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Message-ID: <Z-vwczLnmAkswNeD@lore-desk>
Date: Tue, 1 Apr 2025 15:56:03 +0200
From: Lorenzo Bianconi <lorenzo@...nel.org>
To: Christian Marangi <ansuelsmth@...il.com>
Cc: Sean Wang <sean.wang@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Matthias Brugger <matthias.bgg@...il.com>,
AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
Benjamin Larsson <benjamin.larsson@...exis.eu>,
linux-mediatek@...ts.infradead.org, linux-gpio@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
stable@...r.kernel.org
Subject: Re: [PATCH v2] pinctrl: airoha: fix wrong PHY LED mapping and PHY2
LED defines
> The current PHY2 LED define are wrong and actually set BITs outside the
> related mask. Fix it and set the correct value. While at it, also use
> FIELD_PREP_CONST macro to make it simple to understand what values are
> actually applied for the mask.
>
> Also fix wrong PHY LED mapping. The SoC Switch supports up to 4 port but
> the register define mapping for 5 PHY port, starting from 0. The mapping
> was wrongly defined starting from PHY1. Reorder the function group to
> start from PHY0. PHY4 is actually never supported as we don't have a
> GPIO pin to assign.
>
> Cc: stable@...r.kernel.org
> Fixes: 1c8ace2d0725 ("pinctrl: airoha: Add support for EN7581 SoC")
> Reviewed-by: Benjamin Larsson <benjamin.larsson@...exis.eu>
> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
Acked-by: Lorenzo Bianconi <lorenzo@...nel.org>
> ---
> Changes v2:
> - Add Reviewed-by tag
> - Use more symbolic macro
>
> drivers/pinctrl/mediatek/pinctrl-airoha.c | 159 ++++++++++------------
> 1 file changed, 70 insertions(+), 89 deletions(-)
>
> diff --git a/drivers/pinctrl/mediatek/pinctrl-airoha.c b/drivers/pinctrl/mediatek/pinctrl-airoha.c
> index 547a798b71c8..5d84a778683d 100644
> --- a/drivers/pinctrl/mediatek/pinctrl-airoha.c
> +++ b/drivers/pinctrl/mediatek/pinctrl-airoha.c
> @@ -6,6 +6,7 @@
> */
>
> #include <dt-bindings/pinctrl/mt65xx.h>
> +#include <linux/bitfield.h>
> #include <linux/bits.h>
> #include <linux/cleanup.h>
> #include <linux/gpio/driver.h>
> @@ -112,39 +113,19 @@
> #define REG_LAN_LED1_MAPPING 0x0280
>
> #define LAN4_LED_MAPPING_MASK GENMASK(18, 16)
> -#define LAN4_PHY4_LED_MAP BIT(18)
> -#define LAN4_PHY2_LED_MAP BIT(17)
> -#define LAN4_PHY1_LED_MAP BIT(16)
> -#define LAN4_PHY0_LED_MAP 0
> -#define LAN4_PHY3_LED_MAP GENMASK(17, 16)
> +#define LAN4_PHY_LED_MAP(_n) FIELD_PREP_CONST(LAN4_LED_MAPPING_MASK, (_n))
>
> #define LAN3_LED_MAPPING_MASK GENMASK(14, 12)
> -#define LAN3_PHY4_LED_MAP BIT(14)
> -#define LAN3_PHY2_LED_MAP BIT(13)
> -#define LAN3_PHY1_LED_MAP BIT(12)
> -#define LAN3_PHY0_LED_MAP 0
> -#define LAN3_PHY3_LED_MAP GENMASK(13, 12)
> +#define LAN3_PHY_LED_MAP(_n) FIELD_PREP_CONST(LAN3_LED_MAPPING_MASK, (_n))
>
> #define LAN2_LED_MAPPING_MASK GENMASK(10, 8)
> -#define LAN2_PHY4_LED_MAP BIT(12)
> -#define LAN2_PHY2_LED_MAP BIT(11)
> -#define LAN2_PHY1_LED_MAP BIT(10)
> -#define LAN2_PHY0_LED_MAP 0
> -#define LAN2_PHY3_LED_MAP GENMASK(11, 10)
> +#define LAN2_PHY_LED_MAP(_n) FIELD_PREP_CONST(LAN2_LED_MAPPING_MASK, (_n))
>
> #define LAN1_LED_MAPPING_MASK GENMASK(6, 4)
> -#define LAN1_PHY4_LED_MAP BIT(6)
> -#define LAN1_PHY2_LED_MAP BIT(5)
> -#define LAN1_PHY1_LED_MAP BIT(4)
> -#define LAN1_PHY0_LED_MAP 0
> -#define LAN1_PHY3_LED_MAP GENMASK(5, 4)
> +#define LAN1_PHY_LED_MAP(_n) FIELD_PREP_CONST(LAN1_LED_MAPPING_MASK, (_n))
>
> #define LAN0_LED_MAPPING_MASK GENMASK(2, 0)
> -#define LAN0_PHY4_LED_MAP BIT(3)
> -#define LAN0_PHY2_LED_MAP BIT(2)
> -#define LAN0_PHY1_LED_MAP BIT(1)
> -#define LAN0_PHY0_LED_MAP 0
> -#define LAN0_PHY3_LED_MAP GENMASK(2, 1)
> +#define LAN0_PHY_LED_MAP(_n) FIELD_PREP_CONST(LAN0_LED_MAPPING_MASK, (_n))
>
> /* CONF */
> #define REG_I2C_SDA_E2 0x001c
> @@ -1476,8 +1457,8 @@ static const struct airoha_pinctrl_func_group phy1_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY1_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> }, {
> @@ -1491,8 +1472,8 @@ static const struct airoha_pinctrl_func_group phy1_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY1_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> }, {
> @@ -1506,8 +1487,8 @@ static const struct airoha_pinctrl_func_group phy1_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY1_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> }, {
> @@ -1521,8 +1502,8 @@ static const struct airoha_pinctrl_func_group phy1_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY1_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> },
> @@ -1540,8 +1521,8 @@ static const struct airoha_pinctrl_func_group phy2_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY2_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> }, {
> @@ -1555,8 +1536,8 @@ static const struct airoha_pinctrl_func_group phy2_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY2_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> }, {
> @@ -1570,8 +1551,8 @@ static const struct airoha_pinctrl_func_group phy2_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY2_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> }, {
