[U-Boot] [PATCH] Enable HDMI on i.MX6 without VPU
Nikolay Petukhov
nikolaypetukhov at gmail.com
Tue Oct 10 14:27:36 UTC 2017
Hi, all
This patch enables HDMI on CPU without VPU.
A similar patch for the mainline kernel:
https://patchwork.kernel.org/patch/9874831/
Tested on MCIMX6Q4AVT10AD.
Signed-off-by: Nikolay Petukhov <nikolaypetukhov at gmail.com>
Cc: Stefano Babic sbabic at denx.de
---
arch/arm/mach-imx/mx6/soc.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/mach-imx/mx6/soc.c b/arch/arm/mach-imx/mx6/soc.c
index b724668..8b976f7 100644
--- a/arch/arm/mach-imx/mx6/soc.c
+++ b/arch/arm/mach-imx/mx6/soc.c
@@ -655,6 +655,11 @@ void imx_setup_hdmi(void)
int reg, count;
u8 val;
+ /* Turn on MIPI core cfg clock */
+ reg = readl(&mxc_ccm->CCGR3);
+ reg |= MXC_CCM_CCGR3_MIPI_CORE_CFG_MASK;
+ writel(reg, &mxc_ccm->CCGR3);
+
/* Turn on HDMI PHY clock */
reg = readl(&mxc_ccm->CCGR2);
reg |= MXC_CCM_CCGR2_HDMI_TX_IAHBCLK_MASK|
--
2.7.4
--
Nikolay
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