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authorChun-Jie Chen <chun-jie.chen@mediatek.com>2021-09-14 05:16:21 +0300
committerStephen Boyd <sboyd@kernel.org>2021-09-15 01:05:38 +0300
commit9c4fec14aee7a85b465d8b22870ed5ead8bf81fc (patch)
treee03738a9db5cd92abc412fcaf9c459b9480dd119 /drivers/clk/mediatek/clk-mt8195-img.c
parent7b2e1de8aec7fb282453e7a59b09f344ac4d4e22 (diff)
downloadlinux-9c4fec14aee7a85b465d8b22870ed5ead8bf81fc.tar.xz
clk: mediatek: Add MT8195 imgsys clock support
Add MT8195 imgsys clock controllers which provide clock gate control for image IP blocks. Signed-off-by: Chun-Jie Chen <chun-jie.chen@mediatek.com> Reviewed-by: Chen-Yu Tsai <wenst@chromium.org> Link: https://lore.kernel.org/r/20210914021633.26377-13-chun-jie.chen@mediatek.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt8195-img.c')
-rw-r--r--drivers/clk/mediatek/clk-mt8195-img.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt8195-img.c b/drivers/clk/mediatek/clk-mt8195-img.c
new file mode 100644
index 000000000000..22b52a8f15fe
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt8195-img.c
@@ -0,0 +1,96 @@
+// SPDX-License-Identifier: GPL-2.0-only
+//
+// Copyright (c) 2021 MediaTek Inc.
+// Author: Chun-Jie Chen <chun-jie.chen@mediatek.com>
+
+#include "clk-gate.h"
+#include "clk-mtk.h"
+
+#include <dt-bindings/clock/mt8195-clk.h>
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+
+static const struct mtk_gate_regs img_cg_regs = {
+ .set_ofs = 0x4,
+ .clr_ofs = 0x8,
+ .sta_ofs = 0x0,
+};
+
+#define GATE_IMG(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &img_cg_regs, _shift, &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate img_clks[] = {
+ GATE_IMG(CLK_IMG_LARB9, "img_larb9", "top_img", 0),
+ GATE_IMG(CLK_IMG_TRAW0, "img_traw0", "top_img", 1),
+ GATE_IMG(CLK_IMG_TRAW1, "img_traw1", "top_img", 2),
+ GATE_IMG(CLK_IMG_TRAW2, "img_traw2", "top_img", 3),
+ GATE_IMG(CLK_IMG_TRAW3, "img_traw3", "top_img", 4),
+ GATE_IMG(CLK_IMG_DIP0, "img_dip0", "top_img", 8),
+ GATE_IMG(CLK_IMG_WPE0, "img_wpe0", "top_img", 9),
+ GATE_IMG(CLK_IMG_IPE, "img_ipe", "top_img", 10),
+ GATE_IMG(CLK_IMG_DIP1, "img_dip1", "top_img", 11),
+ GATE_IMG(CLK_IMG_WPE1, "img_wpe1", "top_img", 12),
+ GATE_IMG(CLK_IMG_GALS, "img_gals", "top_img", 31),
+};
+
+static const struct mtk_gate img1_dip_top_clks[] = {
+ GATE_IMG(CLK_IMG1_DIP_TOP_LARB10, "img1_dip_top_larb10", "top_img", 0),
+ GATE_IMG(CLK_IMG1_DIP_TOP_DIP_TOP, "img1_dip_top_dip_top", "top_img", 1),
+};
+
+static const struct mtk_gate img1_dip_nr_clks[] = {
+ GATE_IMG(CLK_IMG1_DIP_NR_RESERVE, "img1_dip_nr_reserve", "top_img", 0),
+ GATE_IMG(CLK_IMG1_DIP_NR_DIP_NR, "img1_dip_nr_dip_nr", "top_img", 1),
+};
+
+static const struct mtk_gate img1_wpe_clks[] = {
+ GATE_IMG(CLK_IMG1_WPE_LARB11, "img1_wpe_larb11", "top_img", 0),
+ GATE_IMG(CLK_IMG1_WPE_WPE, "img1_wpe_wpe", "top_img", 1),
+};
+
+static const struct mtk_clk_desc img_desc = {
+ .clks = img_clks,
+ .num_clks = ARRAY_SIZE(img_clks),
+};
+
+static const struct mtk_clk_desc img1_dip_top_desc = {
+ .clks = img1_dip_top_clks,
+ .num_clks = ARRAY_SIZE(img1_dip_top_clks),
+};
+
+static const struct mtk_clk_desc img1_dip_nr_desc = {
+ .clks = img1_dip_nr_clks,
+ .num_clks = ARRAY_SIZE(img1_dip_nr_clks),
+};
+
+static const struct mtk_clk_desc img1_wpe_desc = {
+ .clks = img1_wpe_clks,
+ .num_clks = ARRAY_SIZE(img1_wpe_clks),
+};
+
+static const struct of_device_id of_match_clk_mt8195_img[] = {
+ {
+ .compatible = "mediatek,mt8195-imgsys",
+ .data = &img_desc,
+ }, {
+ .compatible = "mediatek,mt8195-imgsys1_dip_top",
+ .data = &img1_dip_top_desc,
+ }, {
+ .compatible = "mediatek,mt8195-imgsys1_dip_nr",
+ .data = &img1_dip_nr_desc,
+ }, {
+ .compatible = "mediatek,mt8195-imgsys1_wpe",
+ .data = &img1_wpe_desc,
+ }, {
+ /* sentinel */
+ }
+};
+
+static struct platform_driver clk_mt8195_img_drv = {
+ .probe = mtk_clk_simple_probe,
+ .driver = {
+ .name = "clk-mt8195-img",
+ .of_match_table = of_match_clk_mt8195_img,
+ },
+};
+builtin_platform_driver(clk_mt8195_img_drv);