Il 09/03/23 14:54, Garmin.Chang ha scritto:
Add MT8188 peripheral clock controller which provides clock
gate control for ethernet/flashif/pcie/ssusb.
Signed-off-by: Garmin.Chang <Garmin.Chang@xxxxxxxxxxxx>
Reviewed-by: Chen-Yu Tsai <wenst@xxxxxxxxxxxx>
---
drivers/clk/mediatek/Makefile | 3 +-
drivers/clk/mediatek/clk-mt8188-peri_ao.c | 56 +++++++++++++++++++++++
2 files changed, 58 insertions(+), 1 deletion(-)
create mode 100644 drivers/clk/mediatek/clk-mt8188-peri_ao.c
diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile
index d845bf7308c3..f38a5cea2925 100644
--- a/drivers/clk/mediatek/Makefile
+++ b/drivers/clk/mediatek/Makefile
@@ -91,7 +91,8 @@ obj-$(CONFIG_COMMON_CLK_MT8186) += clk-mt8186-mcu.o clk-mt8186-topckgen.o clk-mt
clk-mt8186-mfg.o clk-mt8186-mm.o clk-mt8186-wpe.o \
clk-mt8186-img.o clk-mt8186-vdec.o clk-mt8186-venc.o \
clk-mt8186-cam.o clk-mt8186-mdp.o clk-mt8186-ipe.o
-obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o
+obj-$(CONFIG_COMMON_CLK_MT8188) += clk-mt8188-apmixedsys.o clk-mt8188-topckgen.o \
+ clk-mt8188-peri_ao.o
obj-$(CONFIG_COMMON_CLK_MT8192) += clk-mt8192.o
obj-$(CONFIG_COMMON_CLK_MT8192_AUDSYS) += clk-mt8192-aud.o
obj-$(CONFIG_COMMON_CLK_MT8192_CAMSYS) += clk-mt8192-cam.o
diff --git a/drivers/clk/mediatek/clk-mt8188-peri_ao.c b/drivers/clk/mediatek/clk-mt8188-peri_ao.c
new file mode 100644
index 000000000000..683010453a10
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8188-peri_ao.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2022 MediaTek Inc.
+// Author: Garmin Chang <garmin.chang@xxxxxxxxxxxx>
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/mediatek,mt8188-clk.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs peri_ao_cg_regs = {
+ .set_ofs = 0x10,
+ .clr_ofs = 0x14,
+ .sta_ofs = 0x18,
+};
+
+#define GATE_PERI_AO(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &peri_ao_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate peri_ao_clks[] = {
+ GATE_PERI_AO(CLK_PERI_AO_ETHERNET, "peri_ao_ethernet", "top_axi", 0),
+ GATE_PERI_AO(CLK_PERI_AO_ETHERNET_BUS, "peri_ao_ethernet_bus", "top_axi", 1),
+ GATE_PERI_AO(CLK_PERI_AO_FLASHIF_BUS, "peri_ao_flashif_bus", "top_axi", 3),
+ GATE_PERI_AO(CLK_PERI_AO_FLASHIF_26M, "peri_ao_flashif_26m", "clk26m", 4),
+ GATE_PERI_AO(CLK_PERI_AO_FLASHIFLASHCK, "peri_ao_flashiflashck", "top_spinor", 5),
+ GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_BUS, "peri_ao_ssusb_2p_bus", "top_usb_top_2p", 9),
+ GATE_PERI_AO(CLK_PERI_AO_SSUSB_2P_XHCI, "peri_ao_ssusb_2p_xhci", "top_ssusb_xhci_2p", 10),
+ GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_BUS, "peri_ao_ssusb_3p_bus", "top_usb_top_3p", 11),
+ GATE_PERI_AO(CLK_PERI_AO_SSUSB_3P_XHCI, "peri_ao_ssusb_3p_xhci", "top_ssusb_xhci_3p", 12),
+ GATE_PERI_AO(CLK_PERI_AO_SSUSB_BUS, "peri_ao_ssusb_bus", "top_usb_top", 13),
+ GATE_PERI_AO(CLK_PERI_AO_SSUSB_XHCI, "peri_ao_ssusb_xhci", "top_ssusb_xhci", 14),
+ GATE_PERI_AO(CLK_PERI_AO_ETHERNET_MAC, "peri_ao_ethernet_mac_clk", "top_snps_eth_250m", 16),
+ GATE_PERI_AO(CLK_PERI_AO_PCIE_P0_FMEM, "peri_ao_pcie_p0_fmem", "hd_466m_fmem_ck", 24),
+};
+
+static const struct mtk_clk_desc peri_ao_desc = {
+ .clks = peri_ao_clks,
+ .num_clks = ARRAY_SIZE(peri_ao_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8188_peri_ao[] = {
+ { .compatible = "mediatek,mt8188-pericfg-ao", .data = &peri_ao_desc },
+ { /* sentinel */ }
+};
MODULE_DEVICE_TABLE is missing
+
+static struct platform_driver clk_mt8188_peri_ao_drv = {
+ .probe = mtk_clk_simple_probe,
+ .remove = mtk_clk_simple_remove,
+ .driver = {
+ .name = "clk-mt8188-peri_ao",
+ .of_match_table = of_match_clk_mt8188_peri_ao,
+ },
+};
+builtin_platform_driver(clk_mt8188_peri_ao_drv);
module_platform_driver()
MODULE_LICENSE
