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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /drivers/clk/mediatek/clk-mt6779-cam.c
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-mt6779-cam.c')
-rw-r--r--drivers/clk/mediatek/clk-mt6779-cam.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/drivers/clk/mediatek/clk-mt6779-cam.c b/drivers/clk/mediatek/clk-mt6779-cam.c
new file mode 100644
index 000000000..244d4208b
--- /dev/null
+++ b/drivers/clk/mediatek/clk-mt6779-cam.c
@@ -0,0 +1,66 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2019 MediaTek Inc.
+ * Author: Wendell Lin <wendell.lin@mediatek.com>
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/platform_device.h>
+#include <dt-bindings/clock/mt6779-clk.h>
+
+#include "clk-mtk.h"
+#include "clk-gate.h"
+
+static const struct mtk_gate_regs cam_cg_regs = {
+ .set_ofs = 0x0004,
+ .clr_ofs = 0x0008,
+ .sta_ofs = 0x0000,
+};
+
+#define GATE_CAM(_id, _name, _parent, _shift) \
+ GATE_MTK(_id, _name, _parent, &cam_cg_regs, _shift, \
+ &mtk_clk_gate_ops_setclr)
+
+static const struct mtk_gate cam_clks[] = {
+ GATE_CAM(CLK_CAM_LARB10, "camsys_larb10", "cam_sel", 0),
+ GATE_CAM(CLK_CAM_DFP_VAD, "camsys_dfp_vad", "cam_sel", 1),
+ GATE_CAM(CLK_CAM_LARB11, "camsys_larb11", "cam_sel", 2),
+ GATE_CAM(CLK_CAM_LARB9, "camsys_larb9", "cam_sel", 3),
+ GATE_CAM(CLK_CAM_CAM, "camsys_cam", "cam_sel", 6),
+ GATE_CAM(CLK_CAM_CAMTG, "camsys_camtg", "cam_sel", 7),
+ GATE_CAM(CLK_CAM_SENINF, "camsys_seninf", "cam_sel", 8),
+ GATE_CAM(CLK_CAM_CAMSV0, "camsys_camsv0", "cam_sel", 9),
+ GATE_CAM(CLK_CAM_CAMSV1, "camsys_camsv1", "cam_sel", 10),
+ GATE_CAM(CLK_CAM_CAMSV2, "camsys_camsv2", "cam_sel", 11),
+ GATE_CAM(CLK_CAM_CAMSV3, "camsys_camsv3", "cam_sel", 12),
+ GATE_CAM(CLK_CAM_CCU, "camsys_ccu", "cam_sel", 13),
+ GATE_CAM(CLK_CAM_FAKE_ENG, "camsys_fake_eng", "cam_sel", 14),
+};
+
+static const struct of_device_id of_match_clk_mt6779_cam[] = {
+ { .compatible = "mediatek,mt6779-camsys", },
+ {}
+};
+
+static int clk_mt6779_cam_probe(struct platform_device *pdev)
+{
+ struct clk_onecell_data *clk_data;
+ struct device_node *node = pdev->dev.of_node;
+
+ clk_data = mtk_alloc_clk_data(CLK_CAM_NR_CLK);
+
+ mtk_clk_register_gates(node, cam_clks, ARRAY_SIZE(cam_clks),
+ clk_data);
+
+ return of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
+}
+
+static struct platform_driver clk_mt6779_cam_drv = {
+ .probe = clk_mt6779_cam_probe,
+ .driver = {
+ .name = "clk-mt6779-cam",
+ .of_match_table = of_match_clk_mt6779_cam,
+ },
+};
+
+builtin_platform_driver(clk_mt6779_cam_drv);