* [PATCH 1/3] arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC
2025-05-28 8:34 [PATCH 0/3] update NETC node of i.MX95 Wei Fang
@ 2025-05-28 8:34 ` Wei Fang
2025-05-28 15:07 ` Frank Li
2025-05-28 8:34 ` [PATCH 2/3] arm64: dts: imx95-15x15-evk: " Wei Fang
` (3 subsequent siblings)
4 siblings, 1 reply; 10+ messages in thread
From: Wei Fang @ 2025-05-28 8:34 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
Frank.Li
Cc: devicetree, imx, linux-arm-kernel, linux-kernel
The overshoot of MDIO, MDC and ENET1_TDx is too high, so reduce the drive
strength these pins.
Fixes: 025cf78938c2 ("arm64: dts: imx95-19x19-evk: add ENETC 0 support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
---
arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 6886ea766655..d7d845231312 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -566,17 +566,17 @@ &wdog3 {
&scmi_iomuxc {
pinctrl_emdio: emdiogrp{
fsl,pins = <
- IMX95_PAD_ENET1_MDC__NETCMIX_TOP_NETC_MDC 0x57e
- IMX95_PAD_ENET1_MDIO__NETCMIX_TOP_NETC_MDIO 0x97e
+ IMX95_PAD_ENET1_MDC__NETCMIX_TOP_NETC_MDC 0x50e
+ IMX95_PAD_ENET1_MDIO__NETCMIX_TOP_NETC_MDIO 0x90e
>;
};
pinctrl_enetc0: enetc0grp {
fsl,pins = <
- IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x57e
- IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x57e
- IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x57e
- IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x57e
+ IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x50e
+ IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x50e
+ IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x50e
+ IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x50e
IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL 0x57e
IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK 0x58e
IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL 0x57e
--
2.34.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: [PATCH 1/3] arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC
2025-05-28 8:34 ` [PATCH 1/3] arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC Wei Fang
@ 2025-05-28 15:07 ` Frank Li
0 siblings, 0 replies; 10+ messages in thread
From: Frank Li @ 2025-05-28 15:07 UTC (permalink / raw)
To: Wei Fang
Cc: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
devicetree, imx, linux-arm-kernel, linux-kernel
On Wed, May 28, 2025 at 04:34:31PM +0800, Wei Fang wrote:
> The overshoot of MDIO, MDC and ENET1_TDx is too high, so reduce the drive
> strength these pins.
>
> Fixes: 025cf78938c2 ("arm64: dts: imx95-19x19-evk: add ENETC 0 support")
> Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> index 6886ea766655..d7d845231312 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
> @@ -566,17 +566,17 @@ &wdog3 {
> &scmi_iomuxc {
> pinctrl_emdio: emdiogrp{
> fsl,pins = <
> - IMX95_PAD_ENET1_MDC__NETCMIX_TOP_NETC_MDC 0x57e
> - IMX95_PAD_ENET1_MDIO__NETCMIX_TOP_NETC_MDIO 0x97e
> + IMX95_PAD_ENET1_MDC__NETCMIX_TOP_NETC_MDC 0x50e
> + IMX95_PAD_ENET1_MDIO__NETCMIX_TOP_NETC_MDIO 0x90e
> >;
> };
>
> pinctrl_enetc0: enetc0grp {
> fsl,pins = <
> - IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x57e
> - IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x57e
> - IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x57e
> - IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x57e
> + IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x50e
> + IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x50e
> + IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x50e
> + IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x50e
> IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL 0x57e
> IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK 0x58e
> IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL 0x57e
> --
> 2.34.1
>
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH 2/3] arm64: dts: imx95-15x15-evk: fix the overshoot issue of NETC
2025-05-28 8:34 [PATCH 0/3] update NETC node of i.MX95 Wei Fang
2025-05-28 8:34 ` [PATCH 1/3] arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC Wei Fang
@ 2025-05-28 8:34 ` Wei Fang
2025-05-28 15:08 ` Frank Li
2025-05-28 8:34 ` [PATCH 3/3] arm64: dts: imx95: add SMMU support for NETC Wei Fang
` (2 subsequent siblings)
4 siblings, 1 reply; 10+ messages in thread
From: Wei Fang @ 2025-05-28 8:34 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
Frank.Li
Cc: devicetree, imx, linux-arm-kernel, linux-kernel
The overshoot of MDIO, MDC, ENET1_TDx and ENET2_TDx is too high, so
reduce the drive strength of these pins.
