From 15ade055295d13f95d49e3d99b09f3bbfb4a43e7 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 06 Nov 2023 07:25:24 +0000
Subject: [PATCH] add at24 driver
---
kernel/drivers/video/rockchip/mpp/mpp_service.c | 35 +++++++++++++++++++++++++----------
1 files changed, 25 insertions(+), 10 deletions(-)
diff --git a/kernel/drivers/video/rockchip/mpp/mpp_service.c b/kernel/drivers/video/rockchip/mpp/mpp_service.c
index 375f550..67ef213 100644
--- a/kernel/drivers/video/rockchip/mpp/mpp_service.c
+++ b/kernel/drivers/video/rockchip/mpp/mpp_service.c
@@ -19,6 +19,7 @@
#include <linux/slab.h>
#include <linux/nospec.h>
#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "mpp_debug.h"
#include "mpp_common.h"
@@ -42,34 +43,47 @@
struct mpp_grf_info *grf_info,
const char *grf_name)
{
- int ret;
int index;
u32 grf_offset = 0;
u32 grf_value = 0;
+ u32 mem_offset = 0;
+ u32 val_mem_on = 0;
+ u32 val_mem_off = 0;
struct regmap *grf;
grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
if (IS_ERR_OR_NULL(grf))
return -EINVAL;
- ret = of_property_read_u32(np, "rockchip,grf-offset", &grf_offset);
- if (ret)
- return -ENODATA;
-
index = of_property_match_string(np, "rockchip,grf-names", grf_name);
if (index < 0)
return -ENODATA;
- ret = of_property_read_u32_index(np, "rockchip,grf-values",
- index, &grf_value);
- if (ret)
- return -ENODATA;
+ of_property_read_u32(np, "rockchip,grf-offset", &grf_offset);
+ of_property_read_u32_index(np, "rockchip,grf-values",
+ index, &grf_value);
+ of_property_read_u32_index(np, "rockchip,grf-mem-offset",
+ index, &mem_offset);
+ of_property_read_u32_index(np, "rockchip,grf-mem-on-values",
+ index, &val_mem_on);
+ of_property_read_u32_index(np, "rockchip,grf-mem-off-values",
+ index, &val_mem_off);
+
grf_info->grf = grf;
grf_info->offset = grf_offset;
grf_info->val = grf_value;
- mpp_set_grf(grf_info);
+ grf_info->mem_offset = mem_offset;
+ grf_info->val_mem_on = val_mem_on;
+ grf_info->val_mem_off = val_mem_off;
+
+ if (grf_info->offset && grf_info->val)
+ mpp_set_grf(grf_info);
+
+ if (grf_info->mem_offset && grf_info->val_mem_off)
+ regmap_write(grf_info->grf, grf_info->mem_offset,
+ grf_info->val_mem_off);
return 0;
}
@@ -261,6 +275,7 @@
/* show support devices */
proc_create_single_data("supports-device", 0444,
srv->procfs, mpp_show_support_device, srv);
+ mpp_procfs_create_u32("timing_en", 0644, srv->procfs, &srv->timing_en);
return 0;
}
--
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