From patchwork Thu Oct 10 14:25:58 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 11183675 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id EE97F17EE for ; Thu, 10 Oct 2019 14:26:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id DA183206B6 for ; Thu, 10 Oct 2019 14:26:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726303AbfJJO0N (ORCPT ); Thu, 10 Oct 2019 10:26:13 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:57697 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725923AbfJJO0M (ORCPT ); Thu, 10 Oct 2019 10:26:12 -0400 X-IronPort-AV: E=Sophos;i="5.67,280,1566831600"; d="scan'208";a="28794128" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 10 Oct 2019 23:26:10 +0900 Received: from fabrizio-dev.ree.adwin.renesas.com (unknown [10.226.36.196]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 089F44288734; Thu, 10 Oct 2019 23:26:06 +0900 (JST) From: Fabrizio Castro To: Geert Uytterhoeven , Wolfgang Grandegger , Marc Kleine-Budde , Rob Herring , Mark Rutland Cc: Fabrizio Castro , "David S. Miller" , Simon Horman , Magnus Damm , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Laurent Pinchart , Kieran Bingham , Jacopo Mondi Subject: [PATCH net-next v2 1/3] dt-bindings: can: rcar_can: Add r8a774b1 support Date: Thu, 10 Oct 2019 15:25:58 +0100 Message-Id: <1570717560-7431-2-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1570717560-7431-1-git-send-email-fabrizio.castro@bp.renesas.com> References: <1570717560-7431-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Document RZ/G2N (r8a774b1) SoC specific bindings. Signed-off-by: Fabrizio Castro Reviewed-by: Geert Uytterhoeven Acked-by: Rob Herring --- v1->v2: * No change Documentation/devicetree/bindings/net/can/rcar_can.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/net/can/rcar_can.txt b/Documentation/devicetree/bindings/net/can/rcar_can.txt index 19e4a7d..85c6551 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_can.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_can.txt @@ -7,6 +7,7 @@ Required properties: "renesas,can-r8a7745" if CAN controller is a part of R8A7745 SoC. "renesas,can-r8a77470" if CAN controller is a part of R8A77470 SoC. "renesas,can-r8a774a1" if CAN controller is a part of R8A774A1 SoC. + "renesas,can-r8a774b1" if CAN controller is a part of R8A774B1 SoC. "renesas,can-r8a774c0" if CAN controller is a part of R8A774C0 SoC. "renesas,can-r8a7778" if CAN controller is a part of R8A7778 SoC. "renesas,can-r8a7779" if CAN controller is a part of R8A7779 SoC. @@ -36,8 +37,8 @@ Required properties: - pinctrl-0: pin control group to be used for this controller. - pinctrl-names: must be "default". -Required properties for R8A774A1, R8A774C0, R8A7795, R8A7796, R8A77965, -R8A77990, and R8A77995: +Required properties for R8A774A1, R8A774B1, R8A774C0, R8A7795, R8A7796, +R8A77965, R8A77990, and R8A77995: For the denoted SoCs, "clkp2" can be CANFD clock. This is a div6 clock and can be used by both CAN and CAN FD controller at the same time. It needs to be scaled to maximum frequency if any of these controllers use it. This is done From patchwork Thu Oct 10 14:25:59 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 11183677 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 5AAC0112B for ; Thu, 10 Oct 2019 14:26:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 45E62206B6 for ; Thu, 10 Oct 2019 14:26:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726345AbfJJO0S (ORCPT ); Thu, 10 Oct 2019 10:26:18 -0400 Received: from relmlor2.renesas.com ([210.160.252.172]:48792 "EHLO relmlie6.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725923AbfJJO0R (ORCPT ); Thu, 10 Oct 2019 10:26:17 -0400 X-IronPort-AV: E=Sophos;i="5.67,280,1566831600"; d="scan'208";a="28575678" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 10 Oct 2019 23:26:15 +0900 Received: from fabrizio-dev.ree.adwin.renesas.com (unknown [10.226.36.196]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 495EB4288736; Thu, 10 Oct 2019 23:26:11 +0900 (JST) From: Fabrizio Castro To: Geert Uytterhoeven , Wolfgang Grandegger , Marc Kleine-Budde , Rob Herring , Mark Rutland Cc: Fabrizio Castro , "David S. Miller" , Simon Horman , Magnus Damm , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Laurent Pinchart , Kieran Bingham , Jacopo Mondi Subject: [PATCH net-next v2 2/3] dt-bindings: can: rcar_canfd: document r8a774b1 support Date: Thu, 10 Oct 2019 15:25:59 +0100 Message-Id: <1570717560-7431-3-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1570717560-7431-1-git-send-email-fabrizio.castro@bp.renesas.com> References: <1570717560-7431-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Document the support for rcar_canfd on R8A774B1 SoC devices. Signed-off-by: Fabrizio Castro Reviewed-by: Geert Uytterhoeven Acked-by: Rob Herring --- v1->v2: * Added the R8A774B1 to the clock paragraph according to Geert's comment Documentation/devicetree/bindings/net/can/rcar_canfd.