| Message ID | 20220307065230.12655-2-leilk.liu@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | spi: mediatek: add single/quad mode support | expand |
Il 07/03/22 07:52, Leilk Liu ha scritto: > this patch support tick_delay bit[31:30] without enhance_timing feature. > > Fixes: f84d866ab43f("spi: mediatek: add tick_delay support") > Signed-off-by: Leilk Liu <leilk.liu@mediatek.com> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com> > --- > drivers/spi/spi-mt65xx.c | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) > > diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c > index bbfeb8046c17..3fd89548ec3c 100644 > --- a/drivers/spi/spi-mt65xx.c > +++ b/drivers/spi/spi-mt65xx.c > @@ -43,8 +43,11 @@ > #define SPI_CFG1_PACKET_LOOP_OFFSET 8 > #define SPI_CFG1_PACKET_LENGTH_OFFSET 16 > #define SPI_CFG1_GET_TICK_DLY_OFFSET 29 > +#define SPI_CFG1_GET_TICK_DLY_OFFSET_V1 30 > > #define SPI_CFG1_GET_TICK_DLY_MASK 0xe0000000 > +#define SPI_CFG1_GET_TICK_DLY_MASK_V1 0xc0000000 > + > #define SPI_CFG1_CS_IDLE_MASK 0xff > #define SPI_CFG1_PACKET_LOOP_MASK 0xff00 > #define SPI_CFG1_PACKET_LENGTH_MASK 0x3ff0000 > @@ -346,9 +349,15 @@ static int mtk_spi_prepare_message(struct spi_master *master, > > /* tick delay */ > reg_val = readl(mdata->base + SPI_CFG1_REG); > - reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK; > - reg_val |= ((chip_config->tick_delay & 0x7) > - << SPI_CFG1_GET_TICK_DLY_OFFSET); > + if (mdata->dev_comp->enhance_timing) { > + reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK; > + reg_val |= ((chip_config->tick_delay & 0x7) > + << SPI_CFG1_GET_TICK_DLY_OFFSET); > + } else { > + reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK_V1; > + reg_val |= ((chip_config->tick_delay & 0x3) > + << SPI_CFG1_GET_TICK_DLY_OFFSET_V1); > + } > writel(reg_val, mdata->base + SPI_CFG1_REG); > > /* set hw cs timing */
diff --git a/drivers/spi/spi-mt65xx.c b/drivers/spi/spi-mt65xx.c index bbfeb8046c17..3fd89548ec3c 100644 --- a/drivers/spi/spi-mt65xx.c +++ b/drivers/spi/spi-mt65xx.c @@ -43,8 +43,11 @@ #define SPI_CFG1_PACKET_LOOP_OFFSET 8 #define SPI_CFG1_PACKET_LENGTH_OFFSET 16 #define SPI_CFG1_GET_TICK_DLY_OFFSET 29 +#define SPI_CFG1_GET_TICK_DLY_OFFSET_V1 30 #define SPI_CFG1_GET_TICK_DLY_MASK 0xe0000000 +#define SPI_CFG1_GET_TICK_DLY_MASK_V1 0xc0000000 + #define SPI_CFG1_CS_IDLE_MASK 0xff #define SPI_CFG1_PACKET_LOOP_MASK 0xff00 #define SPI_CFG1_PACKET_LENGTH_MASK 0x3ff0000 @@ -346,9 +349,15 @@ static int mtk_spi_prepare_message(struct spi_master *master, /* tick delay */ reg_val = readl(mdata->base + SPI_CFG1_REG); - reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK; - reg_val |= ((chip_config->tick_delay & 0x7) - << SPI_CFG1_GET_TICK_DLY_OFFSET); + if (mdata->dev_comp->enhance_timing) { + reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK; + reg_val |= ((chip_config->tick_delay & 0x7) + << SPI_CFG1_GET_TICK_DLY_OFFSET); + } else { + reg_val &= ~SPI_CFG1_GET_TICK_DLY_MASK_V1; + reg_val |= ((chip_config->tick_delay & 0x3) + << SPI_CFG1_GET_TICK_DLY_OFFSET_V1); + } writel(reg_val, mdata->base + SPI_CFG1_REG); /* set hw cs timing */
this patch support tick_delay bit[31:30] without enhance_timing feature. Fixes: f84d866ab43f("spi: mediatek: add tick_delay support") Signed-off-by: Leilk Liu <leilk.liu@mediatek.com> --- drivers/spi/spi-mt65xx.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-)