Fixes: e3e8b199aff8 ("arm64: dts: imx95: Add imx95-15x15-evk support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
---
.../boot/dts/freescale/imx95-15x15-evk.dts | 20 +++++++++----------
1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 6c47f4b47356..9f4d0899a94d 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -574,17 +574,17 @@ &sai3 {
&scmi_iomuxc {
pinctrl_emdio: emdiogrp {
fsl,pins = <
- IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC 0x57e
- IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO 0x97e
+ IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC 0x50e
+ IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO 0x90e
>;
};
pinctrl_enetc0: enetc0grp {
fsl,pins = <
- IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x57e
- IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x57e
- IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x57e
- IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x57e
+ IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x50e
+ IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x50e
+ IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x50e
+ IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x50e
IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL 0x57e
IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK 0x58e
IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL 0x57e
@@ -598,10 +598,10 @@ IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3 0x57e
pinctrl_enetc1: enetc1grp {
fsl,pins = <
- IMX95_PAD_ENET2_TD3__NETCMIX_TOP_ETH1_RGMII_TD3 0x57e
- IMX95_PAD_ENET2_TD2__NETCMIX_TOP_ETH1_RGMII_TD2 0x57e
- IMX95_PAD_ENET2_TD1__NETCMIX_TOP_ETH1_RGMII_TD1 0x57e
- IMX95_PAD_ENET2_TD0__NETCMIX_TOP_ETH1_RGMII_TD0 0x57e
+ IMX95_PAD_ENET2_TD3__NETCMIX_TOP_ETH1_RGMII_TD3 0x50e
+ IMX95_PAD_ENET2_TD2__NETCMIX_TOP_ETH1_RGMII_TD2 0x50e
+ IMX95_PAD_ENET2_TD1__NETCMIX_TOP_ETH1_RGMII_TD1 0x50e
+ IMX95_PAD_ENET2_TD0__NETCMIX_TOP_ETH1_RGMII_TD0 0x50e
IMX95_PAD_ENET2_TX_CTL__NETCMIX_TOP_ETH1_RGMII_TX_CTL 0x57e
IMX95_PAD_ENET2_TXC__NETCMIX_TOP_ETH1_RGMII_TX_CLK 0x58e
IMX95_PAD_ENET2_RX_CTL__NETCMIX_TOP_ETH1_RGMII_RX_CTL 0x57e
--
2.34.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: [PATCH 2/3] arm64: dts: imx95-15x15-evk: fix the overshoot issue of NETC
2025-05-28 8:34 ` [PATCH 2/3] arm64: dts: imx95-15x15-evk: " Wei Fang
@ 2025-05-28 15:08 ` Frank Li
0 siblings, 0 replies; 10+ messages in thread
From: Frank Li @ 2025-05-28 15:08 UTC (permalink / raw)
To: Wei Fang
Cc: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
devicetree, imx, linux-arm-kernel, linux-kernel
On Wed, May 28, 2025 at 04:34:32PM +0800, Wei Fang wrote:
> The overshoot of MDIO, MDC, ENET1_TDx and ENET2_TDx is too high, so
> reduce the drive strength of these pins.
