Commit f9f1b074 authored Mar 02, 2020 by Ashish Kori

platform: qcom-geni-se: Correct macro definition of GENI_IO_MUX_1_EN



Correct macro definition of GENI_IO_MUX_1_EN to support SPI slave
full-duplex mode for MISO<->MOSI connection. Without this SPI
Slave full-duplex mode won't work.

In 'commit 005c3a05 ("spi: spi-geni-qcom: Allow MISO<->MOSI
connectivity for slave pins")'  GENI_IO_MUX_1_EN is configured
as 4 that should be 2 to configure SPI Slave MOSI line correctly
to support SPI Slave full-duplex mode.

Default SPI slave and master connection is MISO<->MISO and MOSI<->MOSI
line. This is a FIX for SPI Slave in which SPI slave MISO line is connected
to MOSI and vice versa.


Change-Id: I6d5bd2b3e7252ad272d88352a52dc005e4368af1
Signed-off-by: Ashish Kori <akori@codeaurora.org>

parent 3eb9c77d

include/linux/qcom-geni-se.h

+1 −1

Original line number	Diff line number	Diff line
		@@ -182,7 +182,7 @@ struct se_geni_rsc {
		/* GENI_OUTPUT_CTRL fields */
		#define DEFAULT_IO_OUTPUT_CTRL_MSK (GENMASK(6, 0))
		#define GENI_IO_MUX_0_EN BIT(0)
		#define GENI_IO_MUX_1_EN BIT(2)
		#define GENI_IO_MUX_1_EN BIT(1)

		/* GENI_CFG_REG80 fields */
		#define IO1_SEL_TX BIT(2)