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Allwinner driver changes for 6.18

Browse Source 
Some changes to the sram driver. One to register a syscon explicitly.
 Another to add a new driver entry for the A523, which has two Ethernet
 controllers, and thus has two RGMII clock delay control registers.
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Merge tag 'sunxi-drivers-for-6.18' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into soc/drivers

Allwinner driver changes for 6.18

Some changes to the sram driver. One to register a syscon explicitly.
Another to add a new driver entry for the A523, which has two Ethernet
controllers, and thus has two RGMII clock delay control registers.

* tag 'sunxi-drivers-for-6.18' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  soc: sunxi: sram: register regmap as syscon
  soc: sunxi: sram: add entry for a523

Link: https://lore.kernel.org/r/aMrsfw-_v3IAiKH8@wens.tw
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
Arnd Bergmann 2025-09-23 23:02:47 +02:00
commit 7150189b62
1 changed files with 14 additions and 0 deletions
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14
drivers/soc/sunxi/sunxi_sram.c
View File

@ -12,6 +12,7 @@
#include <linux/debugfs.h>
#include <linux/io.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
@ -310,6 +311,10 @@ static const struct sunxi_sramc_variant sun50i_h616_sramc_variant = {
.has_ths_offset = true,
};
static const struct sunxi_sramc_variant sun55i_a523_sramc_variant = {
.num_emac_clocks = 2,
};
#define SUNXI_SRAM_THS_OFFSET_REG 0x0
#define SUNXI_SRAM_EMAC_CLOCK_REG 0x30
#define SUNXI_SYS_LDO_CTRL_REG 0x150
@ -363,6 +368,7 @@ static int __init sunxi_sram_probe(struct platform_device *pdev)
const struct sunxi_sramc_variant *variant;
struct device *dev = &pdev->dev;
struct regmap *regmap;
int ret;
sram_dev = &pdev->dev;
@ -380,6 +386,10 @@ static int __init sunxi_sram_probe(struct platform_device *pdev)
regmap = devm_regmap_init_mmio(dev, base, &sunxi_sram_regmap_config);
if (IS_ERR(regmap))
return PTR_ERR(regmap);
ret = of_syscon_register_regmap(dev->of_node, regmap);
if (ret)
return ret;
}
of_platform_populate(dev->of_node, NULL, NULL, dev);
@ -430,6 +440,10 @@ static const struct of_device_id sunxi_sram_dt_match[] = {
.compatible = "allwinner,sun50i-h616-system-control",
.data = &sun50i_h616_sramc_variant,
},
{
.compatible = "allwinner,sun55i-a523-system-control",
.data = &sun55i_a523_sramc_variant,
},
{ },
};
MODULE_DEVICE_TABLE(of, sunxi_sram_dt_match);