linux-kernel - [PATCH 2/4] pinctrl: qcom: ipq5424: split spi0 pin group

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Message-ID: <20241122124505.1688436-3-quic_mmanikan@quicinc.com>
Date: Fri, 22 Nov 2024 18:15:03 +0530
From: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
To: <andersson@...nel.org>, <linus.walleij@...aro.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <konradybcio@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <linux-gpio@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC: <quic_srichara@...cinc.com>, <quic_varada@...cinc.com>
Subject: [PATCH 2/4] pinctrl: qcom: ipq5424: split spi0 pin group

The GPIO configuration differs for the spi0 clk, cs, miso, mosi pins.
Therefore, split the spi0 pin group and assign function to each pin
as per the specification.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
---
 drivers/pinctrl/qcom/pinctrl-ipq5424.c | 34 ++++++++++++++++++++------
 1 file changed, 26 insertions(+), 8 deletions(-)

diff --git a/drivers/pinctrl/qcom/pinctrl-ipq5424.c b/drivers/pinctrl/qcom/pinctrl-ipq5424.c
index 796299cd2e4e..0d610b076da3 100644
--- a/drivers/pinctrl/qcom/pinctrl-ipq5424.c
+++ b/drivers/pinctrl/qcom/pinctrl-ipq5424.c
@@ -233,7 +233,10 @@ enum ipq5424_functions {
 	msm_mux_sdc_clk,
 	msm_mux_sdc_cmd,
 	msm_mux_sdc_data,
-	msm_mux_spi0,
+	msm_mux_spi0_clk,
+	msm_mux_spi0_cs,
+	msm_mux_spi0_miso,
+	msm_mux_spi0_mosi,
 	msm_mux_spi1,
 	msm_mux_spi10,
 	msm_mux_spi11,
@@ -297,8 +300,8 @@ static const char * const qspi_clk_groups[] = {
 	"gpio5",
 };
 
-static const char * const spi0_groups[] = {
-	"gpio6", "gpio7", "gpio8", "gpio9",
+static const char * const spi0_clk_groups[] = {
+	"gpio6",
 };
 
 static const char * const pwm1_groups[] = {
@@ -315,14 +318,26 @@ static const char * const qdss_tracedata_a_groups[] = {
 	"gpio38", "gpio39",
 };
 
+static const char * const spi0_cs_groups[] = {
+	"gpio7",
+};
+
 static const char * const cri_trng1_groups[] = {
 	"gpio7",
 };
 
+static const char * const spi0_miso_groups[] = {
+	"gpio8",
+};
+
 static const char * const cri_trng2_groups[] = {
 	"gpio8",
 };
 
+static const char * const spi0_mosi_groups[] = {
+	"gpio9",
+};
+
 static const char * const cri_trng3_groups[] = {
 	"gpio9",
 };
@@ -680,7 +695,10 @@ static const struct pinfunction ipq5424_functions[] = {
 	MSM_PIN_FUNCTION(sdc_clk),
 	MSM_PIN_FUNCTION(sdc_cmd),
 	MSM_PIN_FUNCTION(sdc_data),
-	MSM_PIN_FUNCTION(spi0),
+	MSM_PIN_FUNCTION(spi0_clk),
+	MSM_PIN_FUNCTION(spi0_cs),
+	MSM_PIN_FUNCTION(spi0_miso),
+	MSM_PIN_FUNCTION(spi0_mosi),
 	MSM_PIN_FUNCTION(spi1),
 	MSM_PIN_FUNCTION(spi10),
 	MSM_PIN_FUNCTION(spi11),
@@ -700,10 +718,10 @@ static const struct msm_pingroup ipq5424_groups[] = {
 	PINGROUP(3, sdc_data, qspi_data, pwm2, _, _, _, _, _, _),
 	PINGROUP(4, sdc_cmd, qspi_cs, _, _, _, _, _, _, _),
 	PINGROUP(5, sdc_clk, qspi_clk, _, _, _, _, _, _, _),
-	PINGROUP(6, spi0, pwm1, _, cri_trng0, qdss_tracedata_a, _, _, _, _),
-	PINGROUP(7, spi0, pwm1, _, cri_trng1, qdss_tracedata_a, _, _, _, _),
-	PINGROUP(8, spi0, pwm1, wci_txd, wci_rxd, _, cri_trng2, qdss_tracedata_a, _, _),
-	PINGROUP(9, spi0, pwm1, _, cri_trng3, qdss_tracedata_a, _, _, _, _),
+	PINGROUP(6, spi0_clk, pwm1, _, cri_trng0, qdss_tracedata_a, _, _, _, _),
+	PINGROUP(7, spi0_cs, pwm1, _, cri_trng1, qdss_tracedata_a, _, _, _, _),
+	PINGROUP(8, spi0_miso, pwm1, wci_txd, wci_rxd, _, cri_trng2, qdss_tracedata_a, _, _),
+	PINGROUP(9, spi0_mosi, pwm1, _, cri_trng3, qdss_tracedata_a, _, _, _, _),
 	PINGROUP(10, uart0, pwm0, spi11, _, wci_txd, wci_rxd, _, qdss_tracedata_a, _),
 	PINGROUP(11, uart0, pwm0, spi1, _, wci_txd, wci_rxd, _, qdss_tracedata_a, _),
 	PINGROUP(12, uart0, pwm0, spi11, _, prng_rosc0, qdss_tracedata_a, _, _, _),
-- 
2.34.1