[PATCH 4/4] pinctrl: qcom: msm8960: Add multi copy support

[Andy Gross <agross@codeaurora.org>]

This patch adds multiple copy support for functions that can be mapped to more
than one pin and that also require an additional mux configuration setting to
work properly.

Signed-off-by: Andy Gross <agross@codeaurora.org>
---
 .../bindings/pinctrl/qcom,msm8960-pinctrl.txt      |   19 ++++++------
 drivers/pinctrl/qcom/pinctrl-msm8960.c             |   32 +++++++++++++++-----
 2 files changed, 34 insertions(+), 17 deletions(-)

diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
index eb8d8aa..c73ed5c 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,msm8960-pinctrl.txt
@@ -103,15 +103,16 @@ to specify in a pin configuration subnode:
 		    gsbi12, hdmi_cec, hdmi_ddc_clock, hdmi_ddc_data,
 		    hdmi_hot_plug_detect, hsic, mdp_vsync, mi2s, mic_i2s,
 		    pmb_clk, pmb_ext_ctrl, ps_hold, rpm_wdog, sdc2, sdc4, sdc5,
-		    slimbus1, slimbus2, spkr_i2s, ssbi1, ssbi2, ssbi_ext_gps,
-		    ssbi_pmic2, ssbi_qpa1, ssbi_ts, tsif1, tsif2, ts_eoc,
-		    usb_fs1, usb_fs1_oe, usb_fs1_oe_n, usb_fs2, usb_fs2_oe,
-		    usb_fs2_oe_n, vfe_camif_timer1_a, vfe_camif_timer1_b,
-		    vfe_camif_timer2, vfe_camif_timer3_a, vfe_camif_timer3_b,
-		    vfe_camif_timer4_a, vfe_camif_timer4_b, vfe_camif_timer4_c,
-		    vfe_camif_timer5_a, vfe_camif_timer5_b, vfe_camif_timer6_a,
-		    vfe_camif_timer6_b, vfe_camif_timer6_c, vfe_camif_timer7_a,
-		    vfe_camif_timer7_b, vfe_camif_timer7_c, wlan
+		    slimbus1_a, slimbus1_b, slimbus2, spkr_i2s, ssbi1, ssbi2,
+		    ssbi_ext_gps, ssbi_pmic2, ssbi_qpa1, ssbi_ts, tsif1, tsif2,
+		    ts_eoc, usb_fs1, usb_fs1_oe, usb_fs1_oe_n, usb_fs2,
+		    usb_fs2_oe, usb_fs2_oe_n, vfe_camif_timer1_a,
+		    vfe_camif_timer1_b, vfe_camif_timer2, vfe_camif_timer3_a,
+		    vfe_camif_timer3_b, vfe_camif_timer4_a, vfe_camif_timer4_b,
+		    vfe_camif_timer4_c, vfe_camif_timer5_a, vfe_camif_timer5_b,
+		    vfe_camif_timer6_a, vfe_camif_timer6_b, vfe_camif_timer6_c,
+		    vfe_camif_timer7_a, vfe_camif_timer7_b, vfe_camif_timer7_c,
+		    wlan
 
 - bias-disable:
 	Usage: optional
diff --git a/drivers/pinctrl/qcom/pinctrl-msm8960.c b/drivers/pinctrl/qcom/pinctrl-msm8960.c
index ed23e36..39e76b9 100644
--- a/drivers/pinctrl/qcom/pinctrl-msm8960.c
+++ b/drivers/pinctrl/qcom/pinctrl-msm8960.c
@@ -349,6 +349,16 @@ static const unsigned int sdc3_data_pins[] = { 157 };
 		.ngroups = ARRAY_SIZE(fname##_groups),	\
 	}
 
+#define FUNCTION_MULTI_COPY(fname, reg, value)		\
+	[MSM_MUX_##fname] = {				\
+		.name = #fname,				\
+		.groups = fname##_groups,		\
+		.ngroups = ARRAY_SIZE(fname##_groups),	\
+		.requires_copy_select = 1,		\
+		.copy_select_reg = reg,			\
+		.copy_select_value = value,		\
+	}
+
 #define PINGROUP(id, f1, f2, f3, f4, f5, f6, f7, f8, f9, f10, f11) \
 	{						\
 		.name = "gpio" #id,			\
@@ -487,7 +497,8 @@ enum msm8960_functions {
 	MSM_MUX_sdc2,
 	MSM_MUX_sdc4,
 	MSM_MUX_sdc5,
-	MSM_MUX_slimbus1,
+	MSM_MUX_slimbus1_a,
+	MSM_MUX_slimbus1_b,
 	MSM_MUX_slimbus2,
 	MSM_MUX_spkr_i2s,
 	MSM_MUX_ssbi1,
@@ -824,8 +835,12 @@ static const char * const sdc5_groups[] = {
 	"gpio77", "gpio78", "gpio79", "gpio80", "gpio81", "gpio82"
 };
 
-static const char * const slimbus1_groups[] = {
-	"gpio50", "gpio51", "gpio60", "gpio61"
+static const char * const slimbus1_a_groups[] = {
+	"gpio60", "gpio61"
+};
+
+static const char * const slimbus1_b_groups[] = {
+	"gpio50", "gpio51",
 };
 
 static const char * const slimbus2_groups[] = {
@@ -1034,7 +1049,8 @@ static const struct msm_function msm8960_functions[] = {
 	FUNCTION(sdc2),
 	FUNCTION(sdc4),
 	FUNCTION(sdc5),
-	FUNCTION(slimbus1),
+	FUNCTION_MULTI_COPY(slimbus1_a, 0x2074, 0),
+	FUNCTION_MULTI_COPY(slimbus1_b, 0x2074, 1),
 	FUNCTION(slimbus2),
 	FUNCTION(spkr_i2s),
 	FUNCTION(ssbi1),
@@ -1122,8 +1138,8 @@ static const struct msm_pingroup msm8960_groups[] = {
 	PINGROUP(47, mi2s, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(48, mi2s, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(49, mi2s, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
-	PINGROUP(50, mi2s, slimbus1, NA, NA, NA, NA, NA, NA, NA, NA, NA),
-	PINGROUP(51, mi2s, slimbus1, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+	PINGROUP(50, mi2s, slimbus1_b, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+	PINGROUP(51, mi2s, slimbus1_b, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(52, mi2s, gp_clk_2a, gsbi2_spi_cs1_n, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(53, mi2s, gp_pdm_2b, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(54, codec_mic_i2s, gp_clk_0b, NA, NA, NA, NA, NA, NA, NA, NA, NA),
@@ -1132,8 +1148,8 @@ static const struct msm_pingroup msm8960_groups[] = {
 	PINGROUP(57, codec_mic_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(58, codec_mic_i2s, gp_pdm_0a, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(59, codec_spkr_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
-	PINGROUP(60, slimbus1, codec_spkr_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA),
-	PINGROUP(61, slimbus1, codec_spkr_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+	PINGROUP(60, slimbus1_a, codec_spkr_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA),
+	PINGROUP(61, slimbus1_a, codec_spkr_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(62, codec_spkr_i2s, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(63, audio_pcm, NA, NA, NA, NA, NA, NA, NA, NA, NA, NA),
 	PINGROUP(64, audio_pcm, gp_pdm_1b, NA, NA, NA, NA, NA, NA, NA, NA, NA),
-- 
Qualcomm Innovation Center, Inc
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project