Mirrors/u-boot
2
0
Fork 0
mirror of https://github.com/AsahiLinux/u-boot synced 2024-11-10 15:14:43 +00:00
Code Issues Projects Releases Packages Wiki Activity

clk: mediatek: mt7629: add support for ssusbsys

Browse source 
The SSUSB IP's clocks come from ssusbsys module on mt7629,
so add its driver

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ryder Lee <ryder.lee@mediatek.com>
This commit is contained in:
Chunfeng Yun 2020-01-09 11:35:04 +08:00 committed by Tom Rini
parent b9bf3cbfd6
commit 5f82a940a0
1 changed files with 42 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
drivers/clk/mediatek/clk-mt7629.c
View file

@ -539,6 +539,29 @@ static const struct mtk_gate sgmii_cgs[] = {
GATE_SGMII(CLK_SGMII_CDR_FB, CLK_TOP_SSUSB_CDR_FB, 5),
};
static const struct mtk_gate_regs ssusb_cg_regs = {
.set_ofs = 0x30,
.clr_ofs = 0x30,
.sta_ofs = 0x30,
};
#define GATE_SSUSB(_id, _parent, _shift) { \
.id = _id, \
.parent = _parent, \
.regs = &ssusb_cg_regs, \
.shift = _shift, \
.flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN, \
}
static const struct mtk_gate ssusb_cgs[] = {
GATE_SSUSB(CLK_SSUSB_U2_PHY_1P_EN, CLK_TOP_TO_U2_PHY_1P, 0),
GATE_SSUSB(CLK_SSUSB_U2_PHY_EN, CLK_TOP_TO_U2_PHY, 1),
GATE_SSUSB(CLK_SSUSB_REF_EN, CLK_TOP_TO_USB3_REF, 5),
GATE_SSUSB(CLK_SSUSB_SYS_EN, CLK_TOP_TO_USB3_SYS, 6),
GATE_SSUSB(CLK_SSUSB_MCU_EN, CLK_TOP_TO_USB3_MCU, 7),
GATE_SSUSB(CLK_SSUSB_DMA_EN, CLK_TOP_TO_USB3_DMA, 8),
};
static const struct mtk_clk_tree mt7629_clk_tree = {
.xtal_rate = 40 * MHZ,
.xtal2_rate = 20 * MHZ,
@ -621,6 +644,11 @@ static int mt7629_sgmiisys_probe(struct udevice *dev)
return mtk_common_clk_gate_init(dev, &mt7629_clk_tree, sgmii_cgs);
}
static int mt7629_ssusbsys_probe(struct udevice *dev)
{
return mtk_common_clk_gate_init(dev, &mt7629_clk_tree, ssusb_cgs);
}
static const struct udevice_id mt7629_apmixed_compat[] = {
{ .compatible = "mediatek,mt7629-apmixedsys" },
{ }
@ -651,6 +679,11 @@ static const struct udevice_id mt7629_sgmiisys_compat[] = {
{ }
};
static const struct udevice_id mt7629_ssusbsys_compat[] = {
{ .compatible = "mediatek,mt7629-ssusbsys" },
{ }
};
static const struct udevice_id mt7629_mcucfg_compat[] = {
{ .compatible = "mediatek,mt7629-mcucfg" },
{ }
@ -722,3 +755,12 @@ U_BOOT_DRIVER(mtk_clk_sgmiisys) = {
.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
.ops = &mtk_clk_gate_ops,
};
U_BOOT_DRIVER(mtk_clk_ssusbsys) = {
.name = "mt7629-clock-ssusbsys",
.id = UCLASS_CLK,
.of_match = mt7629_ssusbsys_compat,
.probe = mt7629_ssusbsys_probe,
.priv_auto_alloc_size = sizeof(struct mtk_cg_priv),
.ops = &mtk_clk_gate_ops,
};