>
> Fixes: e3e8b199aff8 ("arm64: dts: imx95: Add imx95-15x15-evk support")
> Signed-off-by: Wei Fang <wei.fang@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
> ---
> .../boot/dts/freescale/imx95-15x15-evk.dts | 20 +++++++++----------
> 1 file changed, 10 insertions(+), 10 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> index 6c47f4b47356..9f4d0899a94d 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> @@ -574,17 +574,17 @@ &sai3 {
> &scmi_iomuxc {
> pinctrl_emdio: emdiogrp {
> fsl,pins = <
> - IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC 0x57e
> - IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO 0x97e
> + IMX95_PAD_ENET2_MDC__NETCMIX_TOP_NETC_MDC 0x50e
> + IMX95_PAD_ENET2_MDIO__NETCMIX_TOP_NETC_MDIO 0x90e
> >;
> };
>
> pinctrl_enetc0: enetc0grp {
> fsl,pins = <
> - IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x57e
> - IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x57e
> - IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x57e
> - IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x57e
> + IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3 0x50e
> + IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2 0x50e
> + IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1 0x50e
> + IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0 0x50e
> IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL 0x57e
> IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK 0x58e
> IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL 0x57e
> @@ -598,10 +598,10 @@ IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3 0x57e
>
> pinctrl_enetc1: enetc1grp {
> fsl,pins = <
> - IMX95_PAD_ENET2_TD3__NETCMIX_TOP_ETH1_RGMII_TD3 0x57e
> - IMX95_PAD_ENET2_TD2__NETCMIX_TOP_ETH1_RGMII_TD2 0x57e
> - IMX95_PAD_ENET2_TD1__NETCMIX_TOP_ETH1_RGMII_TD1 0x57e
> - IMX95_PAD_ENET2_TD0__NETCMIX_TOP_ETH1_RGMII_TD0 0x57e
> + IMX95_PAD_ENET2_TD3__NETCMIX_TOP_ETH1_RGMII_TD3 0x50e
> + IMX95_PAD_ENET2_TD2__NETCMIX_TOP_ETH1_RGMII_TD2 0x50e
> + IMX95_PAD_ENET2_TD1__NETCMIX_TOP_ETH1_RGMII_TD1 0x50e
> + IMX95_PAD_ENET2_TD0__NETCMIX_TOP_ETH1_RGMII_TD0 0x50e
> IMX95_PAD_ENET2_TX_CTL__NETCMIX_TOP_ETH1_RGMII_TX_CTL 0x57e
> IMX95_PAD_ENET2_TXC__NETCMIX_TOP_ETH1_RGMII_TX_CLK 0x58e
> IMX95_PAD_ENET2_RX_CTL__NETCMIX_TOP_ETH1_RGMII_RX_CTL 0x57e
> --
> 2.34.1
>
^ permalink raw reply [flat|nested] 10+ messages in thread
* [PATCH 3/3] arm64: dts: imx95: add SMMU support for NETC
2025-05-28 8:34 [PATCH 0/3] update NETC node of i.MX95 Wei Fang
2025-05-28 8:34 ` [PATCH 1/3] arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC Wei Fang
2025-05-28 8:34 ` [PATCH 2/3] arm64: dts: imx95-15x15-evk: " Wei Fang
@ 2025-05-28 8:34 ` Wei Fang
2025-05-28 15:09 ` Frank Li
2025-06-25 5:05 ` [PATCH 0/3] update NETC node of i.MX95 Wei Fang
2025-06-30 3:35 ` Shawn Guo
4 siblings, 1 reply; 10+ messages in thread
From: Wei Fang @ 2025-05-28 8:34 UTC (permalink / raw)
To: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
Frank.Li
Cc: devicetree, imx, linux-arm-kernel, linux-kernel
The i.MX95 NETC supports SMMU, so add SMMU support.
Signed-off-by: Wei Fang <wei.fang@nxp.com>
---
arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 8 ++++++++
arch/arm64/boot/dts/freescale/imx95.dtsi | 8 ++++++++
2 files changed, 16 insertions(+)
diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
index 9f4d0899a94d..e9a5fb36f5d0 100644
--- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
@@ -494,6 +494,14 @@ &netc_bus0 {
<0x60 &its 0x66 0x1>, //ENETC1 VF1
<0x80 &its 0x64 0x1>, //ENETC2 PF
<0xc0 &its 0x67 0x1>;
+ iommu-map = <0x0 &smmu 0x20 0x1>,
+ <0x10 &smmu 0x21 0x1>,
+ <0x20 &smmu 0x22 0x1>,
+ <0x40 &smmu 0x23 0x1>,
+ <0x50 &smmu 0x25 0x1>,
+ <0x60 &smmu 0x26 0x1>,
+ <0x80 &smmu 0x24 0x1>,
+ <0xc0 &smmu 0x27 0x1>;
};
&netc_emdio {
diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
index 632631a29112..32a91d7b51e5 100644
--- a/arch/arm64/boot/dts/freescale/imx95.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
