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Message-ID: <CAGXv+5EyKJ=-hY+-kzzeFOZhSwiTTmGPi-4ux01hyimJfoEJRw@mail.gmail.com>
Date: Fri, 9 Jul 2021 18:45:34 +0800
From: Chen-Yu Tsai <wenst@...omium.org>
To: Chun-Jie Chen <chun-jie.chen@...iatek.com>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
Stephen Boyd <sboyd@...nel.org>,
Nicolas Boichat <drinkcat@...omium.org>,
Rob Herring <robh+dt@...nel.org>,
linux-arm-kernel@...ts.infradead.org,
LKML <linux-kernel@...r.kernel.org>,
linux-mediatek@...ts.infradead.org, linux-clk@...r.kernel.org,
devicetree@...r.kernel.org, srv_heupstream@...iatek.com,
Project_Global_Chrome_Upstream_Group@...iatek.com
Subject: Re: [PATCH 19/22] clk: mediatek: Add MT8195 vppsys1 clock support
Hi,
On Thu, Jun 17, 2021 at 7:00 AM Chun-Jie Chen
<chun-jie.chen@...iatek.com> wrote:
>
> Add MT8195 vppsys1 clock provider
>
> Signed-off-by: Chun-Jie Chen <chun-jie.chen@...iatek.com>
> ---
> drivers/clk/mediatek/Kconfig | 6 ++
> drivers/clk/mediatek/Makefile | 1 +
> drivers/clk/mediatek/clk-mt8195-vpp1.c | 110 +++++++++++++++++++++++++
> 3 files changed, 117 insertions(+)
> create mode 100644 drivers/clk/mediatek/clk-mt8195-vpp1.c
>
> diff --git a/drivers/clk/mediatek/Kconfig b/drivers/clk/mediatek/Kconfig
> index 2deef026fbb4..91b1c19da1ab 100644
> --- a/drivers/clk/mediatek/Kconfig
> +++ b/drivers/clk/mediatek/Kconfig
> @@ -672,6 +672,12 @@ config COMMON_CLK_MT8195_VPPSYS0
> help
> This driver supports MediaTek MT8195 vppsys0 clocks.
>
> +config COMMON_CLK_MT8195_VPPSYS1
> + bool "Clock driver for MediaTek MT8195 vppsys1"
> + depends on COMMON_CLK_MT8195
> + help
> + This driver supports MediaTek MT8195 vppsys1 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 34cd7f2c71ac..fbf57473bb91 100644
> --- a/drivers/clk/mediatek/Makefile
> +++ b/drivers/clk/mediatek/Makefile
> @@ -95,5 +95,6 @@ obj-$(CONFIG_COMMON_CLK_MT8195_VDOSYS0) += clk-mt8195-vdo0.o
> obj-$(CONFIG_COMMON_CLK_MT8195_VDOSYS1) += clk-mt8195-vdo1.o
> obj-$(CONFIG_COMMON_CLK_MT8195_VENCSYS) += clk-mt8195-venc.o
> obj-$(CONFIG_COMMON_CLK_MT8195_VPPSYS0) += clk-mt8195-vpp0.o
> +obj-$(CONFIG_COMMON_CLK_MT8195_VPPSYS1) += clk-mt8195-vpp1.o
> obj-$(CONFIG_COMMON_CLK_MT8516) += clk-mt8516.o
> obj-$(CONFIG_COMMON_CLK_MT8516_AUDSYS) += clk-mt8516-aud.o
> diff --git a/drivers/clk/mediatek/clk-mt8195-vpp1.c b/drivers/clk/mediatek/clk-mt8195-vpp1.c
> new file mode 100644
> index 000000000000..0650ba86d5b6
> --- /dev/null
> +++ b/drivers/clk/mediatek/clk-mt8195-vpp1.c
> @@ -0,0 +1,110 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +//
> +// Copyright (c) 2021 MediaTek Inc.
> +// Author: Chun-Jie Chen <chun-jie.chen@...iatek.com>
> +
> +#include <linux/clk-provider.h>
> +#include <linux/platform_device.h>
> +
> +#include "clk-mtk.h"
> +#include "clk-gate.h"
> +
> +#include <dt-bindings/clock/mt8195-clk.h>
> +
> +static const struct mtk_gate_regs vpp10_cg_regs = {
Again, please add a separator.
