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reset: airoha: add support for airoha en7523 SoC family

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This adds reset controller support for airoha en7523/en7529/en7562 SoCs.

Signed-off-by: Mikhail Kshevetskiy <mikhail.kshevetskiy@iopsys.eu>
This commit is contained in:
Mikhail Kshevetskiy
2025-11-01 03:44:55 +03:00
committed by Tom Rini
parent 168af8e4f4
commit 1b333e4063
1 changed files with 68 additions and 3 deletions
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71
drivers/reset/reset-airoha.c
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@@ -13,6 +13,7 @@
#include <regmap.h>
#include <asm/arch/scu-regmap.h>
#include <dt-bindings/reset/airoha,en7523-reset.h>
#include <dt-bindings/reset/airoha,en7581-reset.h>
#define RST_NR_PER_BANK 32
@@ -23,6 +24,7 @@
struct airoha_reset_priv {
const u16 *bank_ofs;
const u16 *idx_map;
int num_rsts;
struct regmap *map;
};
@@ -31,6 +33,53 @@ static const u16 en7581_rst_ofs[] = {
REG_RESET_CONTROL1,
};
static const u16 en7523_rst_map[] = {
/* RST_CTRL2 */
[EN7523_XPON_PHY_RST] = 0,
[EN7523_XSI_MAC_RST] = 7,
[EN7523_XSI_PHY_RST] = 8,
[EN7523_NPU_RST] = 9,
[EN7523_I2S_RST] = 10,
[EN7523_TRNG_RST] = 11,
[EN7523_TRNG_MSTART_RST] = 12,
[EN7523_DUAL_HSI0_RST] = 13,
[EN7523_DUAL_HSI1_RST] = 14,
[EN7523_HSI_RST] = 15,
[EN7523_DUAL_HSI0_MAC_RST] = 16,
[EN7523_DUAL_HSI1_MAC_RST] = 17,
[EN7523_HSI_MAC_RST] = 18,
[EN7523_WDMA_RST] = 19,
[EN7523_WOE0_RST] = 20,
[EN7523_WOE1_RST] = 21,
[EN7523_HSDMA_RST] = 22,
[EN7523_I2C2RBUS_RST] = 23,
[EN7523_TDMA_RST] = 24,
/* RST_CTRL1 */
[EN7523_PCM1_ZSI_ISI_RST] = RST_NR_PER_BANK + 0,
[EN7523_FE_PDMA_RST] = RST_NR_PER_BANK + 1,
[EN7523_FE_QDMA_RST] = RST_NR_PER_BANK + 2,
[EN7523_PCM_SPIWP_RST] = RST_NR_PER_BANK + 4,
[EN7523_CRYPTO_RST] = RST_NR_PER_BANK + 6,
[EN7523_TIMER_RST] = RST_NR_PER_BANK + 8,
[EN7523_PCM1_RST] = RST_NR_PER_BANK + 11,
[EN7523_UART_RST] = RST_NR_PER_BANK + 12,
[EN7523_GPIO_RST] = RST_NR_PER_BANK + 13,
[EN7523_GDMA_RST] = RST_NR_PER_BANK + 14,
[EN7523_I2C_MASTER_RST] = RST_NR_PER_BANK + 16,
[EN7523_PCM2_ZSI_ISI_RST] = RST_NR_PER_BANK + 17,
[EN7523_SFC_RST] = RST_NR_PER_BANK + 18,
[EN7523_UART2_RST] = RST_NR_PER_BANK + 19,
[EN7523_GDMP_RST] = RST_NR_PER_BANK + 20,
[EN7523_FE_RST] = RST_NR_PER_BANK + 21,
[EN7523_USB_HOST_P0_RST] = RST_NR_PER_BANK + 22,
[EN7523_GSW_RST] = RST_NR_PER_BANK + 23,
[EN7523_SFC2_PCM_RST] = RST_NR_PER_BANK + 25,
[EN7523_PCIE0_RST] = RST_NR_PER_BANK + 26,
[EN7523_PCIE1_RST] = RST_NR_PER_BANK + 27,
[EN7523_PCIE_HB_RST] = RST_NR_PER_BANK + 29,
[EN7523_XPON_MAC_RST] = RST_NR_PER_BANK + 31,
};
static const u16 en7581_rst_map[] = {
/* RST_CTRL2 */
[EN7581_XPON_PHY_RST] = 0,
@@ -136,7 +185,7 @@ static int airoha_reset_xlate(struct reset_ctl *reset_ctl,
{
struct airoha_reset_priv *priv = dev_get_priv(reset_ctl->dev);
if (args->args[0] >= ARRAY_SIZE(en7581_rst_map))
if (args->args[0] >= priv->num_rsts)
return -EINVAL;
reset_ctl->id = priv->idx_map[args->args[0]];
@@ -151,7 +200,7 @@ static struct reset_ops airoha_reset_ops = {
.rst_status = airoha_reset_status,
};
static int airoha_reset_probe(struct udevice *dev)
static int reset_init(struct udevice *dev, const u16 *rst_map, int num_rsts)
{
struct airoha_reset_priv *priv = dev_get_priv(dev);
@@ -160,11 +209,27 @@ static int airoha_reset_probe(struct udevice *dev)
return PTR_ERR(priv->map);
priv->bank_ofs = en7581_rst_ofs;
priv->idx_map = en7581_rst_map;
priv->idx_map = rst_map;
priv->num_rsts = num_rsts;
return 0;
}
static int airoha_reset_probe(struct udevice *dev)
{
if (ofnode_device_is_compatible(dev_ofnode(dev),
"airoha,en7523-scu"))
return reset_init(dev, en7523_rst_map,
ARRAY_SIZE(en7523_rst_map));
if (ofnode_device_is_compatible(dev_ofnode(dev),
"airoha,en7581-scu"))
return reset_init(dev, en7581_rst_map,
ARRAY_SIZE(en7581_rst_map));
return -ENODEV;
}
U_BOOT_DRIVER(airoha_reset) = {
.name = "airoha-reset",
.id = UCLASS_RESET,