* [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi
@ 2017-02-01 10:52 Raju Lakkaraju
2017-02-01 10:52 ` [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi PHYs Raju Lakkaraju
0 siblings, 1 reply; 3+ messages in thread
From: Raju Lakkaraju @ 2017-02-01 10:52 UTC (permalink / raw)
To: netdev, devicetree; +Cc: f.fainelli, Allan.Nielsen, andrew, Raju Lakkaraju
From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.
LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get from
Device Tree.
Tested on Beaglebone Black with VSC 8531 PHY.
Change set:
v0:
- Initial version of LED driver for Microsemi PHYs.
v1:
- Update all review comments given by Andrew.
- Add new header file "mscc-phy-vsc8531.h" to define DT macros.
- Add error/range check for DT LED mode input
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
Raju Lakkaraju (1):
net: phy: Add LED mode driver for Microsemi PHYs.
.../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
3 files changed, 123 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
--
2.7.4
^ permalink raw reply [flat|nested] 3+ messages in thread
* [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
2017-02-01 10:52 [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi Raju Lakkaraju
@ 2017-02-01 10:52 ` Raju Lakkaraju
2017-02-01 11:13 ` kbuild test robot
0 siblings, 1 reply; 3+ messages in thread
From: Raju Lakkaraju @ 2017-02-01 10:52 UTC (permalink / raw)
To: netdev, devicetree; +Cc: f.fainelli, Allan.Nielsen, andrew, Raju Lakkaraju
From: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
LED Mode:
Microsemi PHY support 2 LEDs (LED[0] and LED[1]) to display different
status information that can be selected by setting LED mode.
LED Mode parameter (vsc8531, led-0-mode) and (vsc8531, led-1-mode) get
from Device Tree.
Signed-off-by: Raju Lakkaraju <Raju.Lakkaraju@microsemi.com>
---
.../devicetree/bindings/net/mscc-phy-vsc8531.txt | 10 +++
drivers/net/phy/mscc.c | 85 +++++++++++++++++++++-
include/dt-bindings/net/mscc-phy-vsc8531.h | 29 ++++++++
3 files changed, 123 insertions(+), 1 deletion(-)
create mode 100644 include/dt-bindings/net/mscc-phy-vsc8531.h
diff --git a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
index bdefefc6..bb7450c 100644
--- a/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
+++ b/Documentation/devicetree/bindings/net/mscc-phy-vsc8531.txt
@@ -27,6 +27,14 @@ Optional properties:
'vddmac'.
Default value is 0%.
Ref: Table:1 - Edge rate change (below).
+- vsc8531,led-0-mode : LED mode. Specify how the LED[0] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is 1.
+- vsc8531,led-1-mode : LED mode. Specify how the LED[1] should behave.
+ Allowed values are define in
+ "include/dt-bindings/net/mscc-phy-vsc8531.h".
+ Default value is 2.
