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[PATCH 2/2] pinctrl: sh-pfc: r8a7795: Add CAN FD support

Started byRamesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
First post2016-02-25 18:00 +0100
Last post2016-02-26 10:20 +0100
Articles 3 — 2 participants

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  [PATCH 2/2] pinctrl: sh-pfc: r8a7795: Add CAN FD support Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com> - 2016-02-25 18:00 +0100
    Re: [PATCH 2/2] pinctrl: sh-pfc: r8a7795: Add CAN FD support Geert Uytterhoeven <geert@linux-m68k.org> - 2016-02-26 10:10 +0100
    Re: [PATCH 2/2] pinctrl: sh-pfc: r8a7795: Add CAN FD support Geert Uytterhoeven <geert@linux-m68k.org> - 2016-02-26 10:20 +0100

#1343314 — [PATCH 2/2] pinctrl: sh-pfc: r8a7795: Add CAN FD support

FromRamesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Date2016-02-25 18:00 +0100
Subject[PATCH 2/2] pinctrl: sh-pfc: r8a7795: Add CAN FD support
Message-ID<r67qG-6DX-5@gated-at.bofh.it>
This patch adds CANFD[0-1] pinmux support to r8a7795 SoC.

Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
---
 drivers/pinctrl/sh-pfc/pfc-r8a7795.c | 44 ++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
index fbe8e95..0e6fb18 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
@@ -2940,6 +2940,36 @@ static const unsigned int can1_data_pins[] = {
 static const unsigned int can1_data_mux[] = {
 	CAN1_TX_MARK,		CAN1_RX_MARK,
 };
+
+/* - RCAN FD --------------------------------------------------------------- */
+static const unsigned int canfd0_data_a_pins[] = {
+	/* TX, RX */
+	RCAR_GP_PIN(1, 23),     RCAR_GP_PIN(1, 24),
+};
+
+static const unsigned int canfd0_data_a_mux[] = {
+	CANFD0_TX_A_MARK,       CANFD0_RX_A_MARK,
+};
+
+static const unsigned int canfd0_data_b_pins[] = {
+	/* TX, RX */
+	RCAR_GP_PIN(2, 0),      RCAR_GP_PIN(2, 1),
+};
+
+static const unsigned int canfd0_data_b_mux[] = {
+	CANFD0_TX_B_MARK,       CANFD0_RX_B_MARK,
+};
+
+static const unsigned int canfd1_data_pins[] = {
+	/* TX, RX */
+	RCAR_GP_PIN(1, 22),     RCAR_GP_PIN(1, 26),
+};
+
+static const unsigned int canfd1_data_mux[] = {
+	CANFD1_TX_MARK,         CANFD1_RX_MARK,
+};
+
+
 /* - RCAN-CLK --------------------------------------------------------------- */
 static const unsigned int can_clk_pins[] = {
 	/* CLK */
@@ -3362,6 +3392,9 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
 	SH_PFC_PIN_GROUP(can0_data_a),
 	SH_PFC_PIN_GROUP(can0_data_b),
 	SH_PFC_PIN_GROUP(can1_data),
+	SH_PFC_PIN_GROUP(canfd0_data_a),
+	SH_PFC_PIN_GROUP(canfd0_data_b),
+	SH_PFC_PIN_GROUP(canfd1_data),
 	SH_PFC_PIN_GROUP(can_clk),
 };
 
@@ -3686,6 +3719,15 @@ static const char * const can1_groups[] = {
 	"can1_data",
 };
 
+static const char * const canfd0_groups[] = {
+	"canfd0_data_a",
+	"canfd0_data_b",
+};
+
+static const char * const canfd1_groups[] = {
+	"canfd1_data",
+};
+
 static const char * const can_clk_groups[] = {
 	"can_clk",
 };
@@ -3721,6 +3763,8 @@ static const struct sh_pfc_function pinmux_functions[] = {
 	SH_PFC_FUNCTION(ssi),
 	SH_PFC_FUNCTION(can0),
 	SH_PFC_FUNCTION(can1),
+	SH_PFC_FUNCTION(canfd0),
+	SH_PFC_FUNCTION(canfd1),
 	SH_PFC_FUNCTION(can_clk),
 };
 
-- 
1.9.1

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#1343928

FromGeert Uytterhoeven <geert@linux-m68k.org>
Date2016-02-26 10:10 +0100
Message-ID<r6mzp-Sk-27@gated-at.bofh.it>
In reply to#1343314
On Thu, Feb 25, 2016 at 5:48 PM, Ramesh Shanmugasundaram
<ramesh.shanmugasundaram@bp.renesas.com> wrote:
> This patch adds CANFD[0-1] pinmux support to r8a7795 SoC.
>
> Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>

Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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#1343935

FromGeert Uytterhoeven <geert@linux-m68k.org>
Date2016-02-26 10:20 +0100
Message-ID<r6mJ5-Wa-15@gated-at.bofh.it>
In reply to#1343314
Hi Ramesh,

On Thu, Feb 25, 2016 at 5:48 PM, Ramesh Shanmugasundaram
<ramesh.shanmugasundaram@bp.renesas.com> wrote:
> This patch adds CANFD[0-1] pinmux support to r8a7795 SoC.
>
> Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>

Sorry, I spoke too soon. While the pin data is correct, I noticed the following
while applying:

> --- a/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
> +++ b/drivers/pinctrl/sh-pfc/pfc-r8a7795.c
> @@ -2940,6 +2940,36 @@ static const unsigned int can1_data_pins[] = {
>  static const unsigned int can1_data_mux[] = {
>         CAN1_TX_MARK,           CAN1_RX_MARK,
>  };
> +
> +/* - RCAN FD --------------------------------------------------------------- */

Please use "CAN" instead of "RCAN", and insert in alphabetical order.

> +static const unsigned int canfd0_data_a_pins[] = {

> @@ -3362,6 +3392,9 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
>         SH_PFC_PIN_GROUP(can0_data_a),
>         SH_PFC_PIN_GROUP(can0_data_b),
>         SH_PFC_PIN_GROUP(can1_data),
> +       SH_PFC_PIN_GROUP(canfd0_data_a),
> +       SH_PFC_PIN_GROUP(canfd0_data_b),
> +       SH_PFC_PIN_GROUP(canfd1_data),
>         SH_PFC_PIN_GROUP(can_clk),

Please insert in alphabetical order.

> @@ -3686,6 +3719,15 @@ static const char * const can1_groups[] = {
>         "can1_data",
>  };
>
> +static const char * const canfd0_groups[] = {
> +       "canfd0_data_a",
> +       "canfd0_data_b",
> +};
> +
> +static const char * const canfd1_groups[] = {
> +       "canfd1_data",
> +};

Please insert in alphabetical order.

> +
>  static const char * const can_clk_groups[] = {
>         "can_clk",
>  };
> @@ -3721,6 +3763,8 @@ static const struct sh_pfc_function pinmux_functions[] = {
>         SH_PFC_FUNCTION(ssi),
>         SH_PFC_FUNCTION(can0),
>         SH_PFC_FUNCTION(can1),
> +       SH_PFC_FUNCTION(canfd0),
> +       SH_PFC_FUNCTION(canfd1),
>         SH_PFC_FUNCTION(can_clk),

Please insert in alphabetical order.

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds

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