diff options
Diffstat (limited to 'target/linux/mediatek/patches-5.15/431-drivers-spi-mt65xx-Move-chip_config-to-driver-s-priv.patch')
| -rw-r--r-- | target/linux/mediatek/patches-5.15/431-drivers-spi-mt65xx-Move-chip_config-to-driver-s-priv.patch | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/target/linux/mediatek/patches-5.15/431-drivers-spi-mt65xx-Move-chip_config-to-driver-s-priv.patch b/target/linux/mediatek/patches-5.15/431-drivers-spi-mt65xx-Move-chip_config-to-driver-s-priv.patch new file mode 100644 index 0000000000..a57ee25393 --- /dev/null +++ b/target/linux/mediatek/patches-5.15/431-drivers-spi-mt65xx-Move-chip_config-to-driver-s-priv.patch @@ -0,0 +1,130 @@ +From bfd3acc428085742d754a6d328d1a93ebf9451df Mon Sep 17 00:00:00 2001 +From: "SkyLake.Huang" <skylake.huang@mediatek.com> +Date: Thu, 23 Jun 2022 18:29:51 +0800 +Subject: [PATCH 1/6] drivers: spi-mt65xx: Move chip_config to driver's private + data + +Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com> +--- + drivers/spi/spi-mt65xx.c | 29 +++++++++--------------- + include/linux/platform_data/spi-mt65xx.h | 17 -------------- + 2 files changed, 11 insertions(+), 35 deletions(-) + delete mode 100644 include/linux/platform_data/spi-mt65xx.h + +--- a/drivers/spi/spi-mt65xx.c ++++ b/drivers/spi/spi-mt65xx.c +@@ -14,7 +14,6 @@ + #include <linux/of.h> + #include <linux/gpio/consumer.h> + #include <linux/platform_device.h> +-#include <linux/platform_data/spi-mt65xx.h> + #include <linux/pm_runtime.h> + #include <linux/spi/spi.h> + #include <linux/spi/spi-mem.h> +@@ -142,6 +141,8 @@ struct mtk_spi { + struct device *dev; + dma_addr_t tx_dma; + dma_addr_t rx_dma; ++ u32 sample_sel; ++ u32 get_tick_dly; + }; + + static const struct mtk_spi_compatible mtk_common_compat; +@@ -187,15 +188,6 @@ static const struct mtk_spi_compatible m + .no_need_unprepare = true, + }; + +-/* +- * A piece of default chip info unless the platform +- * supplies it. +- */ +-static const struct mtk_chip_config mtk_default_chip_info = { +- .sample_sel = 0, +- .tick_delay = 0, +-}; +- + static const struct of_device_id mtk_spi_of_match[] = { + { .compatible = "mediatek,spi-ipm", + .data = (void *)&mtk_ipm_compat, +@@ -323,7 +315,6 @@ static int mtk_spi_hw_init(struct spi_ma + { + u16 cpha, cpol; + u32 reg_val; +- struct mtk_chip_config *chip_config = spi->controller_data; + struct mtk_spi *mdata = spi_master_get_devdata(master); + + cpha = spi->mode & SPI_CPHA ? 1 : 0; +@@ -373,7 +364,7 @@ static int mtk_spi_hw_init(struct spi_ma + else + reg_val &= ~SPI_CMD_CS_POL; + +- if (chip_config->sample_sel) ++ if (mdata->sample_sel) + reg_val |= SPI_CMD_SAMPLE_SEL; + else + reg_val &= ~SPI_CMD_SAMPLE_SEL; +@@ -400,20 +391,20 @@ static int mtk_spi_hw_init(struct spi_ma + if (mdata->dev_comp->ipm_design) { + reg_val = readl(mdata->base + SPI_CMD_REG); + reg_val &= ~SPI_CMD_IPM_GET_TICKDLY_MASK; +- reg_val |= ((chip_config->tick_delay & 0x7) ++ reg_val |= ((mdata->get_tick_dly & 0x7) + << SPI_CMD_IPM_GET_TICKDLY_OFFSET); + writel(reg_val, mdata->base + SPI_CMD_REG); + } else { + reg_val = readl(mdata->base + SPI_CFG1_REG); + reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK; +- reg_val |= ((chip_config->tick_delay & 0x7) ++ reg_val |= ((mdata->get_tick_dly & 0x7) + << SPI_CFG1_GET_TICK_DLY_OFFSET); + writel(reg_val, mdata->base + SPI_CFG1_REG); + } + } else { + reg_val = readl(mdata->base + SPI_CFG1_REG); + reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK_V1; +- reg_val |= ((chip_config->tick_delay & 0x3) ++ reg_val |= ((mdata->get_tick_dly & 0x3) + << SPI_CFG1_GET_TICK_DLY_OFFSET_V1); + writel(reg_val, mdata->base + SPI_CFG1_REG); + } +@@ -700,9 +691,6 @@ static int mtk_spi_setup(struct spi_devi + { + struct mtk_spi *mdata = spi_master_get_devdata(spi->master); + +- if (!spi->controller_data) +- spi->controller_data = (void *)&mtk_default_chip_info; +- + if (mdata->dev_comp->need_pad_sel && spi->cs_gpiod) + /* CS de-asserted, gpiolib will handle inversion */ + gpiod_direction_output(spi->cs_gpiod, 0); +@@ -1115,6 +1103,10 @@ static int mtk_spi_probe(struct platform + mdata = spi_master_get_devdata(master); + mdata->dev_comp = of_id->data; + ++ /* Set device configs to default first. Calibrate it later. */ ++ mdata->sample_sel = 0; ++ mdata->get_tick_dly = 2; ++ + if (mdata->dev_comp->enhance_timing) + master->mode_bits |= SPI_CS_HIGH; + +--- a/include/linux/platform_data/spi-mt65xx.h ++++ /dev/null +@@ -1,17 +0,0 @@ +-/* SPDX-License-Identifier: GPL-2.0-only */ +-/* +- * MTK SPI bus driver definitions +- * +- * Copyright (c) 2015 MediaTek Inc. +- * Author: Leilk Liu <leilk.liu@mediatek.com> +- */ +- +-#ifndef ____LINUX_PLATFORM_DATA_SPI_MTK_H +-#define ____LINUX_PLATFORM_DATA_SPI_MTK_H +- +-/* Board specific platform_data */ +-struct mtk_chip_config { +- u32 sample_sel; +- u32 tick_delay; +-}; +-#endif |