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drivers: spi: omap3_spi: Initialize mode for all channels

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At first SPI transfers, multiple chip selects can be
enabled simultaneously. This is due to chip select
polarity, which is not properly initialized for all
channels. This patch fixes the issue.

Signed-off-by: Julien Panis <jpanis@baylibre.com>
This commit is contained in:
Julien Panis
2023-05-29 15:42:28 +02:00
committed by Tom Rini
parent 8dc2c66680
commit fb93bd8d26
2 changed files with 17 additions and 7 deletions
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4
include/omap3_spi.h
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@@ -46,6 +46,8 @@
#define OMAP4_MCSPI_REG_OFFSET 0x100
#define OMAP4_MCSPI_CHAN_NB 4
/* OMAP3 McSPI registers */
struct mcspi_channel {
unsigned int chconf; /* 0x2C, 0x40, 0x54, 0x68 */
@@ -64,7 +66,7 @@ struct mcspi {
unsigned int wakeupenable; /* 0x20 */
unsigned int syst; /* 0x24 */
unsigned int modulctrl; /* 0x28 */
struct mcspi_channel channel[4];
struct mcspi_channel channel[OMAP4_MCSPI_CHAN_NB];
/* channel0: 0x2C - 0x3C, bus 0 & 1 & 2 & 3 */
/* channel1: 0x40 - 0x50, bus 0 & 1 */
/* channel2: 0x54 - 0x64, bus 0 & 1 */