Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl.git

Documentation/devicetree/bindings/pinctrl/qcom,ipq5424-tlmm.yaml

@@ -79,8 +79,8 @@ $defs:
                 qdss_cti_trig_out_b0, qdss_cti_trig_in_b1, qdss_cti_trig_out_b1,
                 qdss_traceclk_a, qdss_tracectl_a, qdss_tracedata_a, qspi_clk,
                 qspi_cs, qspi_data, resout, rx0, rx1, rx2, sdc_clk, sdc_cmd,
-                sdc_data, spi0, spi1, spi10, spi11, tsens_max, uart0, uart1,
-                wci_txd, wci_rxd, wsi_clk, wsi_data ]
+                sdc_data, spi0_cs, spi0_clk, spi0_miso, spi0_mosi, spi1, spi10,
+                spi11, tsens_max, uart0, uart1, wci_txd, wci_rxd, wsi_clk, wsi_data ]
 
     required:
       - pins

Documentation/devicetree/bindings/pinctrl/qcom,msm8917-pinctrl.yaml

@@ -0,0 +1,160 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,msm8917-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm MSM8917 TLMM pin controller
+
+maintainers:
+  - Barnabas Czeman <barnabas.czeman@mainlining.org>
+
+description:
+  Top Level Mode Multiplexer pin controller in Qualcomm MSM8917 SoC.
+
+properties:
+  compatible:
+    const: qcom,msm8917-pinctrl
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  gpio-reserved-ranges:
+    minItems: 1
+    maxItems: 66
+
+  gpio-line-names:
+    maxItems: 134
+
+patternProperties:
+  "-state$":
+    oneOf:
+      - $ref: "#/$defs/qcom-msm8917-tlmm-state"
+      - patternProperties:
+          "-pins$":
+            $ref: "#/$defs/qcom-msm8917-tlmm-state"
+        additionalProperties: false
+
+$defs:
+  qcom-msm8917-tlmm-state:
+    type: object
+    description:
+      Pinctrl node's client devices use subnodes for desired pin configuration.
+      Client device subnodes use below standard properties.
+    $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
+    unevaluatedProperties: false
+
+    properties:
+      pins:
+        description:
+          List of gpio pins affected by the properties specified in this
+          subnode.
+        items:
+          oneOf:
+            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-2][0-9]|13[0-3])$"
+            - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk, sdc2_clk,
+                      sdc2_cmd, sdc2_data, qdsd_clk, qdsd_cmd, qdsd_data0,
+                      qdsd_data1, qdsd_data2, qdsd_data3 ]
+        minItems: 1
+        maxItems: 16
+
+      function:
+        description:
+          Specify the alternative function to be configured for the specified
+          pins.
+
+        enum: [ accel_int, adsp_ext, alsp_int, atest_bbrx0, atest_bbrx1,
+                atest_char, atest_char0, atest_char1, atest_char2,
+                atest_char3, atest_combodac_to_gpio_native,
+                atest_gpsadc_dtest0_native, atest_gpsadc_dtest1_native,
+                atest_tsens, atest_wlan0, atest_wlan1, audio_ref,
+                audio_reset, bimc_dte0, bimc_dte1, blsp6_spi, blsp8_spi,
+                blsp_i2c1, blsp_i2c2, blsp_i2c3, blsp_i2c4, blsp_i2c5,
+                blsp_i2c6, blsp_i2c7, blsp_i2c8, blsp_spi1, blsp_spi2,
+                blsp_spi3, blsp_spi4, blsp_spi5, blsp_spi6, blsp_spi7,
+                blsp_spi8, blsp_uart1, blsp_uart2, blsp_uart3, blsp_uart4,
+                blsp_uart5, blsp_uart6, blsp_uart7, blsp_uart8, cam0_ldo,
