From: Geert Uytterhoeven <geert+renesas@glider.be> To: Simon Horman <horms@verge.net.au>, Magnus Damm <magnus.damm@gmail.com> Cc: linux-renesas-soc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, Geert Uytterhoeven <geert+renesas@glider.be> Subject: [PATCH v4 4/9] ARM: dts: koelsch: Enable SCIF_CLK frequency and pins Date: Fri, 29 Jan 2016 11:17:21 +0100 [thread overview] Message-ID: <1454062646-4826-5-git-send-email-geert+renesas@glider.be> (raw) In-Reply-To: <1454062646-4826-1-git-send-email-geert+renesas@glider.be> Add and enable the external crystal for the SCIF_CLK and its pinctrl, to be used by the Baud Rate Generator for External Clock (BRG) on (H)SCIF. This increases the range and accuracy of supported baud rates: - SCIF: - Supports now 50, 75, 110, 1152000, 1500000, 2000000, and 4000000 bps, - Perfect match for standard 50-460800, and 9216000 bps. - More accurate 576000 bps. - HSCIF: - Supports now 50, 75, 110, 134, 150, and 200 bps, - Perfect match for standard 50-460800, and 9216000 bps. - More accurate 576000, 1152000, 3000000, 3500000, and 4000000 bps. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- v4: - Change one-line summary prefix to match current arm-soc practices, v3: - Add Reviewed-by. --- arch/arm/boot/dts/r8a7791-koelsch.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts index 45256f3cc83560a8..0ad71b81d3a25f59 100644 --- a/arch/arm/boot/dts/r8a7791-koelsch.dts +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts @@ -320,6 +320,9 @@ }; &pfc { + pinctrl-0 = <&scif_clk_pins>; + pinctrl-names = "default"; + i2c2_pins: i2c2 { renesas,groups = "i2c2"; renesas,function = "i2c2"; @@ -340,6 +343,11 @@ renesas,function = "scif1"; }; + scif_clk_pins: scif_clk { + renesas,groups = "scif_clk"; + renesas,function = "scif_clk"; + }; + ether_pins: ether { renesas,groups = "eth_link", "eth_mdio", "eth_rmii"; renesas,function = "eth"; @@ -440,6 +448,11 @@ status = "okay"; }; +&scif_clk { + clock-frequency = <14745600>; + status = "okay"; +}; + &sdhi0 { pinctrl-0 = <&sdhi0_pins>; pinctrl-names = "default"; -- 1.9.1
WARNING: multiple messages have this Message-ID (diff)
From: geert+renesas@glider.be (Geert Uytterhoeven) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v4 4/9] ARM: dts: koelsch: Enable SCIF_CLK frequency and pins Date: Fri, 29 Jan 2016 11:17:21 +0100 [thread overview] Message-ID: <1454062646-4826-5-git-send-email-geert+renesas@glider.be> (raw) In-Reply-To: <1454062646-4826-1-git-send-email-geert+renesas@glider.be> Add and enable the external crystal for the SCIF_CLK and its pinctrl, to be used by the Baud Rate Generator for External Clock (BRG) on (H)SCIF. This increases the range and accuracy of supported baud rates: - SCIF: - Supports now 50, 75, 110, 1152000, 1500000, 2000000, and 4000000 bps, - Perfect match for standard 50-460800, and 9216000 bps. - More accurate 576000 bps. - HSCIF: - Supports now 50, 75, 110, 134, 150, and 200 bps, - Perfect match for standard 50-460800, and 9216000 bps. - More accurate 576000, 1152000, 3000000, 3500000, and 4000000 bps. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> --- v4: - Change one-line summary prefix to match current arm-soc practices, v3: - Add Reviewed-by. --- arch/arm/boot/dts/r8a7791-koelsch.dts | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts index 45256f3cc83560a8..0ad71b81d3a25f59 100644 --- a/arch/arm/boot/dts/r8a7791-koelsch.dts +++ b/arch/arm/boot/dts/r8a7791-koelsch.dts @@ -320,6 +320,9 @@ }; &pfc { + pinctrl-0 = <&scif_clk_pins>; + pinctrl-names = "default"; + i2c2_pins: i2c2 { renesas,groups = "i2c2"; renesas,function = "i2c2"; @@ -340,6 +343,11 @@ renesas,function = "scif1"; }; + scif_clk_pins: scif_clk { + renesas,groups = "scif_clk"; + renesas,function = "scif_clk"; + }; + ether_pins: ether { renesas,groups = "eth_link", "eth_mdio", "eth_rmii"; renesas,function = "eth"; @@ -440,6 +448,11 @@ status = "okay"; }; +&scif_clk { + clock-frequency = <14745600>; + status = "okay"; +}; + &sdhi0 { pinctrl-0 = <&sdhi0_pins>; pinctrl-names = "default"; -- 1.9.1
next prev parent reply other threads:[~2016-01-29 10:17 UTC|newest] Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top 2016-01-29 10:17 [PATCH v4 0/9] ARM/arm64: dts: rcar: Enable SCIF_CLK frequency and pins Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 1/9] ARM: dts: alt: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 2/9] ARM: dts: bockw: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 3/9] ARM: dts: gose: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven [this message] 2016-01-29 10:17 ` [PATCH v4 4/9] ARM: dts: koelsch: " Geert Uytterhoeven [not found] ` <1454062646-4826-1-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org> 2016-01-29 10:17 ` [PATCH v4 5/9] ARM: dts: lager: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 9/9] arm64: dts: salvator-x: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 6/9] ARM: dts: marzen: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 7/9] ARM: dts: porter: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-01-29 10:17 ` [PATCH v4 8/9] ARM: dts: silk: " Geert Uytterhoeven 2016-01-29 10:17 ` Geert Uytterhoeven 2016-02-02 10:21 ` [PATCH v4 0/9] ARM/arm64: dts: rcar: " Simon Horman 2016-02-02 10:21 ` Simon Horman 2016-02-02 13:16 ` Simon Horman 2016-02-02 13:16 ` Simon Horman
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