linux-kernel - [PATCH 5.11 054/775] arm64: dts: rockchip: rk3328: Add clock_in

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Date:   Mon,  1 Mar 2021 17:03:42 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Chen-Yu Tsai <wens@...e.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.11 054/775] arm64: dts: rockchip: rk3328: Add clock_in_out property to gmac2phy node

From: Chen-Yu Tsai <wens@...e.org>

[ Upstream commit c6433083f5930fdf52ad47c8c0459719c810dc89 ]

The gmac2phy is integrated with the PHY within the SoC. Any properties
related to this integration can be included in the .dtsi file, instead
of having board dts files specify them separately.

Add the clock_in_out property to specify the direction of the PHY clock.
This is the minimum required to have gmac2phy working on Linux. Other
examples include assigned-clocks, assigned-clock-rates, and
assigned-clock-parents properties, but the hardware default plus the
implementation requesting the appropriate clock rate also works.

Fixes: 9c4cc910fe28 ("ARM64: dts: rockchip: Add gmac2phy node support for rk3328")
Signed-off-by: Chen-Yu Tsai <wens@...e.org>
Link: https://lore.kernel.org/r/20210117100710.4857-2-wens@kernel.org
Signed-off-by: Heiko Stuebner <heiko@...ech.de>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm64/boot/dts/rockchip/rk3328.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index db0d5c8e5f96a..93c734d8a46c2 100644
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -928,6 +928,7 @@
 		phy-mode = "rmii";
 		phy-handle = <&phy>;
 		snps,txpbl = <0x4>;
+		clock_in_out = "output";
 		status = "disabled";
 
 		mdio {
-- 
2.27.0