+                cam1_rst, cam1_standby, cam2_rst, cam2_standby, cam_mclk,
+                cci_async, cci_i2c, cci_timer0, cci_timer1, cdc_pdm0,
+                codec_int1, codec_int2, codec_mad, coex_uart, cri_trng,
+                cri_trng0, cri_trng1, dbg_out, dmic0_clk, dmic0_data,
+                ebi_cdc, ebi_ch0, ext_lpass, forced_usb, fp_gpio, fp_int,
+                gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a, gcc_gp2_clk_b,
+                gcc_gp3_clk_a, gcc_gp3_clk_b, gcc_plltest, gcc_tlmm, gpio,
+                gsm0_tx, key_focus, key_snapshot, key_volp, ldo_en,
+                ldo_update, lpass_slimbus, lpass_slimbus0, lpass_slimbus1,
+                m_voc, mag_int, mdp_vsync, mipi_dsi0, modem_tsync, nav_pps,
+                nav_pps_in_a, nav_pps_in_b, nav_tsync, nfc_pwr, ov_ldo,
+                pa_indicator, pbs0, pbs1, pbs2, pri_mi2s, pri_mi2s_mclk_a,
+                pri_mi2s_mclk_b, pri_mi2s_ws, prng_rosc,
+                pwr_crypto_enabled_a, pwr_crypto_enabled_b,
+                pwr_modem_enabled_a, pwr_modem_enabled_b, pwr_nav_enabled_a,
+                pwr_nav_enabled_b, qdss_cti_trig_in_a0, qdss_cti_trig_in_a1,
+                qdss_cti_trig_in_b0, qdss_cti_trig_in_b1,
+                qdss_cti_trig_out_a0, qdss_cti_trig_out_a1,
+                qdss_cti_trig_out_b0, qdss_cti_trig_out_b1, qdss_traceclk_a,
+                qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
+                qdss_tracedata_a, qdss_tracedata_b, sd_write, sdcard_det,
+                sec_mi2s, sec_mi2s_mclk_a, sec_mi2s_mclk_b, sensor_rst,
+                smb_int, ssbi_wtr1, ts_resout, ts_sample, uim1_clk,
+                uim1_data, uim1_present, uim1_reset, uim2_clk, uim2_data,
+                uim2_present, uim2_reset, uim_batt, us_emitter, us_euro,
+                wcss_bt, wcss_fm, wcss_wlan, wcss_wlan0, wcss_wlan1,
+                wcss_wlan2, webcam_rst, webcam_standby, wsa_io, wsa_irq ]
+
+    required:
+      - pins
+
+allOf:
+  - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+    tlmm: pinctrl@1000000 {
+        compatible = "qcom,msm8917-pinctrl";
+        reg = <0x01000000 0x300000>;
+        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
+        gpio-controller;
+        gpio-ranges = <&tlmm 0 0 134>;
+        #gpio-cells = <2>;
+        interrupt-controller;
+        #interrupt-cells = <2>;
+
+        blsp1-uart2-sleep-state {
+            pins = "gpio4", "gpio5";
+            function = "gpio";
+
+            drive-strength = <2>;
+            bias-pull-down;
+        };
+
+        spi1-default-state {
+            spi-pins {
+                pins = "gpio0", "gpio1", "gpio3";
+                function = "blsp_spi1";
+
+                drive-strength = <12>;
+                bias-disable;
+            };
+
+            cs-pins {
+                pins = "gpio2";
+                function = "gpio";
+
+                drive-strength = <16>;
+                bias-disable;
+                output-high;
+            };
+        };
+    };

arch/arm/mach-imx/Kconfig

@@ -6,6 +6,7 @@ menuconfig ARCH_MXC
 	select CLKSRC_IMX_GPT
 	select GENERIC_IRQ_CHIP
 	select GPIOLIB
+	select PINCTRL
 	select PM_OPP if PM
 	select SOC_BUS
 	select SRAM

