Add SPI DT nodes for the SoC. Every SPI DT node has reference to blsp dma node with relevant dma channels and appropriate pinctrl nodes to configure SPI pins.
Signed-off-by: Stanimir Varbanov <stanimir.varba...@linaro.org>
---
arch/arm64/boot/dts/qcom/msm8916.dtsi | 317 +++++++++++++++++++++++++++++++++
1 files changed, 317 insertions(+), 0 deletions(-)
diff --git a/arch/arm64/boot/dts/qcom/msm8916.dtsi
b/arch/arm64/boot/dts/qcom/msm8916.dtsi
index 8c8fd49..b5be833 100644
--- a/arch/arm64/boot/dts/qcom/msm8916.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8916.dtsi
@@ -96,6 +96,210 @@
bias-pull-down;
};
};
+
+ spi1_default: spi1_default {
+ pinmux {
+ function = "blsp_spi1";
+ pins = "gpio0", "gpio1", "gpio3";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio2";
+ };
+ pinconf {
+ pins = "gpio0", "gpio1", "gpio3";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio2";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ spi1_sleep: spi1_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio0", "gpio1", "gpio2",
"gpio3";
+ };
+ pinconf {
+ pins = "gpio0", "gpio1", "gpio2",
"gpio3";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
+
+ spi2_default: spi2_default {
+ pinmux {
+ function = "blsp_spi2";
+ pins = "gpio4", "gpio5", "gpio7";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio6";
+ };
+ pinconf {
+ pins = "gpio4", "gpio5", "gpio6",
"gpio7";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio6";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ spi2_sleep: spi2_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio4", "gpio5", "gpio6",
"gpio7";
+ };
+ pinconf {
+ pins = "gpio4", "gpio5", "gpio6",
"gpio7";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
+
+ spi3_default: spi3_default {
+ pinmux {
+ function = "blsp_spi3";
+ pins = "gpio8", "gpio9", "gpio11";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio10";
+ };
+ pinconf {
+ pins = "gpio8", "gpio9", "gpio10",
"gpio11";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio10";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ spi3_sleep: spi3_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio8", "gpio9", "gpio10",
"gpio11";
+ };
+ pinconf {
+ pins = "gpio8", "gpio9", "gpio10",
"gpio11";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
+
+ spi4_default: spi4_default {
+ pinmux {
+ function = "blsp_spi4";
+ pins = "gpio12", "gpio13", "gpio15";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio14";
+ };
+ pinconf {
+ pins = "gpio12", "gpio13", "gpio14",
"gpio15";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio14";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ spi4_sleep: spi4_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio12", "gpio13", "gpio14",
"gpio15";
+ };
+ pinconf {
+ pins = "gpio12", "gpio13", "gpio14",
"gpio15";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
+
+ spi5_default: spi5_default {
+ pinmux {
+ function = "blsp_spi5";
+ pins = "gpio16", "gpio17", "gpio19";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio18";
+ };
+ pinconf {
+ pins = "gpio16", "gpio17", "gpio18",
"gpio19";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio18";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ spi5_sleep: spi4_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio16", "gpio17", "gpio18",
"gpio19";
+ };
+ pinconf {
+ pins = "gpio16", "gpio17", "gpio18",
"gpio19";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
+
+ spi6_default: spi6_default {
+ pinmux {
+ function = "blsp_spi6";
+ pins = "gpio20", "gpio21", "gpio23";
+ };
+ pinmux_cs {
+ function = "gpio";
+ pins = "gpio22";
+ };
+ pinconf {
+ pins = "gpio20", "gpio21", "gpio22",
"gpio23";
+ drive-strength = <12>;
+ bias-disable;
+ };
+ pinconf_cs {
+ pins = "gpio22";
+ drive-strength = <2>;
+ bias-disable;
+ output-high;
+ };
+ };
+
+ spi6_sleep: spi6_sleep {
+ pinmux {
+ function = "gpio";
+ pins = "gpio20", "gpio21", "gpio22",
"gpio23";
+ };
+ pinconf {
+ pins = "gpio20", "gpio21", "gpio22",
"gpio23";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
};
gcc: qcom,gcc@1800000 {
@@ -114,6 +318,119 @@
status = "disabled";
};
+ blsp_dma: dma@7884000 {
+ compatible = "qcom,bam-v1.7.0";
+ reg = <0x07884000 0x23000>;
+ interrupts = <GIC_SPI 238 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "bam_clk";
+ #dma-cells = <1>;
+ qcom,ee = <0>;
+ status = "disabled";
+ };
+
+ blsp_spi1: spi@78b5000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x078b5000 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";
+ dmas = <&blsp_dma 5>, <&blsp_dma 4>;
+ dma-names = "rx", "tx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi1_default>;
+ pinctrl-1 = <&spi1_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ blsp_spi2: spi@78b6000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x078b6000 0x600>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP2_SPI_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ dmas = <&blsp_dma 7>, <&blsp_dma 6>;
+ dma-names = "rx", "tx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi2_default>;
+ pinctrl-1 = <&spi2_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ blsp_spi3: spi@78b7000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x078b7000 0x600>;
+ interrupts = <GIC_SPI 97 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP3_SPI_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ dmas = <&blsp_dma 9>, <&blsp_dma 8>;
+ dma-names = "rx", "tx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi3_default>;
+ pinctrl-1 = <&spi3_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ blsp_spi4: spi@78b8000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x078b8000 0x600>;
+ interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP4_SPI_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ dmas = <&blsp_dma 11>, <&blsp_dma 10>;
+ dma-names = "rx", "tx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi4_default>;
+ pinctrl-1 = <&spi4_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ blsp_spi5: spi@78b9000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x078b9000 0x600>;
+ interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP5_SPI_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ dmas = <&blsp_dma 13>, <&blsp_dma 12>;
+ dma-names = "rx", "tx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi5_default>;
+ pinctrl-1 = <&spi5_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
+ blsp_spi6: spi@78ba000 {
+ compatible = "qcom,spi-qup-v2.2.1";
+ reg = <0x078ba000 0x600>;
+ interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP1_QUP6_SPI_APPS_CLK>,
+ <&gcc GCC_BLSP1_AHB_CLK>;
+ clock-names = "core", "iface";
+ dmas = <&blsp_dma 15>, <&blsp_dma 14>;
+ dma-names = "rx", "tx";
+ pinctrl-names = "default", "sleep";
+ pinctrl-0 = <&spi6_default>;
+ pinctrl-1 = <&spi6_sleep>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
intc: interrupt-controller@b000000 {
compatible = "qcom,msm-qgic2";
interrupt-controller;
--
1.7.0.4
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