diff options
Diffstat (limited to 'target/linux/generic/backport-5.10/747-v5.16-10-net-dsa-qca8k-add-support-for-pws-config-reg.patch')
| -rw-r--r-- | target/linux/generic/backport-5.10/747-v5.16-10-net-dsa-qca8k-add-support-for-pws-config-reg.patch | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/target/linux/generic/backport-5.10/747-v5.16-10-net-dsa-qca8k-add-support-for-pws-config-reg.patch b/target/linux/generic/backport-5.10/747-v5.16-10-net-dsa-qca8k-add-support-for-pws-config-reg.patch deleted file mode 100644 index aa5d92a4fd..0000000000 --- a/target/linux/generic/backport-5.10/747-v5.16-10-net-dsa-qca8k-add-support-for-pws-config-reg.patch +++ /dev/null @@ -1,92 +0,0 @@ -From 362bb238d8bf1470424214a8a5968d9c6cce68fa Mon Sep 17 00:00:00 2001 -From: Ansuel Smith <ansuelsmth@gmail.com> -Date: Thu, 14 Oct 2021 00:39:15 +0200 -Subject: net: dsa: qca8k: add support for pws config reg - -Some qca8327 switch require to force the ignore of power on sel -strapping. Some switch require to set the led open drain mode in regs -instead of using strapping. While most of the device implements this -using the correct way using pin strapping, there are still some broken -device that require to be set using sw regs. -Introduce a new binding and support these special configuration. -As led open drain require to ignore pin strapping to work, the probe -fails with EINVAL error with incorrect configuration. - -Signed-off-by: Ansuel Smith <ansuelsmth@gmail.com> -Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> -Signed-off-by: David S. Miller <davem@davemloft.net> ---- - drivers/net/dsa/qca8k.c | 39 +++++++++++++++++++++++++++++++++++++++ - drivers/net/dsa/qca8k.h | 6 ++++++ - 2 files changed, 45 insertions(+) - ---- a/drivers/net/dsa/qca8k.c -+++ b/drivers/net/dsa/qca8k.c -@@ -932,6 +932,41 @@ static int qca8k_find_cpu_port(struct 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; ---- 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) |