diff options
Diffstat (limited to 'drivers/net/dsa')
| -rw-r--r-- | drivers/net/dsa/qca8k.c | 39 | ||||
| -rw-r--r-- | drivers/net/dsa/qca8k.h | 6 |
2 files changed, 45 insertions, 0 deletions
diff --git a/drivers/net/dsa/qca8k.c b/drivers/net/dsa/qca8k.c index e0a16fe6a298..45a5321e03e8 100644 --- a/drivers/net/dsa/qca8k.c +++ b/drivers/net/dsa/qca8k.c @@ -932,6 +932,41 @@ static int qca8k_find_cpu_port(struct dsa_switch *ds) } static int +qca8k_setup_of_pws_reg(struct qca8k_priv *priv) +{ + struct device_node *node = priv->dev->of_node; + u32 val = 0; + int ret; + + /* QCA8327 require to set to the correct mode. + * His bigger brother QCA8328 have the 172 pin layout. + * Should be applied by default but we set this just to make sure. + */ + if (priv->switch_id == QCA8K_ID_QCA8327) { + ret = qca8k_rmw(priv, QCA8K_REG_PWS, QCA8327_PWS_PACKAGE148_EN, + QCA8327_PWS_PACKAGE148_EN); + if (ret) + return ret; + } + + if (of_property_read_bool(node, "qca,ignore-power-on-sel")) + val |= QCA8K_PWS_POWER_ON_SEL; + + if (of_property_read_bool(node, "qca,led-open-drain")) { + if (!(val & QCA8K_PWS_POWER_ON_SEL)) { + dev_err(priv->dev, "qca,led-open-drain require qca,ignore-power-on-sel to be set."); + return -EINVAL; + } + + val |= QCA8K_PWS_LED_OPEN_EN_CSR; + } + + return qca8k_rmw(priv, QCA8K_REG_PWS, + QCA8K_PWS_LED_OPEN_EN_CSR | QCA8K_PWS_POWER_ON_SEL, + val); +} + +static int qca8k_parse_port_config(struct qca8k_priv *priv) { int port, cpu_port_index = 0, ret; @@ -1053,6 +1088,10 @@ qca8k_setup(struct dsa_switch *ds) if (ret) return ret; + ret = qca8k_setup_of_pws_reg(priv); + if (ret) + return ret; + ret = qca8k_setup_mac_pwr_sel(priv); if (ret) return ret; diff --git a/drivers/net/dsa/qca8k.h b/drivers/net/dsa/qca8k.h index 77b1677edafa..35a471bfd27f 100644 --- a/drivers/net/dsa/qca8k.h +++ b/drivers/net/dsa/qca8k.h @@ -46,6 +46,12 @@ #define QCA8K_MAX_DELAY 3 #define QCA8K_PORT_PAD_SGMII_EN BIT(7) #define QCA8K_REG_PWS 0x010 +#define QCA8K_PWS_POWER_ON_SEL BIT(31) +/* This reg is only valid for QCA832x and toggle the package + * type from 176 pin (by default) to 148 pin used on QCA8327 + */ +#define QCA8327_PWS_PACKAGE148_EN BIT(30) +#define QCA8K_PWS_LED_OPEN_EN_CSR BIT(24) #define QCA8K_PWS_SERDES_AEN_DIS BIT(7) #define QCA8K_REG_MODULE_EN 0x030 #define QCA8K_MODULE_EN_MIB BIT(0) |