1 files changed, 112 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8365-mm.c b/drivers/clk/mediatek/clk-mt8365-mm.c
new file mode 100644
index 000000000..5c8bf18ab
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8365-mm.c
@@ -0,0 +1,112 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (C) 2022 MediaTek Inc.
+ * Copyright (c) 2022 BayLibre, SAS
+ */
+
+#include <dt-bindings/clock/mediatek,mt8365-clk.h>
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+static const struct mtk_gate_regs mm0_cg_regs = {
+	.set_ofs = 0x104,
+	.clr_ofs = 0x108,
+	.sta_ofs = 0x100,
+};
+
+static const struct mtk_gate_regs mm1_cg_regs = {
+	.set_ofs = 0x114,
+	.clr_ofs = 0x118,
+	.sta_ofs = 0x110,
+};
+
+#define GATE_MM0(_id, _name, _parent, _shift) \
+		GATE_MTK(_id, _name, _parent, &mm0_cg_regs, _shift, \
+			 &mtk_clk_gate_ops_setclr)
+
+#define GATE_MM1(_id, _name, _parent, _shift) \
+		GATE_MTK(_id, _name, _parent, &mm1_cg_regs, _shift, \
+			 &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate mm_clks[] = {
+	/* MM0 */
+	GATE_MM0(CLK_MM_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 0),
+	GATE_MM0(CLK_MM_MM_MDP_CCORR0, "mm_mdp_ccorr0", "mm_sel", 1),
+	GATE_MM0(CLK_MM_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 2),
+	GATE_MM0(CLK_MM_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 3),
+	GATE_MM0(CLK_MM_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 4),
+	GATE_MM0(CLK_MM_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 5),
+	GATE_MM0(CLK_MM_MM_MDP_WDMA0, "mm_mdp_wdma0", "mm_sel", 6),
+	GATE_MM0(CLK_MM_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 7),
+	GATE_MM0(CLK_MM_MM_DISP_OVL0_2L, "mm_disp_ovl0_2l", "mm_sel", 8),
+	GATE_MM0(CLK_MM_MM_DISP_RSZ0, "mm_disp_rsz0", "mm_sel", 9),
+	GATE_MM0(CLK_MM_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 10),
+	GATE_MM0(CLK_MM_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 11),
+	GATE_MM0(CLK_MM_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 12),
+	GATE_MM0(CLK_MM_MM_DISP_CCORR0, "mm_disp_ccorr0", "mm_sel", 13),
+	GATE_MM0(CLK_MM_MM_DISP_AAL0, "mm_disp_aal0", "mm_sel", 14),
+	GATE_MM0(CLK_MM_MM_DISP_GAMMA0, "mm_disp_gamma0", "mm_sel", 15),
+	GATE_MM0(CLK_MM_MM_DISP_DITHER0, "mm_disp_dither0", "mm_sel", 16),
+	GATE_MM0(CLK_MM_MM_DSI0, "mm_dsi0", "mm_sel", 17),
+	GATE_MM0(CLK_MM_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 18),
+	GATE_MM0(CLK_MM_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 19),
+	GATE_MM0(CLK_MM_DPI0_DPI0, "mm_dpi0_dpi0", "vpll_dpix", 20),
+	GATE_MM0(CLK_MM_MM_FAKE, "mm_fake", "mm_sel", 21),
+	GATE_MM0(CLK_MM_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 22),
+	GATE_MM0(CLK_MM_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 23),
+	GATE_MM0(CLK_MM_MM_SMI_COMM0, "mm_smi_comm0", "mm_sel", 24),
+	GATE_MM0(CLK_MM_MM_SMI_COMM1, "mm_smi_comm1", "mm_sel", 25),
+	GATE_MM0(CLK_MM_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 26),
+	GATE_MM0(CLK_MM_MM_SMI_IMG, "mm_smi_img", "mm_sel", 27),
+	GATE_MM0(CLK_MM_MM_SMI_CAM, "mm_smi_cam", "mm_sel", 28),
+	GATE_MM0(CLK_MM_IMG_IMG_DL_RELAY, "mm_dl_relay", "mm_sel", 29),
+	GATE_MM0(CLK_MM_IMG_IMG_DL_ASYNC_TOP, "mm_dl_async_top", "mm_sel", 30),
+	GATE_MM0(CLK_MM_DSI0_DIG_DSI, "mm_dsi0_dig_dsi", "dsi0_lntc_dsick", 31),
+	/* MM1 */
+	GATE_MM1(CLK_MM_26M_HRTWT, "mm_f26m_hrtwt", "clk26m", 0),
+	GATE_MM1(CLK_MM_MM_DPI0, "mm_dpi0", "mm_sel", 1),
+	GATE_MM1(CLK_MM_LVDSTX_PXL, "mm_flvdstx_pxl", "vpll_dpix", 2),
+	GATE_MM1(CLK_MM_LVDSTX_CTS, "mm_flvdstx_cts", "lvdstx_dig_cts", 3),
+};
+
+static int clk_mt8365_mm_probe(struct platform_device *pdev)
+{
+	struct device *dev = &pdev->dev;
+	struct device_node *node = dev->parent->of_node;
+	struct clk_hw_onecell_data *clk_data;
+	int ret;
+
+	clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
+
+	ret = mtk_clk_register_gates_with_dev(node, mm_clks,
+					      ARRAY_SIZE(mm_clks), clk_data,
+					      dev);
+	if (ret)
+		goto err_free_clk_data;
+
+	ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data);
+	if (ret)
+		goto err_unregister_gates;
+
+	return 0;
+
+err_unregister_gates:
+	mtk_clk_unregister_gates(mm_clks, ARRAY_SIZE(mm_clks), clk_data);
+
+err_free_clk_data:
+	mtk_free_clk_data(clk_data);
+
+	return ret;
+}
+
+static struct platform_driver clk_mt8365_mm_drv = {
+	.probe = clk_mt8365_mm_probe,
+	.driver = {
+		.name = "clk-mt8365-mm",
+	},
+};
+builtin_platform_driver(clk_mt8365_mm_drv);
+MODULE_LICENSE("GPL");