@@ -1861,6 +1861,14 @@ netc_bus0: pcie@4ca00000 {
<0x90 &its 0x65 0x1>, //ENETC2 VF0
<0xa0 &its 0x66 0x1>, //ENETC2 VF1
<0xc0 &its 0x67 0x1>; //NETC Timer
+ iommu-map = <0x0 &smmu 0x20 0x1>,
+ <0x10 &smmu 0x21 0x1>,
+ <0x20 &smmu 0x22 0x1>,
+ <0x40 &smmu 0x23 0x1>,
+ <0x80 &smmu 0x24 0x1>,
+ <0x90 &smmu 0x25 0x1>,
+ <0xa0 &smmu 0x26 0x1>,
+ <0xc0 &smmu 0x27 0x1>;
/* ENETC0~2 and Timer BAR0 - non-prefetchable memory */
ranges = <0x82000000 0x0 0x4cc00000 0x0 0x4cc00000 0x0 0xe0000
/* Timer BAR2 - prefetchable memory */
--
2.34.1
^ permalink raw reply related [flat|nested] 10+ messages in thread* Re: [PATCH 3/3] arm64: dts: imx95: add SMMU support for NETC
2025-05-28 8:34 ` [PATCH 3/3] arm64: dts: imx95: add SMMU support for NETC Wei Fang
@ 2025-05-28 15:09 ` Frank Li
2025-05-29 2:43 ` Wei Fang
0 siblings, 1 reply; 10+ messages in thread
From: Frank Li @ 2025-05-28 15:09 UTC (permalink / raw)
To: Wei Fang
Cc: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
devicetree, imx, linux-arm-kernel, linux-kernel
On Wed, May 28, 2025 at 04:34:33PM +0800, Wei Fang wrote:
> The i.MX95 NETC supports SMMU, so add SMMU support.
>
> Signed-off-by: Wei Fang <wei.fang@nxp.com>
> ---
> arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts | 8 ++++++++
> arch/arm64/boot/dts/freescale/imx95.dtsi | 8 ++++++++
> 2 files changed, 16 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> index 9f4d0899a94d..e9a5fb36f5d0 100644
> --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> @@ -494,6 +494,14 @@ &netc_bus0 {
> <0x60 &its 0x66 0x1>, //ENETC1 VF1
> <0x80 &its 0x64 0x1>, //ENETC2 PF
> <0xc0 &its 0x67 0x1>;
> + iommu-map = <0x0 &smmu 0x20 0x1>,
> + <0x10 &smmu 0x21 0x1>,
> + <0x20 &smmu 0x22 0x1>,
> + <0x40 &smmu 0x23 0x1>,
> + <0x50 &smmu 0x25 0x1>,
> + <0x60 &smmu 0x26 0x1>,
> + <0x80 &smmu 0x24 0x1>,
> + <0xc0 &smmu 0x27 0x1>;
Do you need iommu-map-mask to mask bus id in case difference probe order
with pcie node?
Frank Li
> };
>
> &netc_emdio {
> diff --git a/arch/arm64/boot/dts/freescale/imx95.dtsi b/arch/arm64/boot/dts/freescale/imx95.dtsi
> index 632631a29112..32a91d7b51e5 100644
> --- a/arch/arm64/boot/dts/freescale/imx95.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx95.dtsi
> @@ -1861,6 +1861,14 @@ netc_bus0: pcie@4ca00000 {
> <0x90 &its 0x65 0x1>, //ENETC2 VF0
> <0xa0 &its 0x66 0x1>, //ENETC2 VF1
> <0xc0 &its 0x67 0x1>; //NETC Timer
> + iommu-map = <0x0 &smmu 0x20 0x1>,
> + <0x10 &smmu 0x21 0x1>,
> + <0x20 &smmu 0x22 0x1>,
> + <0x40 &smmu 0x23 0x1>,
> + <0x80 &smmu 0x24 0x1>,
> + <0x90 &smmu 0x25 0x1>,
> + <0xa0 &smmu 0x26 0x1>,
> + <0xc0 &smmu 0x27 0x1>;
> /* ENETC0~2 and Timer BAR0 - non-prefetchable memory */
> ranges = <0x82000000 0x0 0x4cc00000 0x0 0x4cc00000 0x0 0xe0000
> /* Timer BAR2 - prefetchable memory */
> --
> 2.34.1
>
^ permalink raw reply [flat|nested] 10+ messages in thread* RE: [PATCH 3/3] arm64: dts: imx95: add SMMU support for NETC
2025-05-28 15:09 ` Frank Li
@ 2025-05-29 2:43 ` Wei Fang
0 siblings, 0 replies; 10+ messages in thread
From: Wei Fang @ 2025-05-29 2:43 UTC (permalink / raw)
To: Frank Li
Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org,
shawnguo@kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com,
devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
> > diff --git a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> > index 9f4d0899a94d..e9a5fb36f5d0 100644
> > --- a/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> > +++ b/arch/arm64/boot/dts/freescale/imx95-15x15-evk.dts
> > @@ -494,6 +494,14 @@ &netc_bus0 {
> > <0x60 &its 0x66 0x1>, //ENETC1 VF1
> > <0x80 &its 0x64 0x1>, //ENETC2 PF
> > <0xc0 &its 0x67 0x1>;
> > + iommu-map = <0x0 &smmu 0x20 0x1>,
> > + <0x10 &smmu 0x21 0x1>,
> > + <0x20 &smmu 0x22 0x1>,
> > + <0x40 &smmu 0x23 0x1>,
> > + <0x50 &smmu 0x25 0x1>,
> > + <0x60 &smmu 0x26 0x1>,
> > + <0x80 &smmu 0x24 0x1>,
> > + <0xc0 &smmu 0x27 0x1>;
>
> Do you need iommu-map-mask to mask bus id in case difference probe order
> with pcie node?
