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([2804:14c:485:4b61:ce5f:dbc6:1eb6:2900]) by smtp.gmail.com with ESMTPSA id zh27-20020a0568716b9b00b001a663e49523sm1905890oab.36.2023.07.12.04.53.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 12 Jul 2023 04:53:11 -0700 (PDT) From: Fabio Estevam To: shawnguo@kernel.org Cc: hs@denx.de, linux-arm-kernel@lists.infradead.org, sboyd@kernel.org, abelvesa@kernel.org, linux-clk@vger.kernel.org, Fabio Estevam Subject: [PATCH v3 2/3] ARM: dts: imx6sx: Describe the default LCDIF1 parent Date: Wed, 12 Jul 2023 08:53:00 -0300 Message-Id: <20230712115301.690714-2-festevam@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230712115301.690714-1-festevam@gmail.com> References: <20230712115301.690714-1-festevam@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230712_045317_210205_DDC27304 X-CRM114-Status: GOOD ( 13.82 ) 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Fabio Estevam A suitable default for the LCDIF parent is the PLL5 clock, so describe it in the device tree. The imx6sx clock driver harcodes PLL5 as the LCDIF1 parent, but in preparation for removing such hardcoding, describe the parent relationship via devicetree. There are some boards that may want to use a different parent for the LCDIF due to EMI reasons, for example. With this approch, the user can change the LCDIF parent in the board devicetree if needed. Signed-off-by: Fabio Estevam --- Changes since v2: - Rebased against 6.5-rc1. arch/arm/boot/dts/nxp/imx/imx6sx.dtsi | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi index 41c900929758..0d549e1f3ced 100644 --- a/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi +++ b/arch/arm/boot/dts/nxp/imx/imx6sx.dtsi @@ -1305,6 +1305,10 @@ lcdif1: lcdif@2220000 { <&clks IMX6SX_CLK_LCDIF_APB>, <&clks IMX6SX_CLK_DISPLAY_AXI>; clock-names = "pix", "axi", "disp_axi"; + assigned-clocks = <&clks IMX6SX_CLK_LCDIF1_PRE_SEL>, + <&clks IMX6SX_CLK_LCDIF1_SEL>; + assigned-clock-parents = <&clks IMX6SX_CLK_PLL5_VIDEO_DIV>, + <&clks IMX6SX_CLK_LCDIF1_PODF>; power-domains = <&pd_disp>; status = "disabled"; -- 2.34.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel