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authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>2020-06-19 20:54:32 +0300
committerGeert Uytterhoeven <geert+renesas@glider.be>2020-06-22 17:58:23 +0300
commitb2fc9b4eb1d79c03fd78e50b810c2ea27178e1e3 (patch)
tree09fac9856d6da624ce6e94fb9570db4f0269b000 /drivers/pinctrl/sh-pfc
parentb3b4f8dffd38c2ec08d7eadaa57147a0ff6e3714 (diff)
downloadlinux-b2fc9b4eb1d79c03fd78e50b810c2ea27178e1e3.tar.xz
pinctrl: sh-pfc: r8a77970: Add RPC pins, groups, and functions
Add the RPC pins/groups/functions to the R8A77970 PFC driver. They can be used if an Octal-SPI flash or HyperFlash is connected. Based on the patch by Dmitry Shifrin <dmitry.shifrin@cogentembedded.com>. Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Link: https://lore.kernel.org/r/3982785f-4fca-96f9-2b6a-a0d1828cb0ad@cogentembedded.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Diffstat (limited to 'drivers/pinctrl/sh-pfc')
-rw-r--r--drivers/pinctrl/sh-pfc/pfc-r8a77970.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a77970.c b/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
index 25e27b6bee89..9f7d9c9238fc 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a77970.c
@@ -1416,6 +1416,64 @@ static const unsigned int qspi1_data4_mux[] = {
QSPI1_IO2_MARK, QSPI1_IO3_MARK
};
+/* - RPC -------------------------------------------------------------------- */
+static const unsigned int rpc_clk1_pins[] = {
+ /* Octal-SPI flash: C/SCLK */
+ RCAR_GP_PIN(5, 0),
+};
+static const unsigned int rpc_clk1_mux[] = {
+ QSPI0_SPCLK_MARK,
+};
+static const unsigned int rpc_clk2_pins[] = {
+ /* HyperFlash: CK, CK# */
+ RCAR_GP_PIN(5, 0), RCAR_GP_PIN(5, 6),
+};
+static const unsigned int rpc_clk2_mux[] = {
+ QSPI0_SPCLK_MARK, QSPI1_SPCLK_MARK,
+};
+static const unsigned int rpc_ctrl_pins[] = {
+ /* Octal-SPI flash: S#/CS, DQS */
+ /* HyperFlash: CS#, RDS */
+ RCAR_GP_PIN(5, 5), RCAR_GP_PIN(5, 11),
+};
+static const unsigned int rpc_ctrl_mux[] = {
+ QSPI0_SSL_MARK, QSPI1_SSL_MARK,
+};
+static const unsigned int rpc_data_pins[] = {
+ /* DQ[0:7] */
+ RCAR_GP_PIN(5, 1), RCAR_GP_PIN(5, 2),
+ RCAR_GP_PIN(5, 3), RCAR_GP_PIN(5, 4),
+ RCAR_GP_PIN(5, 7), RCAR_GP_PIN(5, 8),
+ RCAR_GP_PIN(5, 9), RCAR_GP_PIN(5, 10),
+};
+static const unsigned int rpc_data_mux[] = {
+ QSPI0_MOSI_IO0_MARK, QSPI0_MISO_IO1_MARK,
+ QSPI0_IO2_MARK, QSPI0_IO3_MARK,
+ QSPI1_MOSI_IO0_MARK, QSPI1_MISO_IO1_MARK,
+ QSPI1_IO2_MARK, QSPI1_IO3_MARK,
+};
+static const unsigned int rpc_reset_pins[] = {
+ /* RPC_RESET# */
+ RCAR_GP_PIN(5, 12),
+};
+static const unsigned int rpc_reset_mux[] = {
+ RPC_RESET_N_MARK,
+};
+static const unsigned int rpc_int_pins[] = {
+ /* RPC_INT# */
+ RCAR_GP_PIN(5, 14),
+};
+static const unsigned int rpc_int_mux[] = {
+ RPC_INT_N_MARK,
+};
+static const unsigned int rpc_wp_pins[] = {
+ /* RPC_WP# */
+ RCAR_GP_PIN(5, 13),
+};
+static const unsigned int rpc_wp_mux[] = {
+ RPC_WP_N_MARK,
+};
+
/* - SCIF Clock ------------------------------------------------------------- */
static const unsigned int scif_clk_a_pins[] = {
/* SCIF_CLK */
@@ -1750,6 +1808,13 @@ static const struct sh_pfc_pin_group pinmux_groups[] = {
SH_PFC_PIN_GROUP(qspi1_ctrl),
SH_PFC_PIN_GROUP(qspi1_data2),
SH_PFC_PIN_GROUP(qspi1_data4),
+ SH_PFC_PIN_GROUP(rpc_clk1),
+ SH_PFC_PIN_GROUP(rpc_clk2),
+ SH_PFC_PIN_GROUP(rpc_ctrl),
+ SH_PFC_PIN_GROUP(rpc_data),
+ SH_PFC_PIN_GROUP(rpc_reset),
+ SH_PFC_PIN_GROUP(rpc_int),
+ SH_PFC_PIN_GROUP(rpc_wp),
SH_PFC_PIN_GROUP(scif_clk_a),
SH_PFC_PIN_GROUP(scif_clk_b),
SH_PFC_PIN_GROUP(scif0_data),
@@ -1954,6 +2019,16 @@ static const char * const qspi1_groups[] = {
"qspi1_data4",
};
+static const char * const rpc_groups[] = {
+ "rpc_clk1",
+ "rpc_clk2",
+ "rpc_ctrl",
+ "rpc_data",
+ "rpc_reset",
+ "rpc_int",
+ "rpc_wp",
+};
+
static const char * const scif_clk_groups[] = {
"scif_clk_a",
"scif_clk_b",
@@ -2039,6 +2114,7 @@ static const struct sh_pfc_function pinmux_functions[] = {
SH_PFC_FUNCTION(pwm4),
SH_PFC_FUNCTION(qspi0),
SH_PFC_FUNCTION(qspi1),
+ SH_PFC_FUNCTION(rpc),
SH_PFC_FUNCTION(scif_clk),
SH_PFC_FUNCTION(scif0),
SH_PFC_FUNCTION(scif1),