[linux-yocto] [PATCH 044/161] arch/arm/mach-axxia: add support for SPI flash
Cristian Bercaru
cristian.bercaru at windriver.com
Thu May 21 12:20:26 PDT 2015
From: John Jacques <john.jacques at lsi.com>
Signed-off-by: John Jacques <john.jacques at lsi.com>
---
arch/arm/boot/dts/axm55xx.dts | 27 +++++++++++++++++++++++++++
arch/arm/mach-axxia/axxia.c | 25 +++++--------------------
2 files changed, 32 insertions(+), 20 deletions(-)
diff --git a/arch/arm/boot/dts/axm55xx.dts b/arch/arm/boot/dts/axm55xx.dts
index b65cbad..b3df3ad 100644
--- a/arch/arm/boot/dts/axm55xx.dts
+++ b/arch/arm/boot/dts/axm55xx.dts
@@ -279,6 +279,33 @@
<0 52 4>,
<0 53 4>;
};
+
+ gpio at 2010092000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x20 0x10092000 0x00 0x1000>;
+ interrupts = <0 10 4>,
+ <0 11 4>,
+ <0 12 4>,
+ <0 13 4>,
+ <0 14 4>,
+ <0 15 4>,
+ <0 16 4>,
+ <0 17 4>;
+ };
+
+ gpio at 2010093000 {
+ compatible = "arm,pl061", "arm,primecell";
+ reg = <0x20 0x10093000 0x00 0x1000>;
+ interrupts = <0 18 4>;
+ };
+
+ ssp at 2010088000 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "arm,pl022", "arm,primecell";
+ reg = <0x20 0x10088000 0x00 0x1000>;
+ interrupts = <0 42 4>;
+ };
};
I2C0: i2c at 0x02010084000 {
diff --git a/arch/arm/mach-axxia/axxia.c b/arch/arm/mach-axxia/axxia.c
index 2eef32a..e72fe1f 100644
--- a/arch/arm/mach-axxia/axxia.c
+++ b/arch/arm/mach-axxia/axxia.c
@@ -173,7 +173,6 @@ spidev_chip_select(u32 control, unsigned n)
static void spi_cs_eeprom0(u32 control) { spidev_chip_select(control, 0); }
static void spi_cs_eeprom1(u32 control) { spidev_chip_select(control, 1); }
-static void spi_cs_eeprom2(u32 control) { spidev_chip_select(control, 2); }
struct pl022_config_chip spi_eeprom0 = {
.iface = SSP_INTERFACE_MOTOROLA_SPI,
@@ -187,37 +186,23 @@ struct pl022_config_chip spi_eeprom1 = {
.cs_control = spi_cs_eeprom1
};
-struct pl022_config_chip spi_eeprom2 = {
- .iface = SSP_INTERFACE_MOTOROLA_SPI,
- .com_mode = POLLING_TRANSFER,
- .cs_control = spi_cs_eeprom2
-};
-
static struct spi_board_info spi_devs[] __initdata = {
{
- .modalias = "spidev",
+ .modalias = "s25fl129p1",
.controller_data = &spi_eeprom0,
.bus_num = 0,
.chip_select = 0,
- .max_speed_hz = 12000000,
+ .max_speed_hz = 25000000,
.mode = SPI_MODE_0,
},
{
- .modalias = "spidev",
+ .modalias = "s25fl129p1",
.controller_data = &spi_eeprom1,
.bus_num = 0,
.chip_select = 1,
- .max_speed_hz = 12000000,
- .mode = SPI_MODE_0,
- },
- {
- .modalias = "spidev",
- .controller_data = &spi_eeprom2,
- .bus_num = 0,
- .chip_select = 2,
- .max_speed_hz = 12000000,
+ .max_speed_hz = 25000000,
.mode = SPI_MODE_0,
- },
+ }
};
void __init axxia_dt_init(void)
--
1.7.9.5
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