add dts config

hc

2023-12-06 08f87f769b595151be1afeff53e144f543faa614

 kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
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@@ -1,18 +1,24 @@
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 // SPDX-License-Identifier: GPL-2.0+
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 /* Copyright (c) 2018 Jernej Skrabec <jernej.skrabec@siol.net> */
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-#include <drm/drmP.h>
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-
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-#include <dt-bindings/clock/sun8i-tcon-top.h>
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 #include <linux/bitfield.h>
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 #include <linux/component.h>
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 #include <linux/device.h>
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+#include <linux/io.h>
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 #include <linux/module.h>
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+#include <linux/of_device.h>
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 #include <linux/of_graph.h>
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 #include <linux/platform_device.h>
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+#include <dt-bindings/clock/sun8i-tcon-top.h>
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+
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 #include "sun8i_tcon_top.h"
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+
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+struct sun8i_tcon_top_quirks {
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+	bool has_tcon_tv1;
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+	bool has_dsi;
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+};
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 static bool sun8i_tcon_top_node_is_tcon_top(struct device_node *node)
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 {
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@@ -121,16 +127,18 @@
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 	struct platform_device *pdev = to_platform_device(dev);
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 	struct clk_hw_onecell_data *clk_data;
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 	struct sun8i_tcon_top *tcon_top;
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+	const struct sun8i_tcon_top_quirks *quirks;
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 	struct resource *res;
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 	void __iomem *regs;
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 	int ret, i;
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+
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+	quirks = of_device_get_match_data(&pdev->dev);
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 	tcon_top = devm_kzalloc(dev, sizeof(*tcon_top), GFP_KERNEL);
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 	if (!tcon_top)
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 		return -ENOMEM;
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-	clk_data = devm_kzalloc(dev, sizeof(*clk_data) +
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-				sizeof(*clk_data->hws) * CLK_NUM,
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+	clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, CLK_NUM),
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 				GFP_KERNEL);
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 	if (!clk_data)
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 		return -ENOMEM;
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@@ -188,15 +196,17 @@
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 					     &tcon_top->reg_lock,
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 					     TCON_TOP_TCON_TV0_GATE, 0);
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-	clk_data->hws[CLK_TCON_TOP_TV1] =
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-		sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs,
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-					     &tcon_top->reg_lock,
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-					     TCON_TOP_TCON_TV1_GATE, 1);
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+	if (quirks->has_tcon_tv1)
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+		clk_data->hws[CLK_TCON_TOP_TV1] =
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+			sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs,
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+						     &tcon_top->reg_lock,
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+						     TCON_TOP_TCON_TV1_GATE, 1);
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-	clk_data->hws[CLK_TCON_TOP_DSI] =
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-		sun8i_tcon_top_register_gate(dev, "dsi", regs,
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-					     &tcon_top->reg_lock,
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-					     TCON_TOP_TCON_DSI_GATE, 2);
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+	if (quirks->has_dsi)
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+		clk_data->hws[CLK_TCON_TOP_DSI] =
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+			sun8i_tcon_top_register_gate(dev, "dsi", regs,
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+						     &tcon_top->reg_lock,
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+						     TCON_TOP_TCON_DSI_GATE, 2);
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 	for (i = 0; i < CLK_NUM; i++)
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 		if (IS_ERR(clk_data->hws[i])) {
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@@ -259,8 +269,25 @@
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 	return 0;
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 }
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+static const struct sun8i_tcon_top_quirks sun8i_r40_tcon_top_quirks = {
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+	.has_tcon_tv1	= true,
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+	.has_dsi	= true,
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+};
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+
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+static const struct sun8i_tcon_top_quirks sun50i_h6_tcon_top_quirks = {
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+	/* Nothing special */
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+};
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+
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 /* sun4i_drv uses this list to check if a device node is a TCON TOP */
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 const struct of_device_id sun8i_tcon_top_of_table[] = {
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+	{
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+		.compatible = "allwinner,sun8i-r40-tcon-top",
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+		.data = &sun8i_r40_tcon_top_quirks
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+	},
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+	{
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+		.compatible = "allwinner,sun50i-h6-tcon-top",
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+		.data = &sun50i_h6_tcon_top_quirks
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+	},
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 	{ /* sentinel */ }
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 };
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 MODULE_DEVICE_TABLE(of, sun8i_tcon_top_of_table);