From: Matthias Brugger <mbrug...@suse.com>

There is no strong reason for this to use CLK_OF_DECLARE instead of
being a platform driver. Plus, this driver provides clocks but also
a shared register space for the mediatek-drm and the mediatek-mdp
driver. So move to drivers/soc/mediatek as a platform driver.

Signed-off-by: Matthias Brugger <mbrug...@suse.com>
Signed-off-by: Enric Balletbo i Serra <enric.balle...@collabora.com>
Reviewed-by: CK Hu <ck...@mediatek.com>
---

Changes in v11: None
Changes in v10:
- Renamed to be generic mtk-mmsys
- Add driver data support to be able to support diferent SoCs

Changes in v9:
- Move mmsys to drivers/soc/mediatek (CK)

Changes in v8:
- Be a builtin_platform_driver like other mediatek mmsys drivers.

Changes in v7:
- Free clk_data->clks as well
- Get rid of private data structure

 drivers/clk/mediatek/clk-mt8173.c | 104 --------------------
 drivers/soc/mediatek/Kconfig      |   7 ++
 drivers/soc/mediatek/Makefile     |   1 +
 drivers/soc/mediatek/mtk-mmsys.c  | 154 ++++++++++++++++++++++++++++++
 4 files changed, 162 insertions(+), 104 deletions(-)
 create mode 100644 drivers/soc/mediatek/mtk-mmsys.c

diff --git a/drivers/clk/mediatek/clk-mt8173.c 
b/drivers/clk/mediatek/clk-mt8173.c
index 537a7f49b0f7..8f898ac476c0 100644
--- a/drivers/clk/mediatek/clk-mt8173.c
+++ b/drivers/clk/mediatek/clk-mt8173.c
@@ -753,93 +753,6 @@ static const struct mtk_gate img_clks[] __initconst = {
        GATE_IMG(CLK_IMG_FD, "img_fd", "mm_sel", 11),
 };
 
-static const struct mtk_gate_regs mm0_cg_regs __initconst = {
-       .set_ofs = 0x0104,
-       .clr_ofs = 0x0108,
-       .sta_ofs = 0x0100,
-};
-
-static const struct mtk_gate_regs mm1_cg_regs __initconst = {
-       .set_ofs = 0x0114,
-       .clr_ofs = 0x0118,
-       .sta_ofs = 0x0110,
-};
-
-#define GATE_MM0(_id, _name, _parent, _shift) {                        \
-               .id = _id,                                      \
-               .name = _name,                                  \
-               .parent_name = _parent,                         \
-               .regs = &mm0_cg_regs,                           \
-               .shift = _shift,                                \
-               .ops = &mtk_clk_gate_ops_setclr,                \
-       }
-
-#define GATE_MM1(_id, _name, _parent, _shift) {                        \
-               .id = _id,                                      \
-               .name = _name,                                  \
-               .parent_name = _parent,                         \
-               .regs = &mm1_cg_regs,                           \
-               .shift = _shift,                                \
-               .ops = &mtk_clk_gate_ops_setclr,                \
-       }
-
-static const struct mtk_gate mm_clks[] __initconst = {
-       /* MM0 */
-       GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
-       GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
-       GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 2),
-       GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3),
-       GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4),
-       GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5),
-       GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6),
-       GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7),
-       GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8),
-       GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9),
-       GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
-       GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12),
-       GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13),
-       GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14),
-       GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "rtc_sel", 15),
-       GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16),
-       GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17),
-       GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18),
-       GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
-       GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20),
-       GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21),
-       GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22),
-       GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23),
-       GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24),
-       GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25),
-       GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26),
-       GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27),
-       GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28),
-       GATE_MM0(CLK_MM_DISP_SPLIT1, "mm_disp_split1", "mm_sel", 29),
-       GATE_MM0(CLK_MM_DISP_MERGE, "mm_disp_merge", "mm_sel", 30),
-       GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31),
-       /* MM1 */
-       GATE_MM1(CLK_MM_DISP_PWM0MM, "mm_disp_pwm0mm", "mm_sel", 0),
-       GATE_MM1(CLK_MM_DISP_PWM026M, "mm_disp_pwm026m", "pwm_sel", 1),
-       GATE_MM1(CLK_MM_DISP_PWM1MM, "mm_disp_pwm1mm", "mm_sel", 2),
-       GATE_MM1(CLK_MM_DISP_PWM126M, "mm_disp_pwm126m", "pwm_sel", 3),
-       GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4),
-       GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_dig", 5),
-       GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6),
-       GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_dig", 7),
-       GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "dpi0_sel", 8),
-       GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9),
-       GATE_MM1(CLK_MM_DPI1_PIXEL, "mm_dpi1_pixel", "lvds_pxl", 10),
-       GATE_MM1(CLK_MM_DPI1_ENGINE, "mm_dpi1_engine", "mm_sel", 11),
-       GATE_MM1(CLK_MM_HDMI_PIXEL, "mm_hdmi_pixel", "dpi0_sel", 12),
-       GATE_MM1(CLK_MM_HDMI_PLLCK, "mm_hdmi_pllck", "hdmi_sel", 13),
-       GATE_MM1(CLK_MM_HDMI_AUDIO, "mm_hdmi_audio", "apll1", 14),
-       GATE_MM1(CLK_MM_HDMI_SPDIF, "mm_hdmi_spdif", "apll2", 15),
-       GATE_MM1(CLK_MM_LVDS_PIXEL, "mm_lvds_pixel", "lvds_pxl", 16),
-       GATE_MM1(CLK_MM_LVDS_CTS, "mm_lvds_cts", "lvds_cts", 17),
-       GATE_MM1(CLK_MM_SMI_LARB4, "mm_smi_larb4", "mm_sel", 18),
-       GATE_MM1(CLK_MM_HDMI_HDCP, "mm_hdmi_hdcp", "hdcp_sel", 19),
-       GATE_MM1(CLK_MM_HDMI_HDCP24M, "mm_hdmi_hdcp24m", "hdcp_24m_sel", 20),
-};
-
 static const struct mtk_gate_regs vdec0_cg_regs __initconst = {
        .set_ofs = 0x0000,
        .clr_ofs = 0x0004,
@@ -1144,23 +1057,6 @@ static void __init mtk_imgsys_init(struct device_node 
*node)
 }
 CLK_OF_DECLARE(mtk_imgsys, "mediatek,mt8173-imgsys", mtk_imgsys_init);
 
