[PATCH v4 4/8] arm64: dts: exynos: Add SPI/PDMA dt node for Exynos5433

Chanwoo Choi
2015-02-24T05:16:47Z

This patch adds SPI (Serial Peripheral Interface) dt node for Exynos5433 SoC.
SPI transfers serial data by using various peripherals. SPI includes
8-bit/16-bit/32-bit shift registers to transmit and receive data. PDMA is used
for SPI communication.

Cc: Kukjin Kim <kgene@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Olof Johansson <olof@lixom.net>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
---
arch/arm64/boot/dts/exynos/exynos5433.dtsi | 119 +++++++++++++++++++++++++++++
1 file changed, 119 insertions(+)

diff --git a/arch/arm64/boot/dts/exynos/exynos5433.dtsi b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
index 81f428e..1b18fd3 100644
--- a/arch/arm64/boot/dts/exynos/exynos5433.dtsi
+++ b/arch/arm64/boot/dts/exynos/exynos5433.dtsi
@@ -55,6 +55,11 @@
mshc0 = &mshc_0;
mshc1 = &mshc_1;
mshc2 = &mshc_2;
+ spi0 = &spi_0;
+ spi1 = &spi_1;
+ spi2 = &spi_2;
+ spi3 = &spi_3;
+ spi4 = &spi_4;
};

cpus {
@@ -430,6 +435,35 @@
interrupts = <1 9 0xf04>;
};

+ amba {
+ compatible = "arm,amba-bus";
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges;
+
+ pdma0: pdma at 15610000 {
+ compatible = "arm,pl330", "arm,primecell";
+ reg = <0x15610000 0x1000>;
+ interrupts = <0 228 0>;
+ clocks = <&cmu_fsys CLK_PDMA0>;
+ clock-names = "apb_pclk";
+ #dma-cells = <1>;
+ #dma-channels = <8>;
+ #dma-requests = <32>;
+ };
+
+ pdma1: pdma at 15600000 {
+ compatible = "arm,pl330", "arm,primecell";
+ reg = <0x15600000 0x1000>;
+ interrupts = <0 246 0>;
+ clocks = <&cmu_fsys CLK_PDMA1>;
+ clock-names = "apb_pclk";
+ #dma-cells = <1>;
+ #dma-channels = <8>;
+ #dma-requests = <32>;
+ };
+ };
+
serial_0: serial at 14c10000 {
compatible = "samsung,exynos5433-uart";
reg = <0x14c10000 0x100>;
@@ -530,6 +564,91 @@
interrupts = <0 442 0>;
};

+ spi_0: spi at 14d20000 {
+ compatible = "samsung,exynos7-spi";
+ reg = <0x14d20000 0x100>;
+ interrupts = <0 432 0>;
+ dmas = <&pdma0 9>, <&pdma0 8>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu_peric CLK_PCLK_SPI0>,
+ <&cmu_top CLK_SCLK_SPI0_PERIC>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi0_bus>;
+ status = "disabled";
+ };
+
+ spi_1: spi at 14d30000 {
+ compatible = "samsung,exynos7-spi";
+ reg = <0x14d30000 0x100>;
+ interrupts = <0 433 0>;
+ dmas = <&pdma0 11>, <&pdma0 10>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu_peric CLK_PCLK_SPI1>,
+ <&cmu_top CLK_SCLK_SPI1_PERIC>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi1_bus>;
+ status = "disabled";
+ };
+
+ spi_2: spi at 14d40000 {
+ compatible = "samsung,exynos7-spi";
+ reg = <0x14d40000 0x100>;
+ interrupts = <0 434 0>;
+ dmas = <&pdma0 13>, <&pdma0 12>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu_peric CLK_PCLK_SPI2>,
+ <&cmu_top CLK_SCLK_SPI2_PERIC>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi2_bus>;
+ status = "disabled";
+ };
+
+ spi_3: spi at 14d50000 {
+ compatible = "samsung,exynos7-spi";
+ reg = <0x14d50000 0x100>;
+ interrupts = <0 447 0>;
+ dmas = <&pdma0 23>, <&pdma0 22>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu_peric CLK_PCLK_SPI3>,
+ <&cmu_top CLK_SCLK_SPI3_PERIC>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi3_bus>;
+ status = "disabled";
+ };
+
+ spi_4: spi at 14d00000 {
+ compatible = "samsung,exynos7-spi";
+ reg = <0x14d00000 0x100>;
+ interrupts = <0 412 0>;
+ dmas = <&pdma0 25>, <&pdma0 24>;
+ dma-names = "tx", "rx";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&cmu_peric CLK_PCLK_SPI4>,
+ <&cmu_top CLK_SCLK_SPI4_PERIC>;
+ clock-names = "spi", "spi_busclk0";
+ samsung,spi-src-clk = <0>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi4_bus>;
+ status = "disabled";
+ };
+
hsi2c_0: hsi2c at 14e40000 {
compatible = "samsung,exynos7-hsi2c";
reg = <0x14e40000 0x1000>;
--
1.8.5.5