From 08f87f769b595151be1afeff53e144f543faa614 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 06 Dec 2023 09:51:13 +0000
Subject: [PATCH] add dts config
---
kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.c | 53 ++++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 40 insertions(+), 13 deletions(-)
diff --git a/kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.c b/kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
index dfbcd1a..75d8e60 100644
--- a/kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
+++ b/kernel/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
@@ -1,18 +1,24 @@
// SPDX-License-Identifier: GPL-2.0+
/* Copyright (c) 2018 Jernej Skrabec <jernej.skrabec@siol.net> */
-#include <drm/drmP.h>
-
-#include <dt-bindings/clock/sun8i-tcon-top.h>
#include <linux/bitfield.h>
#include <linux/component.h>
#include <linux/device.h>
+#include <linux/io.h>
#include <linux/module.h>
+#include <linux/of_device.h>
#include <linux/of_graph.h>
#include <linux/platform_device.h>
+#include <dt-bindings/clock/sun8i-tcon-top.h>
+
#include "sun8i_tcon_top.h"
+
+struct sun8i_tcon_top_quirks {
+ bool has_tcon_tv1;
+ bool has_dsi;
+};
static bool sun8i_tcon_top_node_is_tcon_top(struct device_node *node)
{
@@ -121,16 +127,18 @@
struct platform_device *pdev = to_platform_device(dev);
struct clk_hw_onecell_data *clk_data;
struct sun8i_tcon_top *tcon_top;
+ const struct sun8i_tcon_top_quirks *quirks;
struct resource *res;
void __iomem *regs;
int ret, i;
+
+ quirks = of_device_get_match_data(&pdev->dev);
tcon_top = devm_kzalloc(dev, sizeof(*tcon_top), GFP_KERNEL);
if (!tcon_top)
return -ENOMEM;
- clk_data = devm_kzalloc(dev, sizeof(*clk_data) +
- sizeof(*clk_data->hws) * CLK_NUM,
+ clk_data = devm_kzalloc(dev, struct_size(clk_data, hws, CLK_NUM),
GFP_KERNEL);
if (!clk_data)
return -ENOMEM;
@@ -188,15 +196,17 @@
&tcon_top->reg_lock,
TCON_TOP_TCON_TV0_GATE, 0);
- clk_data->hws[CLK_TCON_TOP_TV1] =
- sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs,
- &tcon_top->reg_lock,
- TCON_TOP_TCON_TV1_GATE, 1);
+ if (quirks->has_tcon_tv1)
+ clk_data->hws[CLK_TCON_TOP_TV1] =
+ sun8i_tcon_top_register_gate(dev, "tcon-tv1", regs,
+ &tcon_top->reg_lock,
+ TCON_TOP_TCON_TV1_GATE, 1);
- clk_data->hws[CLK_TCON_TOP_DSI] =
- sun8i_tcon_top_register_gate(dev, "dsi", regs,
- &tcon_top->reg_lock,
- TCON_TOP_TCON_DSI_GATE, 2);
+ if (quirks->has_dsi)
+ clk_data->hws[CLK_TCON_TOP_DSI] =
+ sun8i_tcon_top_register_gate(dev, "dsi", regs,
+ &tcon_top->reg_lock,
+ TCON_TOP_TCON_DSI_GATE, 2);
for (i = 0; i < CLK_NUM; i++)
if (IS_ERR(clk_data->hws[i])) {
@@ -259,8 +269,25 @@
return 0;
}
+static const struct sun8i_tcon_top_quirks sun8i_r40_tcon_top_quirks = {
+ .has_tcon_tv1 = true,
+ .has_dsi = true,
+};
+
+static const struct sun8i_tcon_top_quirks sun50i_h6_tcon_top_quirks = {
+ /* Nothing special */
+};
+
/* sun4i_drv uses this list to check if a device node is a TCON TOP */
const struct of_device_id sun8i_tcon_top_of_table[] = {
+ {
+ .compatible = "allwinner,sun8i-r40-tcon-top",
+ .data = &sun8i_r40_tcon_top_quirks
+ },
+ {
+ .compatible = "allwinner,sun50i-h6-tcon-top",
+ .data = &sun50i_h6_tcon_top_quirks
+ },
{ /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, sun8i_tcon_top_of_table);
--
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