X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=drivers%2Fspi%2Fomap3_spi.c;h=ecf54bb7148e7d8ca9b80b3d850b92e5e8cd1289;hb=c0eaffa03959a97e6c139ea023e4041170e105e6;hp=b8a0bf495ae01eae92a77ddae966e470525fdcc7;hpb=84807922874e03895bbf15c4472a2dcee8fbbd03;p=u-boot

diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c
index b8a0bf495a..ecf54bb714 100644
--- a/drivers/spi/omap3_spi.c
+++ b/drivers/spi/omap3_spi.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * Copyright (C) 2016 Jagan Teki <jteki@openedev.com>
  *		      Christophe Ricard <christophe.ricard@gmail.com>
@@ -13,8 +14,6 @@
  * Copyright (C) 2005, 2006 Nokia Corporation
  *
  * Modified by Ruslan Araslanov <ruslan.araslanov@vitecmm.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <common.h>
@@ -444,9 +443,6 @@ static void spi_reset(struct mcspi *regs)
 static void _omap3_spi_claim_bus(struct omap3_spi_priv *priv)
 {
 	unsigned int conf;
-
-	spi_reset(priv->regs);
-
 	/*
 	 * setup when switching from (reset default) slave mode
 	 * to single-channel master mode
@@ -481,6 +477,8 @@ int spi_claim_bus(struct spi_slave *slave)
 {
 	struct omap3_spi_priv *priv = to_omap3_spi(slave);
 
+	spi_reset(priv->regs);
+
 	_omap3_spi_claim_bus(priv);
 	_omap3_spi_set_wordlen(priv);
 	_omap3_spi_set_mode(priv);
@@ -493,8 +491,7 @@ void spi_release_bus(struct spi_slave *slave)
 {
 	struct omap3_spi_priv *priv = to_omap3_spi(slave);
 
-	/* Reset the SPI hardware */
-	spi_reset(priv->regs);
+	writel(OMAP3_MCSPI_MODULCTRL_MS, &priv->regs->modulctrl);
 }
 
 struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
@@ -591,6 +588,8 @@ static int omap3_spi_claim_bus(struct udevice *dev)
 	struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
 
 	priv->cs = slave_plat->cs;
+	priv->freq = slave_plat->max_hz;
+
 	_omap3_spi_claim_bus(priv);
 
 	return 0;
@@ -601,8 +600,7 @@ static int omap3_spi_release_bus(struct udevice *dev)
 	struct udevice *bus = dev->parent;
 	struct omap3_spi_priv *priv = dev_get_priv(bus);
 
-	/* Reset the SPI hardware */
-	spi_reset(priv->regs);
+	writel(OMAP3_MCSPI_MODULCTRL_MS, &priv->regs->modulctrl);
 
 	return 0;
 }
@@ -630,9 +628,14 @@ static int omap3_spi_probe(struct udevice *dev)
 		(struct omap2_mcspi_platform_config*)dev_get_driver_data(dev);
 
 	priv->regs = (struct mcspi *)(devfdt_get_addr(dev) + data->regs_offset);
-	priv->pin_dir = fdtdec_get_uint(blob, node, "ti,pindir-d0-out-d1-in",
-					    MCSPI_PINDIR_D0_IN_D1_OUT);
+	if (fdtdec_get_bool(blob, node, "ti,pindir-d0-out-d1-in"))
+		priv->pin_dir = MCSPI_PINDIR_D0_OUT_D1_IN;
+	else
+		priv->pin_dir = MCSPI_PINDIR_D0_IN_D1_OUT;
 	priv->wordlen = SPI_DEFAULT_WORDLEN;
+
+	spi_reset(priv->regs);
+
 	return 0;
 }
 
@@ -645,27 +648,23 @@ static int omap3_spi_xfer(struct udevice *dev, unsigned int bitlen,
 	return _spi_xfer(priv, bitlen, dout, din, flags);
 }
 
-static int omap3_spi_set_speed(struct udevice *bus, unsigned int speed)
+static int omap3_spi_set_speed(struct udevice *dev, unsigned int speed)
 {
-	struct udevice *bus = dev->parent;
-	struct omap3_spi_priv *priv = dev_get_priv(bus);
-	struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
 
-	priv->cs = slave_plat->cs;
-	priv->freq = slave_plat->max_hz;
+	struct omap3_spi_priv *priv = dev_get_priv(dev);
+
+	priv->freq = speed;
 	_omap3_spi_set_speed(priv);
 
 	return 0;
 }
 
-static int omap3_spi_set_mode(struct udevice *bus, uint mode)
+static int omap3_spi_set_mode(struct udevice *dev, uint mode)
 {
-	struct udevice *bus = dev->parent;
-	struct omap3_spi_priv *priv = dev_get_priv(bus);
-	struct dm_spi_slave_platdata *slave_plat = dev_get_parent_platdata(dev);
+	struct omap3_spi_priv *priv = dev_get_priv(dev);
+
+	priv->mode = mode;
 
-	priv->cs = slave_plat->cs;
-	priv->mode = slave_plat->mode;
 	_omap3_spi_set_mode(priv);
 
 	return 0;