[U-Boot] [PATCH v4 11/20] dm: tegra: spi: Convert to livetree

Simon Glass sjg at chromium.org
Wed Jul 12 03:30:00 UTC 2017


Update the tegra114 spi driver to support a live device tree.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 drivers/spi/tegra114_spi.c | 13 +++++--------
 1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/spi/tegra114_spi.c b/drivers/spi/tegra114_spi.c
index 6478352c31..04b4fce061 100644
--- a/drivers/spi/tegra114_spi.c
+++ b/drivers/spi/tegra114_spi.c
@@ -12,7 +12,6 @@
 #include <asm/arch/clock.h>
 #include <asm/arch-tegra/clk_rst.h>
 #include <spi.h>
-#include <fdtdec.h>
 #include "tegra_spi.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -100,10 +99,8 @@ struct tegra114_spi_priv {
 static int tegra114_spi_ofdata_to_platdata(struct udevice *bus)
 {
 	struct tegra_spi_platdata *plat = bus->platdata;
-	const void *blob = gd->fdt_blob;
-	int node = dev_of_offset(bus);
 
-	plat->base = devfdt_get_addr(bus);
+	plat->base = dev_read_addr(bus);
 	plat->periph_id = clock_decode_periph_id(bus);
 
 	if (plat->periph_id == PERIPH_ID_NONE) {
@@ -113,10 +110,10 @@ static int tegra114_spi_ofdata_to_platdata(struct udevice *bus)
 	}
 
 	/* Use 500KHz as a suitable default */
-	plat->frequency = fdtdec_get_int(blob, node, "spi-max-frequency",
-					500000);
-	plat->deactivate_delay_us = fdtdec_get_int(blob, node,
-					"spi-deactivate-delay", 0);
+	plat->frequency = dev_read_u32_default(bus, "spi-max-frequency",
+					       500000);
+	plat->deactivate_delay_us = dev_read_u32_default(bus,
+						"spi-deactivate-delay", 0);
 	debug("%s: base=%#08lx, periph_id=%d, max-frequency=%d, deactivate_delay=%d\n",
 	      __func__, plat->base, plat->periph_id, plat->frequency,
 	      plat->deactivate_delay_us);
-- 
2.13.2.932.g7449e964c-goog



More information about the U-Boot mailing list