diff options
Diffstat (limited to 'target/linux/generic/backport-5.15/815-v6.4-03-net-dsa-qca8k-add-LEDs-blink_set-support.patch')
| -rw-r--r-- | target/linux/generic/backport-5.15/815-v6.4-03-net-dsa-qca8k-add-LEDs-blink_set-support.patch | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.15/815-v6.4-03-net-dsa-qca8k-add-LEDs-blink_set-support.patch b/target/linux/generic/backport-5.15/815-v6.4-03-net-dsa-qca8k-add-LEDs-blink_set-support.patch new file mode 100644 index 0000000000..231c4156df --- /dev/null +++ b/target/linux/generic/backport-5.15/815-v6.4-03-net-dsa-qca8k-add-LEDs-blink_set-support.patch @@ -0,0 +1,74 @@ +From 91acadcc6e599dfc62717abcdad58a459cfb1684 Mon Sep 17 00:00:00 2001 +From: Christian Marangi <ansuelsmth@gmail.com> +Date: Mon, 17 Apr 2023 17:17:25 +0200 +Subject: [PATCH 3/9] net: dsa: qca8k: add LEDs blink_set() support + +Add LEDs blink_set() support to qca8k Switch Family. +These LEDs support hw accellerated blinking at a fixed rate +of 4Hz. + +Reject any other value since not supported by the LEDs switch. + +Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> +Reviewed-by: Andrew Lunn <andrew@lunn.ch> +Acked-by: Pavel Machek <pavel@ucw.cz> +Reviewed-by: Florian Fainelli <f.fainelli@gmail.com> +Signed-off-by: David S. Miller <davem@davemloft.net> +--- + drivers/net/dsa/qca/qca8k-leds.c | 38 ++++++++++++++++++++++++++++++++ + 1 file changed, 38 insertions(+) + +--- a/drivers/net/dsa/qca/qca8k-leds.c ++++ b/drivers/net/dsa/qca/qca8k-leds.c +@@ -128,6 +128,43 @@ qca8k_led_brightness_get(struct qca8k_le + } + + static int ++qca8k_cled_blink_set(struct led_classdev *ldev, ++ unsigned long *delay_on, ++ unsigned long *delay_off) ++{ ++ struct qca8k_led *led = container_of(ldev, struct qca8k_led, cdev); ++ u32 mask, val = QCA8K_LED_ALWAYS_BLINK_4HZ; ++ struct qca8k_led_pattern_en reg_info; ++ struct qca8k_priv *priv = led->priv; ++ ++ if (*delay_on == 0 && *delay_off == 0) { ++ *delay_on = 125; ++ *delay_off = 125; ++ } ++ ++ if (*delay_on != 125 || *delay_off != 125) { ++ /* The hardware only supports blinking at 4Hz. Fall back ++ * to software implementation in other cases. ++ */ ++ return -EINVAL; ++ } ++ ++ qca8k_get_enable_led_reg(led->port_num, led->led_num, ®_info); ++ ++ if (led->port_num == 0 || led->port_num == 4) { ++ mask = QCA8K_LED_PATTERN_EN_MASK; ++ val <<= QCA8K_LED_PATTERN_EN_SHIFT; ++ } else { ++ mask = QCA8K_LED_PHY123_PATTERN_EN_MASK; ++ } ++ ++ regmap_update_bits(priv->regmap, reg_info.reg, mask << reg_info.shift, ++ val << reg_info.shift); ++ ++ return 0; ++} ++ ++static int + qca8k_parse_port_leds(struct qca8k_priv *priv, struct fwnode_handle *port, int port_num) + { + struct fwnode_handle *led = NULL, *leds = NULL; +@@ -186,6 +223,7 @@ qca8k_parse_port_leds(struct qca8k_priv + + port_led->cdev.max_brightness = 1; + port_led->cdev.brightness_set_blocking = qca8k_cled_brightness_set_blocking; ++ port_led->cdev.blink_set = qca8k_cled_blink_set; + init_data.default_label = ":port"; + init_data.fwnode = led; + init_data.devname_mandatory = true; |