> @@ -1585,8 +1566,8 @@ static const struct airoha_pinctrl_func_group phy2_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY2_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> },
> @@ -1604,8 +1585,8 @@ static const struct airoha_pinctrl_func_group phy3_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY3_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> }, {
> @@ -1619,8 +1600,8 @@ static const struct airoha_pinctrl_func_group phy3_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY3_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> }, {
> @@ -1634,8 +1615,8 @@ static const struct airoha_pinctrl_func_group phy3_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY3_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> }, {
> @@ -1649,8 +1630,8 @@ static const struct airoha_pinctrl_func_group phy3_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY3_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> },
> @@ -1668,8 +1649,8 @@ static const struct airoha_pinctrl_func_group phy4_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY4_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> }, {
> @@ -1683,8 +1664,8 @@ static const struct airoha_pinctrl_func_group phy4_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY4_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> }, {
> @@ -1698,8 +1679,8 @@ static const struct airoha_pinctrl_func_group phy4_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY4_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> }, {
> @@ -1713,8 +1694,8 @@ static const struct airoha_pinctrl_func_group phy4_led0_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED0_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY4_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> },
> @@ -1732,8 +1713,8 @@ static const struct airoha_pinctrl_func_group phy1_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY1_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> }, {
> @@ -1747,8 +1728,8 @@ static const struct airoha_pinctrl_func_group phy1_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY1_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> }, {
> @@ -1762,8 +1743,8 @@ static const struct airoha_pinctrl_func_group phy1_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY1_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> }, {
> @@ -1777,8 +1758,8 @@ static const struct airoha_pinctrl_func_group phy1_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY1_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(0)
> },
> .regmap_size = 2,
> },
> @@ -1796,8 +1777,8 @@ static const struct airoha_pinctrl_func_group phy2_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY2_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> }, {
> @@ -1811,8 +1792,8 @@ static const struct airoha_pinctrl_func_group phy2_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY2_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> }, {
> @@ -1826,8 +1807,8 @@ static const struct airoha_pinctrl_func_group phy2_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY2_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> }, {
> @@ -1841,8 +1822,8 @@ static const struct airoha_pinctrl_func_group phy2_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY2_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(1)
> },
> .regmap_size = 2,
> },
> @@ -1860,8 +1841,8 @@ static const struct airoha_pinctrl_func_group phy3_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY3_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> }, {
> @@ -1875,8 +1856,8 @@ static const struct airoha_pinctrl_func_group phy3_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY3_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> }, {
> @@ -1890,8 +1871,8 @@ static const struct airoha_pinctrl_func_group phy3_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY3_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> }, {
> @@ -1905,8 +1886,8 @@ static const struct airoha_pinctrl_func_group phy3_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY3_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(2)
> },
> .regmap_size = 2,
> },
> @@ -1924,8 +1905,8 @@ static const struct airoha_pinctrl_func_group phy4_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN1_LED_MAPPING_MASK,
> - LAN1_PHY4_LED_MAP
> + LAN0_LED_MAPPING_MASK,
> + LAN0_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> }, {
> @@ -1939,8 +1920,8 @@ static const struct airoha_pinctrl_func_group phy4_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN2_LED_MAPPING_MASK,
> - LAN2_PHY4_LED_MAP
> + LAN1_LED_MAPPING_MASK,
> + LAN1_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> }, {
> @@ -1954,8 +1935,8 @@ static const struct airoha_pinctrl_func_group phy4_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN3_LED_MAPPING_MASK,
> - LAN3_PHY4_LED_MAP
> + LAN2_LED_MAPPING_MASK,
> + LAN2_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> }, {
> @@ -1969,8 +1950,8 @@ static const struct airoha_pinctrl_func_group phy4_led1_func_group[] = {
> .regmap[1] = {
> AIROHA_FUNC_MUX,
> REG_LAN_LED1_MAPPING,
> - LAN4_LED_MAPPING_MASK,
> - LAN4_PHY4_LED_MAP
> + LAN3_LED_MAPPING_MASK,
> + LAN3_PHY_LED_MAP(3)
> },
> .regmap_size = 2,
> },
> --
> 2.48.1
>
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