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 --- v2: add reviewed-by Simon & Ryder --- drivers/clk/mediatek/clk-mt7629.c | 42 +++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+)
diff --git a/drivers/clk/mediatek/clk-mt7629.c b/drivers/clk/mediatek/clk-mt7629.c index 30a919f224..858be85d15 100644 --- a/drivers/clk/mediatek/clk-mt7629.c +++ b/drivers/clk/mediatek/clk-mt7629.c @@ -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, +};