From: Fabio Estevam <fabio.estevam@freescale.com> To: <shawnguo@kernel.org> Cc: Fabio Estevam <fabio.estevam@freescale.com>, linux@arm.linux.org.uk, mturquette@baylibre.com, eric.nelson@boundarydevices.com, vladimir_zapolskiy@mentor.com, kernel@pengutronix.de, Ying.liu@freescale.com, linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 2/2] clk: imx: clk-imx6q: Provide initial IPU clock settings for mx6dl Date: Fri, 26 Jun 2015 14:10:54 -0300 [thread overview] Message-ID: <1435338654-9098-2-git-send-email-fabio.estevam@freescale.com> (raw) In-Reply-To: <1435338654-9098-1-git-send-email-fabio.estevam@freescale.com> Currently it is not possible to use HDMI and LVDS at the same time on a imx6dl-sabresd board. Fix this usecase by setting IMX6QDL_CLK_PLL3_PFD1_540M to 540MHz and also by setting it as the parent of IMX6QDL_CLK_IPU1_SEL. Based on the configuration done in the FSL kernel. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> --- Changes since v2: - Move clk_set_rate for PLL3_PFD1_540M outside the if block as suggested by Vladimir Zapolskiy. drivers/clk/imx/clk-imx6q.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index d046f8e..c507bca 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -494,6 +494,10 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk_set_parent(clk[IMX6QDL_CLK_LDB_DI1_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); } + clk_set_rate(clk[IMX6QDL_CLK_PLL3_PFD1_540M], 540000000); + if (clk_on_imx6dl()) + clk_set_parent(clk[IMX6QDL_CLK_IPU1_SEL], clk[IMX6QDL_CLK_PLL3_PFD1_540M]); + clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI0_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI1_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); clk_set_parent(clk[IMX6QDL_CLK_IPU2_DI0_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); -- 1.9.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
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From: fabio.estevam@freescale.com (Fabio Estevam) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 2/2] clk: imx: clk-imx6q: Provide initial IPU clock settings for mx6dl Date: Fri, 26 Jun 2015 14:10:54 -0300 [thread overview] Message-ID: <1435338654-9098-2-git-send-email-fabio.estevam@freescale.com> (raw) In-Reply-To: <1435338654-9098-1-git-send-email-fabio.estevam@freescale.com> Currently it is not possible to use HDMI and LVDS at the same time on a imx6dl-sabresd board. Fix this usecase by setting IMX6QDL_CLK_PLL3_PFD1_540M to 540MHz and also by setting it as the parent of IMX6QDL_CLK_IPU1_SEL. Based on the configuration done in the FSL kernel. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> --- Changes since v2: - Move clk_set_rate for PLL3_PFD1_540M outside the if block as suggested by Vladimir Zapolskiy. drivers/clk/imx/clk-imx6q.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c index d046f8e..c507bca 100644 --- a/drivers/clk/imx/clk-imx6q.c +++ b/drivers/clk/imx/clk-imx6q.c @@ -494,6 +494,10 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node) clk_set_parent(clk[IMX6QDL_CLK_LDB_DI1_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); } + clk_set_rate(clk[IMX6QDL_CLK_PLL3_PFD1_540M], 540000000); + if (clk_on_imx6dl()) + clk_set_parent(clk[IMX6QDL_CLK_IPU1_SEL], clk[IMX6QDL_CLK_PLL3_PFD1_540M]); + clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI0_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); clk_set_parent(clk[IMX6QDL_CLK_IPU1_DI1_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); clk_set_parent(clk[IMX6QDL_CLK_IPU2_DI0_PRE_SEL], clk[IMX6QDL_CLK_PLL5_VIDEO_DIV]); -- 1.9.1
next prev parent reply other threads:[~2015-06-26 17:10 UTC|newest] Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top 2015-06-26 17:10 [PATCH v3 1/2] ARM: dts: imx6qdl-sabresd: Allow HDMI and LVDS to work simultaneously Fabio Estevam 2015-06-26 17:10 ` Fabio Estevam 2015-06-26 17:10 ` Fabio Estevam [this message] 2015-06-26 17:10 ` [PATCH v3 2/2] clk: imx: clk-imx6q: Provide initial IPU clock settings for mx6dl Fabio Estevam 2015-07-13 8:39 ` [PATCH v3 1/2] ARM: dts: imx6qdl-sabresd: Allow HDMI and LVDS to work simultaneously Shawn Guo 2015-07-13 8:39 ` Shawn Guo
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