-static void __init mtk_mmsys_init(struct device_node *node)
-{
-       struct clk_onecell_data *clk_data;
-       int r;
-
-       clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
-
-       mtk_clk_register_gates(node, mm_clks, ARRAY_SIZE(mm_clks),
-                                               clk_data);
-
-       r = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
-       if (r)
-               pr_err("%s(): could not register clock provider: %d\n",
-                       __func__, r);
-}
-CLK_OF_DECLARE(mtk_mmsys, "mediatek,mt8173-mmsys", mtk_mmsys_init);
-
 static void __init mtk_vdecsys_init(struct device_node *node)
 {
        struct clk_onecell_data *clk_data;
diff --git a/drivers/soc/mediatek/Kconfig b/drivers/soc/mediatek/Kconfig
index 2114b563478c..7a156944d50e 100644
--- a/drivers/soc/mediatek/Kconfig
+++ b/drivers/soc/mediatek/Kconfig
@@ -44,4 +44,11 @@ config MTK_SCPSYS
          Say yes here to add support for the MediaTek SCPSYS power domain
          driver.
 
+config MTK_MMSYS
+       bool "MediaTek MMSYS Support"
+       depends on COMMON_CLK_MT8173
+       help
+         Say yes here to add support for the MediaTek Multimedia
+         Subsystem (MMSYS).
+
 endmenu
diff --git a/drivers/soc/mediatek/Makefile b/drivers/soc/mediatek/Makefile
index b01733074ad6..01f9f873634a 100644
--- a/drivers/soc/mediatek/Makefile
+++ b/drivers/soc/mediatek/Makefile
@@ -3,3 +3,4 @@ obj-$(CONFIG_MTK_CMDQ) += mtk-cmdq-helper.o
 obj-$(CONFIG_MTK_INFRACFG) += mtk-infracfg.o
 obj-$(CONFIG_MTK_PMIC_WRAP) += mtk-pmic-wrap.o
 obj-$(CONFIG_MTK_SCPSYS) += mtk-scpsys.o
+obj-$(CONFIG_MTK_MMSYS) += mtk-mmsys.o
diff --git a/drivers/soc/mediatek/mtk-mmsys.c b/drivers/soc/mediatek/mtk-mmsys.c
new file mode 100644
index 000000000000..473cdf732fb5
--- /dev/null
+++ b/drivers/soc/mediatek/mtk-mmsys.c
@@ -0,0 +1,154 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2014 MediaTek Inc.
+ * Author: James Liao <jamesjj.l...@mediatek.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+
+#include "../../clk/mediatek/clk-gate.h"
+#include "../../clk/mediatek/clk-mtk.h"
+
+#include <dt-bindings/clock/mt8173-clk.h>
+
+static const struct mtk_gate_regs mm0_cg_regs = {
+       .set_ofs = 0x0104,
+       .clr_ofs = 0x0108,
+       .sta_ofs = 0x0100,
+};
+
+static const struct mtk_gate_regs mm1_cg_regs = {
+       .set_ofs = 0x0114,
+       .clr_ofs = 0x0118,
+       .sta_ofs = 0x0110,
+};
+
+#define GATE_MM0(_id, _name, _parent, _shift) {                        \
+               .id = _id,                                      \
+               .name = _name,                                  \
+               .parent_name = _parent,                         \
+               .regs = &mm0_cg_regs,                           \
+               .shift = _shift,                                \
