@@ -48,6 +48,43 @@
bias-disable;
};
};
+
+ spi_0_pins: spi_0_pinmux {
+ pinmux {
+ function = "blsp_spi0";
+ pins = "gpio55", "gpio56", "gpio57";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio54";
+ };
+ pinconf {
+ pins = "gpio55", "gpio56", "gpio57";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio54";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+ };
+
+ spi_0: spi@78b5000 {
+ pinctrl-0 = <&spi_0_pins>;
+ pinctrl-names = "default";
+ status = "ok";
+ cs-gpios = <&tlmm 54 0>;
+
+ mx25l25635e@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ reg = <0>;
+ compatible = "mx25l25635e";
+ spi-max-frequency = <24000000>;
+ };
};
serial@78af000 {
@@ -15,12 +15,18 @@
#include "skeleton.dtsi"
#include <dt-bindings/clock/qcom,gcc-ipq4019.h>
+#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
/ {
model = "Qualcomm Technologies, Inc. IPQ4019";
compatible = "qcom,ipq4019";
interrupt-parent = <&intc>;
+ aliases {
+ spi0 = &spi_0;
+ };
+
cpus {
#address-cells = <1>;
#size-cells = <0>;
@@ -108,6 +114,18 @@
interrupts = <0 208 0>;
};
+ spi_0: spi@78b5000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x78b5000 0x600>;
+ interrupts = <GIC_SPI 95 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP1_SPI_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
acc0: clock-controller@b088000 {
compatible = "qcom,kpss-acc-v1";
reg = <0x0b088000 0x1000>, <0xb008000 0x1000>;
This will allow boards to enable the SPI bus Signed-off-by: Matthew McClintock <mmcclint@codeaurora.org> --- arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi | 37 +++++++++++++++++++++++++++ arch/arm/boot/dts/qcom-ipq4019.dtsi | 18 +++++++++++++ 2 files changed, 55 insertions(+)