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt index a901cd9..13a4e34 100644 --- a/Documentation/devicetree/bindings/net/can/rcar_canfd.txt +++ b/Documentation/devicetree/bindings/net/can/rcar_canfd.txt @@ -5,6 +5,7 @@ Required properties: - compatible: Must contain one or more of the following: - "renesas,rcar-gen3-canfd" for R-Car Gen3 and RZ/G2 compatible controllers. - "renesas,r8a774a1-canfd" for R8A774A1 (RZ/G2M) compatible controller. + - "renesas,r8a774b1-canfd" for R8A774B1 (RZ/G2N) compatible controller. - "renesas,r8a774c0-canfd" for R8A774C0 (RZ/G2E) compatible controller. - "renesas,r8a7795-canfd" for R8A7795 (R-Car H3) compatible controller. - "renesas,r8a7796-canfd" for R8A7796 (R-Car M3-W) compatible controller. @@ -31,8 +32,8 @@ The name of the child nodes are "channel0" and "channel1" respectively. Each child node supports the "status" property only, which is used to enable/disable the respective channel. -Required properties for R8A774A1, R8A774C0, R8A7795, R8A7796, R8A77965, -R8A77990, and R8A77995: +Required properties for R8A774A1, R8A774B1, R8A774C0, R8A7795, R8A7796, +R8A77965, R8A77990, and R8A77995: In the denoted SoCs, canfd clock is a div6 clock and can be used by both CAN and CAN FD controller at the same time. It needs to be scaled to maximum frequency if any of these controllers use it. This is done using the below From patchwork Thu Oct 10 14:26:00 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 11183679 X-Patchwork-Delegate: geert@linux-m68k.org Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 4561B17EE for ; Thu, 10 Oct 2019 14:26:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 315FE206B6 for ; Thu, 10 Oct 2019 14:26:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725923AbfJJO0V (ORCPT ); Thu, 10 Oct 2019 10:26:21 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:43208 "EHLO relmlie5.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726359AbfJJO0V (ORCPT ); Thu, 10 Oct 2019 10:26:21 -0400 X-IronPort-AV: E=Sophos;i="5.67,280,1566831600"; d="scan'208";a="28794139" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 10 Oct 2019 23:26:19 +0900 Received: from fabrizio-dev.ree.adwin.renesas.com (unknown [10.226.36.196]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 80BF94288734; Thu, 10 Oct 2019 23:26:15 +0900 (JST) From: Fabrizio Castro To: Geert Uytterhoeven , Wolfgang Grandegger , Marc Kleine-Budde , Rob Herring , Mark Rutland Cc: Fabrizio Castro , "David S. Miller" , Simon Horman , Magnus Damm , linux-can@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Chris Paterson , Biju Das , Laurent Pinchart , Kieran Bingham , Jacopo Mondi Subject: [PATCH v2 3/3] arm64: dts: renesas: r8a774b1: Add CAN and CAN FD support Date: Thu, 10 Oct 2019 15:26:00 +0100 Message-Id: <1570717560-7431-4-git-send-email-fabrizio.castro@bp.renesas.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1570717560-7431-1-git-send-email-fabrizio.castro@bp.renesas.com> References: <1570717560-7431-1-git-send-email-fabrizio.castro@bp.renesas.com> Sender: linux-renesas-soc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-renesas-soc@vger.kernel.org Add CAN and CAN FD support to the RZ/G2N SoC specific dtsi. Signed-off-by: Fabrizio Castro Reviewed-by: Geert Uytterhoeven --- v1->v2: * No change arch/arm64/boot/dts/renesas/r8a774b1.dtsi | 48 +++++++++++++++++++++++++++++-- 1 file changed, 45 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi index 80b8b2e..bfea6df 100644 --- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi @@ -994,18 +994,60 @@ }; can0: can@e6c30000 { + compatible = "renesas,can-r8a774b1", + "renesas,rcar-gen3-can"; reg = <0 0xe6c30000 0 0x1000>; - /* placeholder */ + interrupts = ; + clocks = <&cpg CPG_MOD 916>, + <&cpg CPG_CORE R8A774B1_CLK_CANFD>, + <&can_clk>; + clock-names = "clkp1", "clkp2", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774B1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>; + resets = <&cpg 916>; + status = "disabled"; }; can1: can@e6c38000 { + compatible = "renesas,can-r8a774b1", + "renesas,rcar-gen3-can"; reg = <0 0xe6c38000 0 0x1000>; - /* placeholder */ + interrupts = ; + clocks = <&cpg CPG_MOD 915>, + <&cpg CPG_CORE R8A774B1_CLK_CANFD>, + <&can_clk>; + clock-names = "clkp1", "clkp2", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774B1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>; + resets = <&cpg 915>; + status = "disabled"; }; canfd: can@e66c0000 { + compatible = "renesas,r8a774b1-canfd", + "renesas,rcar-gen3-canfd"; reg = <0 0xe66c0000 0 0x8000>; - /* placeholder */ + interrupts = , + ; + clocks = <&cpg CPG_MOD 914>, + <&cpg CPG_CORE R8A774B1_CLK_CANFD>, + <&can_clk>; + clock-names = "fck", "canfd", "can_clk"; + assigned-clocks = <&cpg CPG_CORE R8A774B1_CLK_CANFD>; + assigned-clock-rates = <40000000>; + power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>; + resets = <&cpg 914>; + status = "disabled"; + + channel0 { + status = "disabled"; + }; + + channel1 { + status = "disabled"; + }; }; pwm0: pwm@e6e30000 {