From mboxrd@z Thu Jan 1 00:00:00 1970 From: cw00.choi@samsung.com (Chanwoo Choi) Date: Thu, 10 Apr 2014 19:06:13 +0900 Subject: [PATCH 23/27] ARM: dts: exynos3250: Add spi dt node to support spi bus In-Reply-To: <1397122658-16013-1-git-send-email-cw00.choi@samsung.com> References: <1397122658-16013-1-git-send-email-cw00.choi@samsung.com> Message-ID: <1397124377-16969-15-git-send-email-cw00.choi@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Tomasz Figa This patch add spi dt node to support SPI (Serial Peripheral Interface) bus. SPI in Exynos3250 transfers serial data by using various peripherals. Exynos3250 has two independent interface (spi0/1). Signed-off-by: Tomasz Figa Signed-off-by: Kyungmin Park --- arch/arm/boot/dts/exynos3250.dtsi | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) diff --git a/arch/arm/boot/dts/exynos3250.dtsi b/arch/arm/boot/dts/exynos3250.dtsi index b8e5ae13..03e7931 100644 --- a/arch/arm/boot/dts/exynos3250.dtsi +++ b/arch/arm/boot/dts/exynos3250.dtsi @@ -30,6 +30,8 @@ pinctrl1 = &pinctrl_1; mshc0 = &mshc_0; mshc1 = &mshc_1; + spi0 = &spi_0; + spi1 = &spi_1; i2c0 = &i2c_0; i2c1 = &i2c_1; i2c2 = &i2c_2; @@ -311,6 +313,38 @@ status = "disabled"; }; + spi_0: spi at 13920000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x13920000 0x100>; + interrupts = <0 121 0>; + dmas = <&pdma0 7>, <&pdma0 6>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cmu CLK_SPI0>, <&cmu CLK_SCLK_SPI0>; + clock-names = "spi", "spi_busclk0"; + samsung,spi-src-clk = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&spi0_bus>; + status = "disabled"; + }; + + spi_1: spi at 13930000 { + compatible = "samsung,exynos4210-spi"; + reg = <0x13930000 0x100>; + interrupts = <0 122 0>; + dmas = <&pdma1 7>, <&pdma1 6>; + dma-names = "tx", "rx"; + #address-cells = <1>; + #size-cells = <0>; + clocks = <&cmu CLK_SPI1>, <&cmu CLK_SCLK_SPI1>; + clock-names = "spi", "spi_busclk0"; + samsung,spi-src-clk = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&spi1_bus>; + status = "disabled"; + }; + pmu { compatible = "arm,cortex-a7-pmu"; interrupts = <0 18 0>, <0 19 0>, <0 20 0>, <0 21 0>; -- 1.8.0