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Commit d14a39ed authored by Geert Uytterhoeven's avatar Geert Uytterhoeven
Browse files

pinctrl: sh-pfc: r8a7795: Add SCIF_CLK support 



Add pins, groups, and a function for SCIF_CLK on R-Car H3 ES2.0.
SCIF_CLK is the external clock source for the Baud Rate Generator for
External Clock (BRG) on (H)SCIF serial ports.

Extracted from a big patch in the BSP by Takeshi Kihara.

Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
Cc: Takeshi Kihara <takeshi.kihara.df@renesas.com>
parent e7ad4d3c

drivers/pinctrl/sh-pfc/pfc-r8a7795.c

+24 −0
Original line number Diff line number Diff line
@@ -1773,6 +1773,22 @@ static const unsigned int scif5_clk_b_mux[] = { 
	SCK5_B_MARK,

};



/* - SCIF Clock ------------------------------------------------------------- */

static const unsigned int scif_clk_a_pins[] = {

	/* SCIF_CLK */

	RCAR_GP_PIN(6, 23),

};

static const unsigned int scif_clk_a_mux[] = {

	SCIF_CLK_A_MARK,

};

static const unsigned int scif_clk_b_pins[] = {

	/* SCIF_CLK */

	RCAR_GP_PIN(5, 9),

};

static const unsigned int scif_clk_b_mux[] = {

	SCIF_CLK_B_MARK,

};



static const struct sh_pfc_pin_group pinmux_groups[] = {

	SH_PFC_PIN_GROUP(scif0_data),

	SH_PFC_PIN_GROUP(scif0_clk),
@@ -1801,6 +1817,8 @@ static const struct sh_pfc_pin_group pinmux_groups[] = { 
	SH_PFC_PIN_GROUP(scif5_clk_a),

	SH_PFC_PIN_GROUP(scif5_data_b),

	SH_PFC_PIN_GROUP(scif5_clk_b),

	SH_PFC_PIN_GROUP(scif_clk_a),

	SH_PFC_PIN_GROUP(scif_clk_b),

};



static const char * const scif0_groups[] = {
@@ -1848,6 +1866,11 @@ static const char * const scif5_groups[] = { 
	"scif5_clk_b",

};



static const char * const scif_clk_groups[] = {

	"scif_clk_a",

	"scif_clk_b",

};



static const struct sh_pfc_function pinmux_functions[] = {

	SH_PFC_FUNCTION(scif0),

	SH_PFC_FUNCTION(scif1),
@@ -1855,6 +1878,7 @@ static const struct sh_pfc_function pinmux_functions[] = { 
	SH_PFC_FUNCTION(scif3),

	SH_PFC_FUNCTION(scif4),

	SH_PFC_FUNCTION(scif5),

	SH_PFC_FUNCTION(scif_clk),

};



static const struct pinmux_cfg_reg pinmux_config_regs[] = {