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Diffstat (limited to '')
-rw-r--r-- | drivers/clk/mediatek/clk-mt8167-vdec.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8167-vdec.c b/drivers/clk/mediatek/clk-mt8167-vdec.c new file mode 100644 index 000000000..38f0ba357 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8167-vdec.c @@ -0,0 +1,61 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (c) 2020 MediaTek Inc. + * Copyright (c) 2020 BayLibre, SAS + * Author: James Liao <jamesjj.liao@mediatek.com> + * Fabien Parent <fparent@baylibre.com> + */ + +#include <linux/clk-provider.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/of_device.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8167-clk.h> + +static const struct mtk_gate_regs vdec0_cg_regs = { + .set_ofs = 0x0, + .clr_ofs = 0x4, + .sta_ofs = 0x0, +}; + +static const struct mtk_gate_regs vdec1_cg_regs = { + .set_ofs = 0x8, + .clr_ofs = 0xc, + .sta_ofs = 0x8, +}; + +#define GATE_VDEC0_I(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec0_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +#define GATE_VDEC1_I(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &vdec1_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +static const struct mtk_gate vdec_clks[] __initconst = { + /* VDEC0 */ + GATE_VDEC0_I(CLK_VDEC_CKEN, "vdec_cken", "rg_vdec", 0), + /* VDEC1 */ + GATE_VDEC1_I(CLK_VDEC_LARB1_CKEN, "vdec_larb1_cken", "smi_mm", 0), +}; + +static void __init mtk_vdecsys_init(struct device_node *node) +{ + struct clk_hw_onecell_data *clk_data; + int r; + + clk_data = mtk_alloc_clk_data(CLK_VDEC_NR_CLK); + + mtk_clk_register_gates(node, vdec_clks, ARRAY_SIZE(vdec_clks), clk_data); + + r = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, clk_data); + + if (r) + pr_err("%s(): could not register clock provider: %d\n", + __func__, r); + +} +CLK_OF_DECLARE(mtk_vdecsys, "mediatek,mt8167-vdecsys", mtk_vdecsys_init); |