linux-kernel - [PATCH v6 4/5] ARM: dts: exynos: Add Ethernet to Artik 5 board

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Date:   Thu, 12 Nov 2020 12:51:05 +0100
From:   Łukasz Stelmach <l.stelmach@...sung.com>
To:     Andrew Lunn <andrew@...n.ch>, jim.cromie@...il.com,
        Heiner Kallweit <hkallweit1@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Cc:     Bartłomiej Żolnierkiewicz 
        <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Łukasz Stelmach <l.stelmach@...sung.com>
Subject: [PATCH v6 4/5] ARM: dts: exynos: Add Ethernet to Artik 5 board

Add node for ax88796c ethernet chip.

Signed-off-by: Łukasz Stelmach <l.stelmach@...sung.com>
---
 arch/arm/boot/dts/exynos3250-artik5-eval.dts | 29 ++++++++++++++++++++
 1 file changed, 29 insertions(+)

diff --git a/arch/arm/boot/dts/exynos3250-artik5-eval.dts b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
index 20446a846a98..a91e09a7d3fa 100644
--- a/arch/arm/boot/dts/exynos3250-artik5-eval.dts
+++ b/arch/arm/boot/dts/exynos3250-artik5-eval.dts
@@ -37,3 +37,32 @@ &mshc_2 {
 &serial_2 {
 	status = "okay";
 };
+
+&spi_0 {
+	status = "okay";
+	cs-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>, <0>;
+
+	assigned-clocks = <&cmu CLK_MOUT_MPLL>, <&cmu CLK_DIV_MPLL_PRE>,
+		<&cmu CLK_MOUT_SPI0>, <&cmu CLK_DIV_SPI0>,
+		<&cmu CLK_DIV_SPI0_PRE>, <&cmu CLK_SCLK_SPI0>;
+	assigned-clock-parents =
+		<&cmu CLK_FOUT_MPLL>,    /* for: CLK_MOUT_MPLL */
+		<&cmu CLK_MOUT_MPLL>,	 /* for: CLK_DIV_MPLL_PRE */
+		<&cmu CLK_DIV_MPLL_PRE>, /* for: CLK_MOUT_SPI0 */
+		<&cmu CLK_MOUT_SPI0>,    /* for: CLK_DIV_SPI0 */
+		<&cmu CLK_DIV_SPI0>,     /* for: CLK_DIV_SPI0_PRE */
+		<&cmu CLK_DIV_SPI0_PRE>; /* for: CLK_SCLK_SPI0 */
+
+	ethernet@0 {
+		compatible = "asix,ax88796c";
+		reg = <0x0>;
+		local-mac-address = [00 00 00 00 00 00]; /* Filled in by a boot-loader */
+		interrupt-parent = <&gpx2>;
+		interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
+		spi-max-frequency = <40000000>;
+		reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;
+		controller-data {
+			samsung,spi-feedback-delay = <2>;
+		};
+	};
+};
-- 
2.26.2