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Wed, 30 Aug 2023 06:39:39 -0700 (PDT) Received: from U4.lan ([2001:9e8:b963:7410:17bb:6f65:50d0:b82b]) by smtp.gmail.com with ESMTPSA id x14-20020a05600c2a4e00b003fed70fb09dsm2326343wme.26.2023.08.30.06.39.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 30 Aug 2023 06:39:38 -0700 (PDT) From: Alex Bee To: Kishon Vijay Abraham I , Vinod Koul , Heiko Stuebner , Conor Dooley , Krzysztof Kozlowski , Rob Herring Cc: linux-phy@lists.infradead.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Alex Bee Subject: [PATCH v2 5/5] ARM: dts: rockchip: Make usbphy the parent of SCLK_USB480M for RK3128 Date: Wed, 30 Aug 2023 15:36:29 +0200 Message-ID: <20230830133623.83075-12-knaerzche@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230830133623.83075-2-knaerzche@gmail.com> References: <20230830133623.83075-2-knaerzche@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230830_063942_038059_DB9DB094 X-CRM114-Status: GOOD ( 11.02 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Without setting the parent for SCLK_USB480M the clock will use xin24m as it's default parent. While this is generally not an issue for the usb blocks to work, it becomes an issue for RK3128 since SCLK_USB480M can be a parent for other HW blocks (GPU, VPU, VIO). They never will choose this clock as their parent, because it currently always runs at OSC frequency. This sets usb480m_phy as SCLK_USB480M's parent, which now runs and outputs the expected frequency of 480 MHz and the other blocks can choose SCLK_USB480M as their parent if needed. Signed-off-by: Alex Bee --- arch/arm/boot/dts/rockchip/rk3128.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/rockchip/rk3128.dtsi b/arch/arm/boot/dts/rockchip/rk3128.dtsi index 119e89fef2a2..5590af6f42ad 100644 --- a/arch/arm/boot/dts/rockchip/rk3128.dtsi +++ b/arch/arm/boot/dts/rockchip/rk3128.dtsi @@ -113,6 +113,8 @@ usb_host_ehci: usb@101c0000 { reg = <0x101c0000 0x20000>; interrupts = ; clocks = <&cru HCLK_HOST2>; + assigned-clocks = <&cru SCLK_USB480M>; + assigned-clock-parents = <&usb2phy>; phys = <&usb2phy_host>; phy-names = "usb"; status = "disabled"; @@ -123,6 +125,8 @@ usb_host_ohci: usb@101e0000 { reg = <0x101e0000 0x20000>; interrupts = ; clocks = <&cru HCLK_HOST2>; + assigned-clocks = <&cru SCLK_USB480M>; + assigned-clock-parents = <&usb2phy>; phys = <&usb2phy_host>; phy-names = "usb"; status = "disabled";