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phy: rockchip: Add Samsung HDMI/eDP Combo PHY driver

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Add driver for the HDMI/eDP TX Combo PHY found on Rockchip RK3588 SoC.

The PHY is based on a Samsung IP block and supports HDMI 2.1 TMDS, FRL
and eDP links.  The maximum data rate is 12Gbps (FRL), while the minimum
is 250Mbps (TMDS).

Only the TMDS link is currently supported.

Co-developed-by: Algea Cao <algea.cao@rock-chips.com>
Signed-off-by: Algea Cao <algea.cao@rock-chips.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Link: https://lore.kernel.org/r/20240214-phy-hdptx-v4-2-e7974f46c1a7@collabora.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Cristian Ciocaltea 2024-02-14 13:45:37 +02:00 committed by Vinod Koul
parent 3312a0e8f6
commit 553be2830c
3 changed files with 1037 additions and 0 deletions
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8
drivers/phy/rockchip/Kconfig
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@ -83,6 +83,14 @@ config PHY_ROCKCHIP_PCIE
help
Enable this to support the Rockchip PCIe PHY.
config PHY_ROCKCHIP_SAMSUNG_HDPTX
tristate "Rockchip Samsung HDMI/eDP Combo PHY driver"
depends on (ARCH_ROCKCHIP || COMPILE_TEST) && OF
select GENERIC_PHY
help
Enable this to support the Rockchip HDMI/eDP Combo PHY
with Samsung IP block.
config PHY_ROCKCHIP_SNPS_PCIE3
tristate "Rockchip Snps PCIe3 PHY Driver"
depends on (ARCH_ROCKCHIP && OF) || COMPILE_TEST

1
drivers/phy/rockchip/Makefile
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@ -8,6 +8,7 @@ obj-$(CONFIG_PHY_ROCKCHIP_INNO_HDMI) += phy-rockchip-inno-hdmi.o
obj-$(CONFIG_PHY_ROCKCHIP_INNO_USB2) += phy-rockchip-inno-usb2.o
obj-$(CONFIG_PHY_ROCKCHIP_NANENG_COMBO_PHY) += phy-rockchip-naneng-combphy.o
obj-$(CONFIG_PHY_ROCKCHIP_PCIE) += phy-rockchip-pcie.o
obj-$(CONFIG_PHY_ROCKCHIP_SAMSUNG_HDPTX) += phy-rockchip-samsung-hdptx.o
obj-$(CONFIG_PHY_ROCKCHIP_SNPS_PCIE3) += phy-rockchip-snps-pcie3.o
obj-$(CONFIG_PHY_ROCKCHIP_TYPEC) += phy-rockchip-typec.o
obj-$(CONFIG_PHY_ROCKCHIP_USB) += phy-rockchip-usb.o

1028
drivers/phy/rockchip/phy-rockchip-samsung-hdptx.c Normal file
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