> + .set_ofs = 0x104,
> + .clr_ofs = 0x108,
> + .sta_ofs = 0x100,
> +};
> +
> +static const struct mtk_gate_regs vpp11_cg_regs = {
> + .set_ofs = 0x114,
> + .clr_ofs = 0x118,
> + .sta_ofs = 0x110,
> +};
> +
> +#define GATE_VPP10(_id, _name, _parent, _shift) \
> + GATE_MTK(_id, _name, _parent, &vpp10_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
> +
> +#define GATE_VPP11(_id, _name, _parent, _shift) \
> + GATE_MTK(_id, _name, _parent, &vpp11_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
> +
> +static const struct mtk_gate vpp1_clks[] = {
> + /* VPP10 */
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_OVL, "vpp1_svpp1_mdp_ovl", "vpp_sel", 0),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_TCC, "vpp1_svpp1_mdp_tcc", "vpp_sel", 1),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_WROT, "vpp1_svpp1_mdp_wrot", "vpp_sel", 2),
> + GATE_VPP10(CLK_VPP1_SVPP1_VPP_PAD, "vpp1_svpp1_vpp_pad", "vpp_sel", 3),
> + GATE_VPP10(CLK_VPP1_SVPP2_MDP_WROT, "vpp1_svpp2_mdp_wrot", "vpp_sel", 4),
> + GATE_VPP10(CLK_VPP1_SVPP2_VPP_PAD, "vpp1_svpp2_vpp_pad", "vpp_sel", 5),
> + GATE_VPP10(CLK_VPP1_SVPP3_MDP_WROT, "vpp1_svpp3_mdp_wrot", "vpp_sel", 6),
> + GATE_VPP10(CLK_VPP1_SVPP3_VPP_PAD, "vpp1_svpp3_vpp_pad", "vpp_sel", 7),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_RDMA, "vpp1_svpp1_mdp_rdma", "vpp_sel", 8),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_FG, "vpp1_svpp1_mdp_fg", "vpp_sel", 9),
> + GATE_VPP10(CLK_VPP1_SVPP2_MDP_RDMA, "vpp1_svpp2_mdp_rdma", "vpp_sel", 10),
> + GATE_VPP10(CLK_VPP1_SVPP2_MDP_FG, "vpp1_svpp2_mdp_fg", "vpp_sel", 11),
> + GATE_VPP10(CLK_VPP1_SVPP3_MDP_RDMA, "vpp1_svpp3_mdp_rdma", "vpp_sel", 12),
> + GATE_VPP10(CLK_VPP1_SVPP3_MDP_FG, "vpp1_svpp3_mdp_fg", "vpp_sel", 13),
> + GATE_VPP10(CLK_VPP1_VPP_SPLIT, "vpp1_vpp_split", "vpp_sel", 14),
> + GATE_VPP10(CLK_VPP1_SVPP2_VDO0_DL_RELAY, "vpp1_svpp2_vdo0_dl_relay", "vpp_sel", 15),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_TDSHP, "vpp1_svpp1_mdp_tdshp", "vpp_sel", 16),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_COLOR, "vpp1_svpp1_mdp_color", "vpp_sel", 17),
> + GATE_VPP10(CLK_VPP1_SVPP3_VDO1_DL_RELAY, "vpp1_svpp3_vdo1_dl_relay", "vpp_sel", 18),
> + GATE_VPP10(CLK_VPP1_SVPP2_VPP_MERGE, "vpp1_svpp2_vpp_merge", "vpp_sel", 19),
> + GATE_VPP10(CLK_VPP1_SVPP2_MDP_COLOR, "vpp1_svpp2_mdp_color", "vpp_sel", 20),
> + GATE_VPP10(CLK_VPP1_VPPSYS1_GALS, "vpp1_vppsys1_gals", "vpp_sel", 21),
> + GATE_VPP10(CLK_VPP1_SVPP3_VPP_MERGE, "vpp1_svpp3_vpp_merge", "vpp_sel", 22),
> + GATE_VPP10(CLK_VPP1_SVPP3_MDP_COLOR, "vpp1_svpp3_mdp_color", "vpp_sel", 23),
> + GATE_VPP10(CLK_VPP1_VPPSYS1_LARB, "vpp1_vppsys1_larb", "vpp_sel", 24),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_RSZ, "vpp1_svpp1_mdp_rsz", "vpp_sel", 25),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_HDR, "vpp1_svpp1_mdp_hdr", "vpp_sel", 26),
> + GATE_VPP10(CLK_VPP1_SVPP1_MDP_AAL, "vpp1_svpp1_mdp_aal", "vpp_sel", 27),
> + GATE_VPP10(CLK_VPP1_SVPP2_MDP_HDR, "vpp1_svpp2_mdp_hdr", "vpp_sel", 28),
> + GATE_VPP10(CLK_VPP1_SVPP2_MDP_AAL, "vpp1_svpp2_mdp_aal", "vpp_sel", 29),
> + GATE_VPP10(CLK_VPP1_DL_ASYNC, "vpp1_dl_async", "vpp_sel", 30),
> + GATE_VPP10(CLK_VPP1_LARB5_FAKE_ENG, "vpp1_larb5_fake_eng", "vpp_sel", 31),
> + /* VPP11 */
> + GATE_VPP11(CLK_VPP1_SVPP3_MDP_HDR, "vpp1_svpp3_mdp_hdr", "vpp_sel", 0),
> + GATE_VPP11(CLK_VPP1_SVPP3_MDP_AAL, "vpp1_svpp3_mdp_aal", "vpp_sel", 1),
> + GATE_VPP11(CLK_VPP1_SVPP2_VDO1_DL_RELAY, "vpp1_svpp2_vdo1_dl_relay", "vpp_sel", 2),
> + GATE_VPP11(CLK_VPP1_LARB6_FAKE_ENG, "vpp1_larb6_fake_eng", "vpp_sel", 3),
> + GATE_VPP11(CLK_VPP1_SVPP2_MDP_RSZ, "vpp1_svpp2_mdp_rsz", "vpp_sel", 4),
> + GATE_VPP11(CLK_VPP1_SVPP3_MDP_RSZ, "vpp1_svpp3_mdp_rsz", "vpp_sel", 5),
> + GATE_VPP11(CLK_VPP1_SVPP3_VDO0_DL_RELAY, "vpp1_svpp3_vdo0_dl_relay", "vpp_sel", 6),
> + GATE_VPP11(CLK_VPP1_DISP_MUTEX, "vpp1_disp_mutex", "vpp_sel", 7),
> + GATE_VPP11(CLK_VPP1_SVPP2_MDP_TDSHP, "vpp1_svpp2_mdp_tdshp", "vpp_sel", 8),
> + GATE_VPP11(CLK_VPP1_SVPP3_MDP_TDSHP, "vpp1_svpp3_mdp_tdshp", "vpp_sel", 9),
> + GATE_VPP11(CLK_VPP1_VPP0_DL1_RELAY, "vpp1_vpp0_dl1_relay", "vpp_sel", 10),
> + GATE_VPP11(CLK_VPP1_HDMI_META, "vpp1_hdmi_meta", "hdmirx_p", 11),
> + GATE_VPP11(CLK_VPP1_VPP_SPLIT_HDMI, "vpp1_vpp_split_hdmi", "hdmirx_p", 12),
> + GATE_VPP11(CLK_VPP1_DGI_IN, "vpp1_dgi_in", "in_dgi", 13),
> + GATE_VPP11(CLK_VPP1_DGI_OUT, "vpp1_dgi_out", "dgi_out_sel", 14),
> + GATE_VPP11(CLK_VPP1_VPP_SPLIT_DGI, "vpp1_vpp_split_dgi", "dgi_out_sel", 15),
> + GATE_VPP11(CLK_VPP1_VPP0_DL_ASYNC, "vpp1_vpp0_dl_async", "vpp_sel", 16),
> + GATE_VPP11(CLK_VPP1_VPP0_DL_RELAY, "vpp1_vpp0_dl_relay", "vpp_sel", 17),
> + GATE_VPP11(CLK_VPP1_VPP_SPLIT_26M, "vpp1_vpp_split_26m", "clk26m", 26),
The last two aren't in the datasheet.
Same general comments apply.
ChenYu
> +};
> +
> +static const struct mtk_clk_desc vpp1_desc = {
> + .clks = vpp1_clks,
> + .num_clks = ARRAY_SIZE(vpp1_clks),
> +};
> +
> +static const struct of_device_id of_match_clk_mt8195_vpp1[] = {
> + {
> + .compatible = "mediatek,mt8195-vppsys1",
> + .data = &vpp1_desc,
> + }, {
> + /* sentinel */
> + }
> +};
> +
> +static struct platform_driver clk_mt8195_vpp1_drv = {
> + .probe = mtk_clk_simple_probe,
> + .driver = {
> + .name = "clk-mt8195-vpp1",
> + .of_match_table = of_match_clk_mt8195_vpp1,
> + },
> +};
> +
> +builtin_platform_driver(clk_mt8195_vpp1_drv);
> --
> 2.18.0
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