00:00 2001
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From: "SkyLake.Huang" <skylake.huang@mediatek.com>
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Date: Thu, 23 Jun 2022 18:39:03 +0800
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Subject: [PATCH] drivers: spi-mt65xx: Add controller's calibration paramter
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Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
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---
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drivers/spi/spi-mt65xx.c | 17 +++++++++++++++++
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1 file changed, 17 insertions(+)
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diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c
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index 0afd00891..1b272d15c 100644
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--- a/drivers/spi/spi-mt65xx.c
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+++ b/drivers/spi/spi-mt65xx.c
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@@ -727,6 +727,21 @@ static irqreturn_t mtk_spi_interrupt(int irq, void *dev_id)
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return IRQ_HANDLED;
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}
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+static int mtk_spi_append_caldata(struct spi_controller *ctlr)
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+{
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+ struct spi_cal_target *cal_target = kmalloc(sizeof(*cal_target), GFP_KERNEL);
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+ struct mtk_spi *mdata = spi_master_get_devdata(ctlr);
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+
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+ cal_target->cal_item = &mdata->dev_config.get_tick_dly;
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+ cal_target->cal_min = 0;
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+ cal_target->cal_max = 7;
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+ cal_target->step = 1;
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+
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+ list_add(&cal_target->list, ctlr->cal_target);
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+
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+ return 0;
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+}
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+
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static int mtk_spi_mem_adjust_op_size(struct spi_mem *mem,
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struct spi_mem_op *op)
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{
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@@ -1009,6 +1024,8 @@ static int mtk_spi_probe(struct platform_device *pdev)
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master->can_dma = mtk_spi_can_dma;
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master->setup = mtk_spi_setup;
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+ master->append_caldata = mtk_spi_append_caldata;
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+
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of_id = of_match_node(mtk_spi_of_match, pdev->dev.of_node);
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if (!of_id) {
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dev_err(&pdev->dev, "failed to probe of_node\n");
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--
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2.18.0
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