+               .ops = &mtk_clk_gate_ops_setclr,                \
+       }
+
+#define GATE_MM1(_id, _name, _parent, _shift) {                        \
+               .id = _id,                                      \
+               .name = _name,                                  \
+               .parent_name = _parent,                         \
+               .regs = &mm1_cg_regs,                           \
+               .shift = _shift,                                \
+               .ops = &mtk_clk_gate_ops_setclr,                \
+       }
+
+static const struct mtk_gate mt8173_mm_clks[] = {
+       /* MM0 */
+       GATE_MM0(CLK_MM_SMI_COMMON, "mm_smi_common", "mm_sel", 0),
+       GATE_MM0(CLK_MM_SMI_LARB0, "mm_smi_larb0", "mm_sel", 1),
+       GATE_MM0(CLK_MM_CAM_MDP, "mm_cam_mdp", "mm_sel", 2),
+       GATE_MM0(CLK_MM_MDP_RDMA0, "mm_mdp_rdma0", "mm_sel", 3),
+       GATE_MM0(CLK_MM_MDP_RDMA1, "mm_mdp_rdma1", "mm_sel", 4),
+       GATE_MM0(CLK_MM_MDP_RSZ0, "mm_mdp_rsz0", "mm_sel", 5),
+       GATE_MM0(CLK_MM_MDP_RSZ1, "mm_mdp_rsz1", "mm_sel", 6),
+       GATE_MM0(CLK_MM_MDP_RSZ2, "mm_mdp_rsz2", "mm_sel", 7),
+       GATE_MM0(CLK_MM_MDP_TDSHP0, "mm_mdp_tdshp0", "mm_sel", 8),
+       GATE_MM0(CLK_MM_MDP_TDSHP1, "mm_mdp_tdshp1", "mm_sel", 9),
+       GATE_MM0(CLK_MM_MDP_WDMA, "mm_mdp_wdma", "mm_sel", 11),
+       GATE_MM0(CLK_MM_MDP_WROT0, "mm_mdp_wrot0", "mm_sel", 12),
+       GATE_MM0(CLK_MM_MDP_WROT1, "mm_mdp_wrot1", "mm_sel", 13),
+       GATE_MM0(CLK_MM_FAKE_ENG, "mm_fake_eng", "mm_sel", 14),
+       GATE_MM0(CLK_MM_MUTEX_32K, "mm_mutex_32k", "rtc_sel", 15),
+       GATE_MM0(CLK_MM_DISP_OVL0, "mm_disp_ovl0", "mm_sel", 16),
+       GATE_MM0(CLK_MM_DISP_OVL1, "mm_disp_ovl1", "mm_sel", 17),
+       GATE_MM0(CLK_MM_DISP_RDMA0, "mm_disp_rdma0", "mm_sel", 18),
+       GATE_MM0(CLK_MM_DISP_RDMA1, "mm_disp_rdma1", "mm_sel", 19),
+       GATE_MM0(CLK_MM_DISP_RDMA2, "mm_disp_rdma2", "mm_sel", 20),
+       GATE_MM0(CLK_MM_DISP_WDMA0, "mm_disp_wdma0", "mm_sel", 21),
+       GATE_MM0(CLK_MM_DISP_WDMA1, "mm_disp_wdma1", "mm_sel", 22),
+       GATE_MM0(CLK_MM_DISP_COLOR0, "mm_disp_color0", "mm_sel", 23),
+       GATE_MM0(CLK_MM_DISP_COLOR1, "mm_disp_color1", "mm_sel", 24),
+       GATE_MM0(CLK_MM_DISP_AAL, "mm_disp_aal", "mm_sel", 25),
+       GATE_MM0(CLK_MM_DISP_GAMMA, "mm_disp_gamma", "mm_sel", 26),
+       GATE_MM0(CLK_MM_DISP_UFOE, "mm_disp_ufoe", "mm_sel", 27),
+       GATE_MM0(CLK_MM_DISP_SPLIT0, "mm_disp_split0", "mm_sel", 28),
+       GATE_MM0(CLK_MM_DISP_SPLIT1, "mm_disp_split1", "mm_sel", 29),
+       GATE_MM0(CLK_MM_DISP_MERGE, "mm_disp_merge", "mm_sel", 30),
+       GATE_MM0(CLK_MM_DISP_OD, "mm_disp_od", "mm_sel", 31),
+       /* MM1 */
+       GATE_MM1(CLK_MM_DISP_PWM0MM, "mm_disp_pwm0mm", "mm_sel", 0),
+       GATE_MM1(CLK_MM_DISP_PWM026M, "mm_disp_pwm026m", "pwm_sel", 1),
