A-Team_Digital_Solutions/android_kernel_motorola_sm6375
Watch
2
0
Fork
You've already forked android_kernel_motorola_sm6375
 0
mirror of https://github.com/BobTheBlinker/android_kernel_motorola_sm6375.git synced 2026-10-14 00:24:41 -04:00
Code Issues Projects Releases Packages Wiki Activity

usb: phy: qmp: support multiple function of portselect

Browse source 
On QRD device we want to read pmic CC output through gpio function,
thus request and release phy pinctrl state here,
it allow other function driver request gpio pin state.

Change-Id: I9901e3019656691d1f4ae17cd55ef2cd6784a330
Signed-off-by: Linyu Yuan <linyyuan@codeaurora.org>
This commit is contained in:
Linyu Yuan 2020-04-24 17:51:16 +08:00
commit 94d1501dee
1 changed files with 39 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

49
drivers/usb/phy/phy-msm-ssusb-qmp.c
View file

@ -365,6 +365,44 @@ static void msm_ssphy_qmp_setmode(struct msm_ssphy_qmp *phy, u32 mode)
readl_relaxed(phy->base + phy->phy_reg[USB3_DP_COM_PHY_MODE_CTRL]);
}
static void usb_qmp_update_hw_portselect(struct msm_ssphy_qmp *phy)
{
struct pinctrl *portselect_pinctrl;
struct pinctrl_state *portselect_state;
if (phy->phy.dev->pins) {
portselect_pinctrl = phy->phy.dev->pins->p;
portselect_state = phy->phy.dev->pins->default_state;
} else {
portselect_pinctrl = pinctrl_get(phy->phy.dev);
if (IS_ERR_OR_NULL(portselect_pinctrl)) {
dev_dbg(phy->phy.dev, "failed to get pinctrl\n");
return;
}
portselect_state =
pinctrl_lookup_state(portselect_pinctrl, "portselect");
if (IS_ERR_OR_NULL(portselect_state)) {
dev_dbg(phy->phy.dev,
"failed to find portselect state\n");
pinctrl_put(portselect_pinctrl);
return;
}
}
dev_dbg(phy->phy.dev, "use hw port select\n");
writel_relaxed(0x01,
phy->base + phy->phy_reg[USB3_DP_COM_SW_RESET]);
pinctrl_select_state(portselect_pinctrl, portselect_state);
writel_relaxed(0x00,
phy->base + phy->phy_reg[USB3_DP_COM_SW_RESET]);
if (!phy->phy.dev->pins)
pinctrl_put(portselect_pinctrl);
}
static void usb_qmp_update_portselect_phymode(struct msm_ssphy_qmp *phy)
{
@ -382,16 +420,7 @@ static void usb_qmp_update_portselect_phymode(struct msm_ssphy_qmp *phy)
switch (phy->phy_type) {
case USB3_AND_DP:
if (phy->phy.dev->pins) {
writel_relaxed(0x01,
phy->base + phy->phy_reg[USB3_DP_COM_SW_RESET]);
pinctrl_select_state(phy->phy.dev->pins->p,
phy->phy.dev->pins->default_state);
writel_relaxed(0x00,
phy->base + phy->phy_reg[USB3_DP_COM_SW_RESET]);
}
usb_qmp_update_hw_portselect(phy);
/* override hardware control for reset of qmp phy */
writel_relaxed(SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |