From: Leilk Liu <leilk.liu@mediatek.com>
To: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Mark Brown <broonie@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-spi@vger.kernel.org>, <linux-mediatek@lists.infradead.org>,
Leilk Liu <leilk.liu@mediatek.com>
Subject: [PATCH v7] arm64: dts: Add spi bus dts
Date: Mon, 31 Aug 2015 21:44:19 +0800 [thread overview]
Message-ID: <1441028659-19068-1-git-send-email-leilk.liu@mediatek.com> (raw)
This patch adds MT8173 spi bus controllers into device tree.
Signed-off-by: Leilk Liu <leilk.liu@mediatek.com>
---
Change in this patch:
1. fix spi clock flow usage error.
---
arch/arm64/boot/dts/mediatek/mt8173-evb.dts | 18 ++++++++++++++++++
arch/arm64/boot/dts/mediatek/mt8173.dtsi | 13 +++++++++++++
2 files changed, 31 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
index 4be66ca..811cb76 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
+++ b/arch/arm64/boot/dts/mediatek/mt8173-evb.dts
@@ -387,6 +387,24 @@
};
};
+&pio {
+ spi_pins_a: spi0 {
+ pins_spi {
+ pinmux = <MT8173_PIN_69_SPI_CK__FUNC_SPI_CK_0_>,
+ <MT8173_PIN_70_SPI_MI__FUNC_SPI_MI_0_>,
+ <MT8173_PIN_71_SPI_MO__FUNC_SPI_MO_0_>,
+ <MT8173_PIN_72_SPI_CS__FUNC_SPI_CS_0_>;
+ };
+ };
+};
+
+&spi {
+ pinctrl-names = "default";
+ pinctrl-0 = <&spi_pins_a>;
+ mediatek,pad-select = <0>;
+ status = "okay";
+};
+
&uart0 {
status = "okay";
};
diff --git a/arch/arm64/boot/dts/mediatek/mt8173.dtsi b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
index d18ee42..fcb4860 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173.dtsi
@@ -365,6 +365,19 @@
status = "disabled";
};
+ spi: spi@1100a000 {
+ compatible = "mediatek,mt8173-spi";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0 0x1100a000 0 0x1000>;
+ interrupts = <GIC_SPI 110 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&topckgen CLK_TOP_SYSPLL3_D2>,
+ <&topckgen CLK_TOP_SPI_SEL>,
+ <&pericfg CLK_PERI_SPI0>;
+ clock-names = "parent-clk", "sel-clk", "spi-clk";
+ status = "disabled";
+ };
+
i2c3: i2c3@11010000 {
compatible = "mediatek,mt8173-i2c";
reg = <0 0x11010000 0 0x70>,
--
1.8.1.1.dirty
next reply other threads:[~2015-08-31 13:44 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 13:44 Leilk Liu [this message]
2015-09-08 8:59 ` [PATCH v7] arm64: dts: Add spi bus dts Nicolas Boichat
[not found] ` <CANMq1KBhg4j15=ik7F2MwgmyAQZgSz3QYWLivOhd8ZFuDfjHGA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-27 13:05 ` Matthias Brugger
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