From c5bfe694e7a0ca3ccb46001934acdabb0014eaf3 Mon Sep 17 00:00:00 2001 From: Chuanjia Liu Date: Mon, 10 Aug 2020 16:17:08 +0800 Subject: [PATCH] clk: mediatek: add pciesys support for MT7622 SoC This patch adds pciesys support in clock driver for MediaTek MT7622 SoC. Signed-off-by: Henry Yen Signed-off-by: Chuanjia Liu --- drivers/clk/mediatek/clk-mt7622.c | 54 +++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) diff --git a/drivers/clk/mediatek/clk-mt7622.c b/drivers/clk/mediatek/clk-mt7622.c index dc0ba71f10..bd86b5b974 100644 --- a/drivers/clk/mediatek/clk-mt7622.c +++ b/drivers/clk/mediatek/clk-mt7622.c @@ -453,6 +453,41 @@ static const struct mtk_gate peri_cgs[] = { GATE_PERI1(CLK_PERI_IRTX_PD, CLK_TOP_IRTX_SEL, 2), }; +/* pciesys */ +static const struct mtk_gate_regs pcie_cg_regs = { + .set_ofs = 0x30, + .clr_ofs = 0x30, + .sta_ofs = 0x30, +}; + +#define GATE_PCIE(_id, _parent, _shift) { \ + .id = _id, \ + .parent = _parent, \ + .regs = &pcie_cg_regs, \ + .shift = _shift, \ + .flags = CLK_GATE_NO_SETCLR_INV | CLK_PARENT_TOPCKGEN, \ + } + +static const struct mtk_gate pcie_cgs[] = { + GATE_PCIE(CLK_PCIE_P1_AUX_EN, CLK_TOP_P1_1MHZ, 12), + GATE_PCIE(CLK_PCIE_P1_OBFF_EN, CLK_TOP_4MHZ, 13), + GATE_PCIE(CLK_PCIE_P1_AHB_EN, CLK_TOP_AXI_SEL, 14), + GATE_PCIE(CLK_PCIE_P1_AXI_EN, CLK_TOP_HIF_SEL, 15), + GATE_PCIE(CLK_PCIE_P1_MAC_EN, CLK_TOP_PCIE1_MAC_EN, 16), + GATE_PCIE(CLK_PCIE_P1_PIPE_EN, CLK_TOP_PCIE1_PIPE_EN, 17), + GATE_PCIE(CLK_PCIE_P0_AUX_EN, CLK_TOP_P0_1MHZ, 18), + GATE_PCIE(CLK_PCIE_P0_OBFF_EN, CLK_TOP_4MHZ, 19), + GATE_PCIE(CLK_PCIE_P0_AHB_EN, CLK_TOP_AXI_SEL, 20), + GATE_PCIE(CLK_PCIE_P0_AXI_EN, CLK_TOP_HIF_SEL, 21), + GATE_PCIE(CLK_PCIE_P0_MAC_EN, CLK_TOP_PCIE0_MAC_EN, 22), + GATE_PCIE(CLK_PCIE_P0_PIPE_EN, CLK_TOP_PCIE0_PIPE_EN, 23), + GATE_PCIE(CLK_SATA_AHB_EN, CLK_TOP_AXI_SEL, 26), + GATE_PCIE(CLK_SATA_AXI_EN, CLK_TOP_HIF_SEL, 27), + GATE_PCIE(CLK_SATA_ASIC_EN, CLK_TOP_SATA_ASIC, 28), + GATE_PCIE(CLK_SATA_RBC_EN, CLK_TOP_SATA_RBC, 29), + GATE_PCIE(CLK_SATA_PM_EN, CLK_TOP_UNIVPLL2_D4, 30), +}; + /* ethsys */ static const struct mtk_gate_regs eth_cg_regs = { .sta_ofs = 0x30, @@ -554,6 +589,11 @@ static int mt7622_pericfg_probe(struct udevice *dev) return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, peri_cgs); } +static int mt7622_pciesys_probe(struct udevice *dev) +{ + return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, pcie_cgs); +} + static int mt7622_ethsys_probe(struct udevice *dev) { return mtk_common_clk_gate_init(dev, &mt7622_clk_tree, eth_cgs); @@ -597,6 +637,11 @@ static const struct udevice_id mt7622_pericfg_compat[] = { { } }; +static const struct udevice_id mt7622_pciesys_compat[] = { + { .compatible = "mediatek,mt7622-pciesys", }, + { } +}; + static const struct udevice_id mt7622_ethsys_compat[] = { { .compatible = "mediatek,mt7622-ethsys", }, { } @@ -660,6 +705,15 @@ U_BOOT_DRIVER(mtk_clk_pericfg) = { .flags = DM_FLAG_PRE_RELOC, }; +U_BOOT_DRIVER(mtk_clk_pciesys) = { + .name = "mt7622-clock-pciesys", + .id = UCLASS_CLK, + .of_match = mt7622_pciesys_compat, + .probe = mt7622_pciesys_probe, + .priv_auto_alloc_size = sizeof(struct mtk_cg_priv), + .ops = &mtk_clk_gate_ops, +}; + U_BOOT_DRIVER(mtk_clk_ethsys) = { .name = "mt7622-clock-ethsys", .id = UCLASS_CLK, -- 2.39.5