[PATCH 4.15 085/128] pinctrl: sh-pfc: r8a7791: Add can_clk function

Greg Kroah-Hartman
2018-03-16T15:23:46Z

From: Fabrizio Castro <fabrizio.castro@bp.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@bp.renesas.com>
Reviewed-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.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),