Table: 1 - Edge rate change
----------------------------------------------------------------|
@@ -60,4 +68,6 @@ Example:
compatible = "ethernet-phy-id0007.0570";
vsc8531,vddmac = <3300>;
vsc8531,edge-slowdown = <7>;
+ vsc8531,led-0-mode = <LINK_1000_ACTIVITY>;
+ vsc8531,led-1-mode = <LINK_100_ACTIVITY>;
};
diff --git a/drivers/net/phy/mscc.c b/drivers/net/phy/mscc.c
index e03ead8..3d2f3be 100644
--- a/drivers/net/phy/mscc.c
+++ b/drivers/net/phy/mscc.c
@@ -13,6 +13,7 @@
#include <linux/phy.h>
#include <linux/of.h>
#include <linux/netdevice.h>
+#include <dt-bindings/net/mscc-phy-vsc8531.h>
enum rgmii_rx_clock_delay {
RGMII_RX_CLK_DELAY_0_2_NS = 0,
@@ -52,6 +53,11 @@ enum rgmii_rx_clock_delay {
#define MSCC_PHY_DEV_AUX_CNTL 28
#define HP_AUTO_MDIX_X_OVER_IND_MASK 0x2000
+#define MSCC_PHY_LED_MODE_SEL 29
+#define LED_1_MODE_SEL_MASK 0x00F0
+#define LED_0_MODE_SEL_MASK 0x000F
+#define LED_1_MODE_SEL_POS 4
+
#define MSCC_EXT_PAGE_ACCESS 31
#define MSCC_PHY_PAGE_STANDARD 0x0000 /* Standard registers */
#define MSCC_PHY_PAGE_EXTENDED 0x0001 /* Extended registers */
@@ -99,6 +105,8 @@ enum rgmii_rx_clock_delay {
struct vsc8531_private {
int rate_magic;
+ u8 led_0_mode;
+ u8 led_1_mode;
};
#ifdef CONFIG_OF_MDIO
@@ -123,6 +131,29 @@ static int vsc85xx_phy_page_set(struct phy_device *phydev, u8 page)
return rc;
}
+static int vsc85xx_led_cntl_set(struct phy_device *phydev,
+ u8 led_num,
+ u8 mode)
+{
+ int rc;
+ u16 reg_val;
+
+ mutex_lock(&phydev->lock);
+ reg_val = phy_read(phydev, MSCC_PHY_LED_MODE_SEL);
+ if (led_num) {
+ reg_val &= ~LED_1_MODE_SEL_MASK;
+ reg_val |= (((u16)mode << LED_1_MODE_SEL_POS) &
+ LED_1_MODE_SEL_MASK);
+ } else {
+ reg_val &= ~LED_0_MODE_SEL_MASK;
+ reg_val |= ((u16)mode & LED_0_MODE_SEL_MASK);
+ }
+ rc = phy_write(phydev, MSCC_PHY_LED_MODE_SEL, reg_val);
+ mutex_unlock(&phydev->lock);
+
+ return rc;
+}
+
static int vsc85xx_mdix_get(struct phy_device *phydev, u8 *mdix)
{
u16 reg_val;
@@ -370,11 +401,43 @@ static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
return -EINVAL;
}
+
+static int vsc85xx_dt_led_mode_get(struct phy_device *phydev,
+ char *led,
+ u8 default_mode)
+{
+ struct device *dev = &phydev->mdio.dev;
+ struct device_node *of_node = dev->of_node;
+ u8 led_mode;
+ int rc;
+
+ if (!of_node)
+ return -ENODEV;
+
+ rc = of_property_read_u8(of_node, led, &led_mode);
+ if ((rc == 0) &&
+ ((led_mode > 15) || (led_mode == 7) || (led_mode == 11))) {
+ phydev_err(phydev, "DT %s invalid\n", led);
+ return -EINVAL;
+ } else if (rc == -EINVAL) {
+ return default_mode;
+ }
+
+ return led_mode;
+}
+
#else
static int vsc85xx_edge_rate_magic_get(struct phy_device *phydev)
{
return 0;
}
+
+static int vsc85xx_led_mode_get(struct phy_device *phydev,
+ char *dt_str,
+ u8 def_mode)
+{
+ return def_mode;
+}
#endif /* CONFIG_OF_MDIO */
static int vsc85xx_edge_rate_cntl_set(struct phy_device *phydev, u8 edge_rate)
@@ -499,6 +562,13 @@ static int vsc85xx_config_init(struct phy_device *phydev)
if (rc)
return rc;
+ rc = vsc85xx_led_cntl_set(phydev, 1, vsc8531->led_1_mode);
+ if (rc)
+ return rc;
+ rc = vsc85xx_led_cntl_set(phydev, 0, vsc8531->led_0_mode);
+ if (rc)
+ return rc;
+
rc = genphy_config_init(phydev);
return rc;
@@ -555,8 +625,9 @@ static int vsc85xx_read_status(struct phy_device *phydev)
static int vsc85xx_probe(struct phy_device *phydev)
{
- int rate_magic;
struct vsc8531_private *vsc8531;
+ int rate_magic;
+ int led_mode;
