Messages in this thread Patch in this message | | | From | Weiyi Lu <> | Subject | [PATCH v4 26/34] clk: mediatek: Add MT8192 mdpsys clock support | Date | Thu, 22 Oct 2020 20:37:19 +0800 |
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Add MT8192 mdpsys clock provider
Signed-off-by: Weiyi Lu <weiyi.lu@mediatek.com> --- drivers/clk/mediatek/Kconfig | 6 +++ drivers/clk/mediatek/Makefile | 1 + drivers/clk/mediatek/clk-mt8192-mdp.c | 89 +++++++++++++++++++++++++++++++++++ 3 files changed, 96 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8192-mdp.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index df75a09..ef04d54 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -533,6 +533,12 @@ config COMMON_CLK_MT8192_IPESYS help This driver supports MediaTek MT8192 ipesys clocks. +config COMMON_CLK_MT8192_MDPSYS + bool "Clock driver for MediaTek MT8192 mdpsys" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 mdpsys clocks. + config COMMON_CLK_MT8516 bool "Clock driver for MediaTek MT8516" depends on ARCH_MEDIATEK || COMPILE_TEST diff --git a/drivers/clk/mediatek/Makefile b/drivers/clk/mediatek/Makefile index 5fe21f9..0e5c5d8 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -76,5 +76,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP_S) += clk-mt8192-imp_iic_wrap_s.o obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP_W) += clk-mt8192-imp_iic_wrap_w.o obj-$(CONFIG_COMMON_CLK_MT8192_IMP_IIC_WRAP_WS) += clk-mt8192-imp_iic_wrap_ws.o obj-$(CONFIG_COMMON_CLK_MT8192_IPESYS) += clk-mt8192-ipe.o +obj-$(CONFIG_COMMON_CLK_MT8192_MDPSYS) += clk-mt8192-mdp.o obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o diff --git a/drivers/clk/mediatek/clk-mt8192-mdp.c b/drivers/clk/mediatek/clk-mt8192-mdp.c new file mode 100644 index 0000000..2df020d --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-mdp.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0-only +// +// Copyright (c) 2020 MediaTek Inc. +// Author: Weiyi Lu <weiyi.lu@mediatek.com> + +#include <linux/clk-provider.h> +#include <linux/platform_device.h> + +#include "clk-mtk.h" +#include "clk-gate.h" + +#include <dt-bindings/clock/mt8192-clk.h> + +static const struct mtk_gate_regs mdp0_cg_regs = { + .set_ofs = 0x104, + .clr_ofs = 0x108, + .sta_ofs = 0x100, +}; + +static const struct mtk_gate_regs mdp1_cg_regs = { + .set_ofs = 0x124, + .clr_ofs = 0x128, + .sta_ofs = 0x120, +}; + +#define GATE_MDP0(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mdp0_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +#define GATE_MDP1(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &mdp1_cg_regs, _shift, &mtk_clk_gate_ops_setclr) + +static const struct mtk_gate mdp_clks[] = { + /* MDP0 */ + GATE_MDP0(CLK_MDP_RDMA0, "mdp_mdp_rdma0", "mdp_sel", 0), + GATE_MDP0(CLK_MDP_TDSHP0, "mdp_mdp_tdshp0", "mdp_sel", 1), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC0, "mdp_img_dl_async0", "mdp_sel", 2), + GATE_MDP0(CLK_MDP_IMG_DL_ASYNC1, "mdp_img_dl_async1", "mdp_sel", 3), + GATE_MDP0(CLK_MDP_RDMA1, "mdp_mdp_rdma1", "mdp_sel", 4), + GATE_MDP0(CLK_MDP_TDSHP1, "mdp_mdp_tdshp1", "mdp_sel", 5), + GATE_MDP0(CLK_MDP_SMI0, "mdp_smi0", "mdp_sel", 6), + GATE_MDP0(CLK_MDP_APB_BUS, "mdp_apb_bus", "mdp_sel", 7), + GATE_MDP0(CLK_MDP_WROT0, "mdp_mdp_wrot0", "mdp_sel", 8), + GATE_MDP0(CLK_MDP_RSZ0, "mdp_mdp_rsz0", "mdp_sel", 9), + GATE_MDP0(CLK_MDP_HDR0, "mdp_mdp_hdr0", "mdp_sel", 10), + GATE_MDP0(CLK_MDP_MUTEX0, "mdp_mdp_mutex0", "mdp_sel", 11), + GATE_MDP0(CLK_MDP_WROT1, "mdp_mdp_wrot1", "mdp_sel", 12), + GATE_MDP0(CLK_MDP_RSZ1, "mdp_mdp_rsz1", "mdp_sel", 13), + GATE_MDP0(CLK_MDP_HDR1, "mdp_mdp_hdr1", "mdp_sel", 14), + GATE_MDP0(CLK_MDP_FAKE_ENG0, "mdp_mdp_fake_eng0", "mdp_sel", 15), + GATE_MDP0(CLK_MDP_AAL0, "mdp_mdp_aal0", "mdp_sel", 16), + GATE_MDP0(CLK_MDP_AAL1, "mdp_mdp_aal1", "mdp_sel", 17), + GATE_MDP0(CLK_MDP_COLOR0, "mdp_mdp_color0", "mdp_sel", 18), + GATE_MDP0(CLK_MDP_COLOR1, "mdp_mdp_color1", "mdp_sel", 19), + /* MDP1 */ + GATE_MDP1(CLK_MDP_IMG_DL_RELAY0_ASYNC0, "mdp_img_dl_relay0_async0", "mdp_sel", 0), + GATE_MDP1(CLK_MDP_IMG_DL_RELAY1_ASYNC1, "mdp_img_dl_relay1_async1", "mdp_sel", 8), +}; + +static int clk_mt8192_mdp_probe(struct platform_device *pdev) +{ + struct clk_onecell_data *clk_data; + struct device_node *node = pdev->dev.of_node; + int r; + + clk_data = mtk_alloc_clk_data(CLK_MDP_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, mdp_clks, ARRAY_SIZE(mdp_clks), clk_data); + if (r) + return r; + + return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data); +} + +static const struct of_device_id of_match_clk_mt8192_mdp[] = { + { .compatible = "mediatek,mt8192-mdpsys", }, + {} +}; + +static struct platform_driver clk_mt8192_mdp_drv = { + .probe = clk_mt8192_mdp_probe, + .driver = { + .name = "clk-mt8192-mdp", + .of_match_table = of_match_clk_mt8192_mdp, + }, +}; + +builtin_platform_driver(clk_mt8192_mdp_drv); -- 1.8.1.1.dirty | |