spi: mediatek: support tick_delay without enhance_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>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/20220315032411.2826-2-leilk.liu@mediatek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Leilk Liu 2022-03-15 11:24:06 +08:00 коммит произвёл Mark Brown
Родитель 1889421a89
Коммит 03b1be379d
Не найден ключ, соответствующий данной подписи
Идентификатор ключа GPG: 24D68B725D5487D0
1 изменённых файлов: 12 добавлений и 3 удалений

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@ -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);
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 */