+       GATE_MM1(CLK_MM_DISP_PWM1MM, "mm_disp_pwm1mm", "mm_sel", 2),
+       GATE_MM1(CLK_MM_DISP_PWM126M, "mm_disp_pwm126m", "pwm_sel", 3),
+       GATE_MM1(CLK_MM_DSI0_ENGINE, "mm_dsi0_engine", "mm_sel", 4),
+       GATE_MM1(CLK_MM_DSI0_DIGITAL, "mm_dsi0_digital", "dsi0_dig", 5),
+       GATE_MM1(CLK_MM_DSI1_ENGINE, "mm_dsi1_engine", "mm_sel", 6),
+       GATE_MM1(CLK_MM_DSI1_DIGITAL, "mm_dsi1_digital", "dsi1_dig", 7),
+       GATE_MM1(CLK_MM_DPI_PIXEL, "mm_dpi_pixel", "dpi0_sel", 8),
+       GATE_MM1(CLK_MM_DPI_ENGINE, "mm_dpi_engine", "mm_sel", 9),
+       GATE_MM1(CLK_MM_DPI1_PIXEL, "mm_dpi1_pixel", "lvds_pxl", 10),
+       GATE_MM1(CLK_MM_DPI1_ENGINE, "mm_dpi1_engine", "mm_sel", 11),
+       GATE_MM1(CLK_MM_HDMI_PIXEL, "mm_hdmi_pixel", "dpi0_sel", 12),
+       GATE_MM1(CLK_MM_HDMI_PLLCK, "mm_hdmi_pllck", "hdmi_sel", 13),
+       GATE_MM1(CLK_MM_HDMI_AUDIO, "mm_hdmi_audio", "apll1", 14),
+       GATE_MM1(CLK_MM_HDMI_SPDIF, "mm_hdmi_spdif", "apll2", 15),
+       GATE_MM1(CLK_MM_LVDS_PIXEL, "mm_lvds_pixel", "lvds_pxl", 16),
+       GATE_MM1(CLK_MM_LVDS_CTS, "mm_lvds_cts", "lvds_cts", 17),
+       GATE_MM1(CLK_MM_SMI_LARB4, "mm_smi_larb4", "mm_sel", 18),
+       GATE_MM1(CLK_MM_HDMI_HDCP, "mm_hdmi_hdcp", "hdcp_sel", 19),
+       GATE_MM1(CLK_MM_HDMI_HDCP24M, "mm_hdmi_hdcp24m", "hdcp_24m_sel", 20),
+};
+
+struct mtk_mmsys_driver_data {
+       const struct mtk_gate *gates_clk;
+       int gates_num;
+};
+
+static const struct mtk_mmsys_driver_data mt8173_mmsys_driver_data = {
+       .gates_clk = mt8173_mm_clks,
+       .gates_num = ARRAY_SIZE(mt8173_mm_clks),
+};
+
+static int mtk_mmsys_probe(struct platform_device *pdev)
+{
+       struct device_node *node = pdev->dev.of_node;
+       const struct mtk_mmsys_driver_data *data;
+       struct clk_onecell_data *clk_data;
+       int ret;
+
+       clk_data = mtk_alloc_clk_data(CLK_MM_NR_CLK);
+       if (!clk_data)
+               return -ENOMEM;
+
+       data = of_device_get_match_data(&pdev->dev);
+
+       ret = mtk_clk_register_gates(node, data->gates_clk, data->gates_num,
+                                    clk_data);
+       if (ret)
+               return ret;
+
+       ret = of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+       if (ret)
+               return ret;
+
+       return 0;
+}
+
+static const struct of_device_id of_match_mtk_mmsys[] = {
+       {
+               .compatible = "mediatek,mt8173-mmsys",
+               .data = &mt8173_mmsys_driver_data,
+       },
+       { }
+};
+
+static struct platform_driver mtk_mmsys_drv = {
+       .driver = {
+               .name = "mtk-mmsys",
+               .of_match_table = of_match_mtk_mmsys,
+       },
+       .probe = mtk_mmsys_probe,
+};
+
+builtin_platform_driver(mtk_mmsys_drv);
-- 
2.25.1

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