drivers/pinctrl/nomadik/pinctrl-nomadik.c

@@ -438,9 +438,9 @@ static void nmk_prcm_altcx_set_mode(struct nmk_pinctrl *npct,
  *  - Any spurious wake up event during switch sequence to be ignored and
  *    cleared
  */
-static void nmk_gpio_glitch_slpm_init(unsigned int *slpm)
+static int nmk_gpio_glitch_slpm_init(unsigned int *slpm)
 {
-	int i;
+	int i, j, ret;
 
 	for (i = 0; i < NMK_MAX_BANKS; i++) {
 		struct nmk_gpio_chip *chip = nmk_gpio_chips[i];
@@ -449,11 +449,21 @@ static void nmk_gpio_glitch_slpm_init(unsigned int *slpm)
 		if (!chip)
 			break;
 
-		clk_enable(chip->clk);
+		ret = clk_enable(chip->clk);
+		if (ret) {
+			for (j = 0; j < i; j++) {
+				chip = nmk_gpio_chips[j];
+				clk_disable(chip->clk);
+			}
+
+			return ret;
+		}
 
 		slpm[i] = readl(chip->addr + NMK_GPIO_SLPC);
 		writel(temp, chip->addr + NMK_GPIO_SLPC);
 	}
+
+	return 0;
 }
 
 static void nmk_gpio_glitch_slpm_restore(unsigned int *slpm)
@@ -923,7 +933,9 @@ static int nmk_pmx_set(struct pinctrl_dev *pctldev, unsigned int function,
 
 			slpm[nmk_chip->bank] &= ~BIT(bit);
 		}
-		nmk_gpio_glitch_slpm_init(slpm);
+		ret = nmk_gpio_glitch_slpm_init(slpm);
+		if (ret)
+			goto out_pre_slpm_init;
 	}
 
 	for (i = 0; i < g->grp.npins; i++) {
@@ -940,7 +952,10 @@ static int nmk_pmx_set(struct pinctrl_dev *pctldev, unsigned int function,
 		dev_dbg(npct->dev, "setting pin %d to altsetting %d\n",
 			g->grp.pins[i], g->altsetting);
 
-		clk_enable(nmk_chip->clk);
+		ret = clk_enable(nmk_chip->clk);
+		if (ret)
+			goto out_glitch;
+
 		/*
 		 * If the pin is switching to altfunc, and there was an
 		 * interrupt installed on it which has been lazy disabled,
@@ -988,6 +1003,7 @@ static int nmk_gpio_request_enable(struct pinctrl_dev *pctldev,
 	struct nmk_gpio_chip *nmk_chip;
 	struct gpio_chip *chip;
 	unsigned int bit;
+	int ret;
 
 	if (!range) {
 		dev_err(npct->dev, "invalid range\n");
@@ -1004,7 +1020,9 @@ static int nmk_gpio_request_enable(struct pinctrl_dev *pctldev,
 
 	find_nmk_gpio_from_pin(pin, &bit);
 
-	clk_enable(nmk_chip->clk);
+	ret = clk_enable(nmk_chip->clk);
+	if (ret)
+		return ret;
 	/* There is no glitch when converting any pin to GPIO */
 	__nmk_gpio_set_mode(nmk_chip, bit, NMK_GPIO_ALT_GPIO);
 	clk_disable(nmk_chip->clk);
@@ -1058,6 +1076,7 @@ static int nmk_pin_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
 	unsigned long cfg;
 	int pull, slpm, output, val, i;
 	bool lowemi, gpiomode, sleep;
+	int ret;
 
 	nmk_chip = find_nmk_gpio_from_pin(pin, &bit);
 	if (!nmk_chip) {
@@ -1116,7 +1135,9 @@ static int nmk_pin_config_set(struct pinctrl_dev *pctldev, unsigned int pin,
 			output ? (val ? "high" : "low") : "",
 			lowemi ? "on" : "off");
 
