linux-kernel - [PATCH 4.15 085/128] pinctrl: sh-pfc: r8a7791: Add can

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Message-Id: <20180316152340.835750008@linuxfoundation.org>
Date:   Fri, 16 Mar 2018 16:23:46 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Fabrizio Castro <fabrizio.castro@...renesas.com>,
        Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sasha Levin <alexander.levin@...rosoft.com>
Subject: [PATCH 4.15 085/128] pinctrl: sh-pfc: r8a7791: Add can_clk function

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Fabrizio Castro <fabrizio.castro@...renesas.com>


[ Upstream commit 57eec02caee60332b8052615e7257f932ae07abc ]

This patch adds can_clk function to r8a7743/r8a7791 which is cleaner,
and allows for independent configuration.
We keep the can_clk* pins definitions from within can0_groups and
can1_groups for uniformity and backwards compatibility.

Signed-off-by: Fabrizio Castro <fabrizio.castro@...renesas.com>
Reviewed-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@...renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Sasha Levin <alexander.levin@...rosoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/pinctrl/sh-pfc/pfc-r8a7791.c |   22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

--- a/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7791.c
@@ -4826,6 +4826,10 @@ static const char * const can0_groups[]
 	"can0_data_d",
 	"can0_data_e",
 	"can0_data_f",
+	/*
+	 * Retained for backwards compatibility, use can_clk_groups in new
+	 * designs.
+	 */
 	"can_clk",
 	"can_clk_b",
 	"can_clk_c",
@@ -4837,6 +4841,21 @@ static const char * const can1_groups[]
 	"can1_data_b",
 	"can1_data_c",
 	"can1_data_d",
+	/*
+	 * Retained for backwards compatibility, use can_clk_groups in new
+	 * designs.
+	 */
+	"can_clk",
+	"can_clk_b",
+	"can_clk_c",
+	"can_clk_d",
+};
+
+/*
+ * can_clk_groups allows for independent configuration, use can_clk function
+ * in new designs.
+ */
+static const char * const can_clk_groups[] = {
 	"can_clk",
 	"can_clk_b",
 	"can_clk_c",
@@ -5308,7 +5327,7 @@ static const char * const vin2_groups[]
 };
 
 static const struct {
-	struct sh_pfc_function common[56];
+	struct sh_pfc_function common[57];
 	struct sh_pfc_function r8a779x[2];
 } pinmux_functions = {
 	.common = {
@@ -5316,6 +5335,7 @@ static const struct {
 		SH_PFC_FUNCTION(avb),
 		SH_PFC_FUNCTION(can0),
 		SH_PFC_FUNCTION(can1),
+		SH_PFC_FUNCTION(can_clk),
 		SH_PFC_FUNCTION(du),
 		SH_PFC_FUNCTION(du0),
 		SH_PFC_FUNCTION(du1),