rate_magic = vsc85xx_edge_rate_magic_get(phydev);
if (rate_magic < 0)
@@ -570,6 +641,18 @@ static int vsc85xx_probe(struct phy_device *phydev)
vsc8531->rate_magic = rate_magic;
+ /* LED[0] and LED[1] mode */
+ led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
+ LINK_1000_ACTIVITY);
+ if (led_mode < 0)
+ return led_mode;
+ vsc8531->led_0_mode = led_mode;
+ led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-1-mode",
+ LINK_100_ACTIVITY);
+ if (led_mode < 0)
+ return led_mode;
+ vsc8531->led_1_mode = led_mode;
+
return 0;
}
diff --git a/include/dt-bindings/net/mscc-phy-vsc8531.h b/include/dt-bindings/net/mscc-phy-vsc8531.h
new file mode 100644
index 0000000..af6af98
--- /dev/null
+++ b/include/dt-bindings/net/mscc-phy-vsc8531.h
@@ -0,0 +1,29 @@
+/*
+ * Device Tree constants for Microsemi VSC8531 PHY
+ *
+ * Author: Nagaraju Lakkaraju
+ *
+ * License: Dual MIT/GPL
+ * Copyright (c) 2017 Microsemi Corporation
+ */
+
+#ifndef _DT_BINDINGS_MSCC_VSC8531_H
+#define _DT_BINDINGS_MSCC_VSC8531_H
+
+/* PHY LED Modes */
+#define LINK_ACTIVITY 0
+#define LINK_1000_ACTIVITY 1
+#define LINK_100_ACTIVITY 2
+#define LINK_10_ACTIVITY 3
+#define LINK_100_1000_ACTIVITY 4
+#define LINK_10_1000_ACTIVITY 5
+#define LINK_10_100_ACTIVITY 6
+#define DUPLEX_COLLISION 8
+#define COLLISION 9
+#define ACTIVITY 10
+#define AUTONEG_FAULT 12
+#define SERIAL_MODE 13
+#define FORCE_LED_OFF 14
+#define FORCE_LED_ON 15
+
+#endif
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi PHYs.
2017-02-01 10:52 ` [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi PHYs Raju Lakkaraju
@ 2017-02-01 11:13 ` kbuild test robot
0 siblings, 0 replies; 3+ messages in thread
From: kbuild test robot @ 2017-02-01 11:13 UTC (permalink / raw)
Cc: kbuild-all, netdev, devicetree, f.fainelli, Allan.Nielsen, andrew,
Raju Lakkaraju
[-- Attachment #1: Type: text/plain, Size: 1514 bytes --]
Hi Raju,
[auto build test ERROR on net-next/master]
url: https://github.com/0day-ci/linux/commits/Raju-Lakkaraju/net-phy-Add-LED-mode-driver-for-Microsemi-PHYs/20170201-185922
config: x86_64-randconfig-x001-201705 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64
All errors (new ones prefixed by >>):
drivers/net/phy/mscc.c: In function 'vsc85xx_probe':
>> drivers/net/phy/mscc.c:645:13: error: implicit declaration of function 'vsc85xx_dt_led_mode_get' [-Werror=implicit-function-declaration]
led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
^~~~~~~~~~~~~~~~~~~~~~~
At top level:
drivers/net/phy/mscc.c:435:12: warning: 'vsc85xx_led_mode_get' defined but not used [-Wunused-function]
static int vsc85xx_led_mode_get(struct phy_device *phydev,
^~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/vsc85xx_dt_led_mode_get +645 drivers/net/phy/mscc.c
639
640 phydev->priv = vsc8531;
641
642 vsc8531->rate_magic = rate_magic;
643
644 /* LED[0] and LED[1] mode */
> 645 led_mode = vsc85xx_dt_led_mode_get(phydev, "vsc8531,led-0-mode",
646 LINK_1000_ACTIVITY);
647 if (led_mode < 0)
648 return led_mode;
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
[-- Attachment #2: .config.gz --]
[-- Type: application/gzip, Size: 26458 bytes --]
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2017-02-01 10:52 [PATCH v1 net-next] net: phy: Add LED mode driver for Microsemi Raju Lakkaraju
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2017-02-01 11:13 ` kbuild test robot
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