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drm/mediatek: add hdmi driver for MT2701 and MT7623

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This patch adds hdmi dirver suppot for both MT2701 and MT7623.
And also support other (existing or future) chips that use
the same binding and driver.

Signed-off-by: chunhui dai <chunhui.dai@mediatek.com>
Signed-off-by: CK Hu <ck.hu@mediatek.com>
This commit is contained in:
chunhui dai
2018-10-03 11:41:49 +08:00
committed by CK Hu
parent d1ef028d95
commit 0fc721b296
5 changed files with 226 additions and 3 deletions
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9
drivers/gpu/drm/mediatek/mtk_hdmi.c
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@@ -241,8 +241,13 @@ static void mtk_hdmi_hw_make_reg_writable(struct mtk_hdmi *hdmi, bool enable)
* The ARM trusted firmware provides an API for the HDMI driver to set
* this control bit to enable HDMI output in supervisor mode.
*/
arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904, 0x80000000,
0, 0, 0, 0, 0, &res);
if (hdmi_phy->conf && hdmi_phy->conf->tz_disabled)
regmap_update_bits(hdmi->sys_regmap,
hdmi->sys_offset + HDMI_SYS_CFG20,
0x80008005, enable ? 0x80000005 : 0x8000);
else
arm_smccc_smc(MTK_SIP_SET_AUTHORIZED_SECURE_REG, 0x14000904,
0x80000000, 0, 0, 0, 0, 0, &res);
regmap_update_bits(hdmi->sys_regmap, hdmi->sys_offset + HDMI_SYS_CFG20,
HDMI_PCLK_FREE_RUN, enable ? HDMI_PCLK_FREE_RUN : 0);