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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 13:38-20230724, Judith Mendez wrote: > On AM62ax there are no hardware interrupts routed to A53 GIC > interrupt controller for MCU MCAN IPs, so MCU MCAN nodes were > omitted from MCU dtsi. > > Timer polling was introduced in commits [1][2] enabling 3x MCAN > on AM62ax, so now add MCU MCAN nodes to the mcu dtsi for the Cortex A53. > > [1] commit b382380c0d2d ("can: m_can: Add hrtimer to generate software interrupt") > [2] commit bb410c03b999 ("dt-bindings: net: can: Remove interrupt properties for MCAN") > > Signed-off-by: Judith Mendez > --- > arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi | 24 ++++++++++++++++++++++++ > 1 file changed, 24 insertions(+) > > diff --git a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi > index 04599762c2b7..3fca702e7f2d 100644 > --- a/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi > +++ b/arch/arm64/boot/dts/ti/k3-am62a-mcu.dtsi > @@ -143,4 +143,28 @@ mcu_rti0: watchdog@4880000 { > /* Tightly coupled to M4F */ > status = "reserved"; > }; > + > + mcu_mcan0: can@4e00000 { s/4e00000/4e08000 > + compatible = "bosch,m_can"; > + reg = <0x00 0x4e08000 0x00 0x200>, > + <0x00 0x4e00000 0x00 0x8000>; > + reg-names = "m_can", "message_ram"; > + power-domains = <&k3_pds 188 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&k3_clks 188 6>, <&k3_clks 188 1>; > + clock-names = "hclk", "cclk"; > + bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>; > + status = "disabled"; > + }; > + > + mcu_mcan1: can@4e10000 { s/4e10000/4e18000 > + compatible = "bosch,m_can"; > + reg = <0x00 0x4e18000 0x00 0x200>, > + <0x00 0x4e10000 0x00 0x8000>; > + reg-names = "m_can", "message_ram"; > + power-domains = <&k3_pds 189 TI_SCI_PD_EXCLUSIVE>; > + clocks = <&k3_clks 189 6>, <&k3_clks 189 1>; > + clock-names = "hclk", "cclk"; > + bosch,mram-cfg = <0x0 128 64 64 64 64 32 32>; > + status = "disabled"; > + }; > }; > -- > 2.34.1 > -- Regards, Nishanth Menon Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3 1A34 DDB5 849D 1736 249D _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel