Add support for the 32Mb Serial Flash Memory connected to SPI0
and using CS1.
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
---
arch/arm/boot/dts/am335x-sl50.dts | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index 89ddf26..6f32078 100644
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -262,6 +262,16 @@
>;
};
+ spi0_pins: pinmux_spi0_pins {
+ pinctrl-single,pins = <
+ AM33XX_IOPAD(0x954, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_MOSI - spi0_d0.spi0_d0 */
+ AM33XX_IOPAD(0x958, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_MISO - spi0_d1.spi0_d1 */
+ AM33XX_IOPAD(0x950, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_CLK - spi0_clk.spi0_clk */
+ AM33XX_IOPAD(0x95c, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_CS0 (NBATTSS) - spi0_cs0.spi0_cs0 */
+ AM33XX_IOPAD(0x960, PIN_INPUT_PULLUP | MUX_MODE0) /* SPI0_CS1 (FPGA_FLASH_NCS) - spi0_cs1.spi0_cs1 */
+ >;
+ };
+
lwb_pins: pinmux_lwb_pins {
pinctrl-single,pins = <
AM33XX_IOPAD(0x9a4, PIN_OUTPUT | MUX_MODE7) /* SoundPA_en - mcasp0_fsr.gpio3_19 */
@@ -400,6 +410,20 @@
pinctrl-0 = <&uart4_pins>;
};
+&spi0 {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_pins>;
+
+ flash: n25q032@1 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "micron,n25q032";
+ reg = <1>;
+ spi-max-frequency = <5000000>;
+ };
+};
+
#include "tps65217.dtsi"
&tps {
--
2.9.3
--
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