Messages in this thread Patch in this message | | | From | Weiyi Lu <> | Subject | [PATCH v4 34/34] clk: mediatek: Add MT8192 vencsys clock support | Date | Thu, 22 Oct 2020 20:37:27 +0800 |
| |
Add MT8192 vencsys 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-venc.c | 60 ++++++++++++++++++++++++++++++++++ 3 files changed, 67 insertions(+) create mode 100644 drivers/clk/mediatek/clk-mt8192-venc.c
diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig index 74f4f00..a0513b1 100644 --- a/drivers/clk/mediatek/Kconfig +++ b/drivers/clk/mediatek/Kconfig @@ -581,6 +581,12 @@ config COMMON_CLK_MT8192_VDECSYS_SOC help This driver supports MediaTek MT8192 vdecsys_soc clocks. +config COMMON_CLK_MT8192_VENCSYS + bool "Clock driver for MediaTek MT8192 vencsys" + depends on COMMON_CLK_MT8192 + help + This driver supports MediaTek MT8192 vencsys 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 289b7e6..3e660ac 100644 --- a/drivers/clk/mediatek/Makefile +++ b/drivers/clk/mediatek/Makefile @@ -84,5 +84,6 @@ obj-$(CONFIG_COMMON_CLK_MT8192_MSDC) += clk-mt8192-msdc.o obj-$(CONFIG_COMMON_CLK_MT8192_SCP_ADSP) += clk-mt8192-scp_adsp.o obj-$(CONFIG_COMMON_CLK_MT8192_VDECSYS) += clk-mt8192-vdec.o obj-$(CONFIG_COMMON_CLK_MT8192_VDECSYS_SOC) += clk-mt8192-vdec_soc.o +obj-$(CONFIG_COMMON_CLK_MT8192_VENCSYS) += clk-mt8192-venc.o obj-$(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-venc.c b/drivers/clk/mediatek/clk-mt8192-venc.c new file mode 100644 index 0000000..4739354 --- /dev/null +++ b/drivers/clk/mediatek/clk-mt8192-venc.c @@ -0,0 +1,60 @@ +// 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 venc_cg_regs = { + .set_ofs = 0x4, + .clr_ofs = 0x8, + .sta_ofs = 0x0, +}; + +#define GATE_VENC(_id, _name, _parent, _shift) \ + GATE_MTK(_id, _name, _parent, &venc_cg_regs, _shift, &mtk_clk_gate_ops_setclr_inv) + +static const struct mtk_gate venc_clks[] = { + GATE_VENC(CLK_VENC_SET0_LARB, "venc_set0_larb", "venc_sel", 0), + GATE_VENC(CLK_VENC_SET1_VENC, "venc_set1_venc", "venc_sel", 4), + GATE_VENC(CLK_VENC_SET2_JPGENC, "venc_set2_jpgenc", "venc_sel", 8), + GATE_VENC(CLK_VENC_SET5_GALS, "venc_set5_gals", "venc_sel", 28), +}; + +static int clk_mt8192_venc_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_VENC_NR_CLK); + if (!clk_data) + return -ENOMEM; + + r = mtk_clk_register_gates(node, venc_clks, ARRAY_SIZE(venc_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_venc[] = { + { .compatible = "mediatek,mt8192-vencsys", }, + {} +}; + +static struct platform_driver clk_mt8192_venc_drv = { + .probe = clk_mt8192_venc_probe, + .driver = { + .name = "clk-mt8192-venc", + .of_match_table = of_match_clk_mt8192_venc, + }, +}; + +builtin_platform_driver(clk_mt8192_venc_drv); -- 1.8.1.1.dirty | |