[PATCH 12/17] qcom: ipq4019: add spi node to ipq4019 SoC and DK01 device tree
From: Matthew McClintock <hidden>
Date: 2016-03-23 22:08:17
Also in:
linux-arm-msm, linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
This will allow boards to enable the SPI bus Signed-off-by: Matthew McClintock <redacted> --- arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi | 37 +++++++++++++++++++++++++++ arch/arm/boot/dts/qcom-ipq4019.dtsi | 18 +++++++++++++ 2 files changed, 55 insertions(+)
diff --git a/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi b/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
index 223da1a..21032a8 100644
--- a/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019-ap.dk01.1.dtsi@@ -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 at 78b5000 { + pinctrl-0 = <&spi_0_pins>; + pinctrl-names = "default"; + status = "ok"; + cs-gpios = <&tlmm 54 0>; + + mx25l25635e at 0 { + #address-cells = <1>; + #size-cells = <1>; + reg = <0>; + compatible = "mx25l25635e"; + spi-max-frequency = <24000000>; + }; }; serial at 78af000 {
diff --git a/arch/arm/boot/dts/qcom-ipq4019.dtsi b/arch/arm/boot/dts/qcom-ipq4019.dtsi
index acb851d..99e64f4 100644
--- a/arch/arm/boot/dts/qcom-ipq4019.dtsi
+++ b/arch/arm/boot/dts/qcom-ipq4019.dtsi@@ -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 at 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 at b088000 { compatible = "qcom,kpss-acc-v1"; reg = <0x0b088000 0x1000>, <0xb008000 0x1000>;
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