diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.15/434-drivers-spi-mt65xx-Add-controller-s-calibration-para.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/434-drivers-spi-mt65xx-Add-controller-s-calibration-para.patch | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/434-drivers-spi-mt65xx-Add-controller-s-calibration-para.patch b/target/linux/mediatek/patches-5.15/434-drivers-spi-mt65xx-Add-controller-s-calibration-para.patch new file mode 100644 index 0000000000..a64d622981 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/434-drivers-spi-mt65xx-Add-controller-s-calibration-para.patch @@ -0,0 +1,43 @@ +From d278c7a0bf730318a7ccf8d0a8b434c813e23fd0 Mon Sep 17 00:00:00 2001 +From: "SkyLake.Huang" <skylake.huang@mediatek.com> +Date: Thu, 23 Jun 2022 18:39:03 +0800 +Subject: [PATCH 4/6] drivers: spi-mt65xx: Add controller's calibration + paramter + +Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com> +--- + drivers/spi/spi-mt65xx.c | 16 ++++++++++++++++ + 1 file changed, 16 insertions(+) + +--- a/drivers/spi/spi-mt65xx.c ++++ b/drivers/spi/spi-mt65xx.c +@@ -800,6 +800,21 @@ static irqreturn_t mtk_spi_interrupt(int + 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->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) + { +@@ -1092,6 +1107,7 @@ static int mtk_spi_probe(struct platform + master->setup = mtk_spi_setup; + master->set_cs_timing = mtk_spi_set_hw_cs_timing; + master->use_gpio_descriptors = true; ++ master->append_caldata = mtk_spi_append_caldata; + + of_id = of_match_node(mtk_spi_of_match, pdev->dev.of_node); + if (!of_id) { |