>
No, the bus id is fixed for NETC devices.
^ permalink raw reply [flat|nested] 10+ messages in thread
* RE: [PATCH 0/3] update NETC node of i.MX95
2025-05-28 8:34 [PATCH 0/3] update NETC node of i.MX95 Wei Fang
` (2 preceding siblings ...)
2025-05-28 8:34 ` [PATCH 3/3] arm64: dts: imx95: add SMMU support for NETC Wei Fang
@ 2025-06-25 5:05 ` Wei Fang
2025-06-30 3:35 ` Shawn Guo
4 siblings, 0 replies; 10+ messages in thread
From: Wei Fang @ 2025-06-25 5:05 UTC (permalink / raw)
To: shawnguo@kernel.org
Cc: devicetree@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, s.hauer@pengutronix.de,
kernel@pengutronix.de, festevam@gmail.com, Frank Li,
robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org
> We found that NETC has an overshoot issue, so the drive strength of the related
> pins needs to be reduced. The first two patches are used to fix this issue. The
> third patch adds SMMU support for NETC.
>
> Wei Fang (3):
> arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC
> arm64: dts: imx95-15x15-evk: fix the overshoot issue of NETC
> arm64: dts: imx95: add SMMU support for NETC
>
> .../boot/dts/freescale/imx95-15x15-evk.dts | 28 ++++++++++++-------
> .../boot/dts/freescale/imx95-19x19-evk.dts | 12 ++++----
> arch/arm64/boot/dts/freescale/imx95.dtsi | 8 ++++++
> 3 files changed, 32 insertions(+), 16 deletions(-)
>
> --
> 2.34.1
Hi Shawn,
Would you pick up this patch set?
^ permalink raw reply [flat|nested] 10+ messages in thread* Re: [PATCH 0/3] update NETC node of i.MX95
2025-05-28 8:34 [PATCH 0/3] update NETC node of i.MX95 Wei Fang
` (3 preceding siblings ...)
2025-06-25 5:05 ` [PATCH 0/3] update NETC node of i.MX95 Wei Fang
@ 2025-06-30 3:35 ` Shawn Guo
4 siblings, 0 replies; 10+ messages in thread
From: Shawn Guo @ 2025-06-30 3:35 UTC (permalink / raw)
To: Wei Fang
Cc: robh, krzk+dt, conor+dt, shawnguo, s.hauer, kernel, festevam,
Frank.Li, devicetree, imx, linux-arm-kernel, linux-kernel
On Wed, May 28, 2025 at 04:34:30PM +0800, Wei Fang wrote:
> We found that NETC has an overshoot issue, so the drive strength of the
> related pins needs to be reduced. The first two patches are used to fix
> this issue. The third patch adds SMMU support for NETC.
>
> Wei Fang (3):
> arm64: dts: imx95-19x19-evk: fix the overshoot issue of NETC
> arm64: dts: imx95-15x15-evk: fix the overshoot issue of NETC
> arm64: dts: imx95: add SMMU support for NETC
Applied all, thanks!
^ permalink raw reply [flat|nested] 10+ messages in thread