-		clk_enable(nmk_chip->clk);
+		ret = clk_enable(nmk_chip->clk);
+		if (ret)
+			return ret;
 		if (gpiomode)
 			/* No glitch when going to GPIO mode */
 			__nmk_gpio_set_mode(nmk_chip, bit, NMK_GPIO_ALT_GPIO);

drivers/pinctrl/pinctrl-ingenic.c

@@ -3699,7 +3699,7 @@ static void ingenic_gpio_irq_print_chip(struct irq_data *data, struct seq_file *
 {
 	struct gpio_chip *gpio_chip = irq_data_get_irq_chip_data(data);
 
-	seq_printf(p, "%s", gpio_chip->label);
+	seq_puts(p, gpio_chip->label);
 }
 
 static const struct irq_chip ingenic_gpio_irqchip = {

drivers/pinctrl/pinctrl-mcp23s08.c

@@ -86,6 +86,7 @@ const struct regmap_config mcp23x08_regmap = {
 	.num_reg_defaults = ARRAY_SIZE(mcp23x08_defaults),
 	.cache_type = REGCACHE_FLAT,
 	.max_register = MCP_OLAT,
+	.disable_locking = true, /* mcp->lock protects the regmap */
 };
 EXPORT_SYMBOL_GPL(mcp23x08_regmap);
 
@@ -132,6 +133,7 @@ const struct regmap_config mcp23x17_regmap = {
 	.num_reg_defaults = ARRAY_SIZE(mcp23x17_defaults),
 	.cache_type = REGCACHE_FLAT,
 	.val_format_endian = REGMAP_ENDIAN_LITTLE,
+	.disable_locking = true, /* mcp->lock protects the regmap */
 };
 EXPORT_SYMBOL_GPL(mcp23x17_regmap);
 
@@ -228,7 +230,9 @@ static int mcp_pinconf_get(struct pinctrl_dev *pctldev, unsigned int pin,
 
 	switch (param) {
 	case PIN_CONFIG_BIAS_PULL_UP:
+		mutex_lock(&mcp->lock);
 		ret = mcp_read(mcp, MCP_GPPU, &data);
+		mutex_unlock(&mcp->lock);
 		if (ret < 0)
 			return ret;
 		status = (data & BIT(pin)) ? 1 : 0;
@@ -257,7 +261,9 @@ static int mcp_pinconf_set(struct pinctrl_dev *pctldev, unsigned int pin,
 
 		switch (param) {
 		case PIN_CONFIG_BIAS_PULL_UP:
+			mutex_lock(&mcp->lock);
 			ret = mcp_set_bit(mcp, MCP_GPPU, pin, arg);
+			mutex_unlock(&mcp->lock);
 			break;
 		default:
 			dev_dbg(mcp->dev, "Invalid config param %04x\n", param);

drivers/pinctrl/qcom/Kconfig.msm

@@ -137,6 +137,12 @@ config PINCTRL_MSM8916
 	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
 	  Qualcomm TLMM block found on the Qualcomm 8916 platform.
 
+config PINCTRL_MSM8917
+	tristate "Qualcomm 8917 pin controller driver"
+	help
+	  This is the pinctrl, pinmux, pinconf and gpiolib driver for the
+	  Qualcomm TLMM block found on the Qualcomm MSM8917 platform.
+
 config PINCTRL_MSM8953
 	tristate "Qualcomm 8953 pin controller driver"
 	depends on ARM64 || COMPILE_TEST

drivers/pinctrl/qcom/Makefile

@@ -17,6 +17,7 @@ obj-$(CONFIG_PINCTRL_MSM8960)	+= pinctrl-msm8960.o
 obj-$(CONFIG_PINCTRL_MSM8X74)	+= pinctrl-msm8x74.o
 obj-$(CONFIG_PINCTRL_MSM8909)	+= pinctrl-msm8909.o
 obj-$(CONFIG_PINCTRL_MSM8916)	+= pinctrl-msm8916.o
+obj-$(CONFIG_PINCTRL_MSM8917)	+= pinctrl-msm8917.o
 obj-$(CONFIG_PINCTRL_MSM8953)	+= pinctrl-msm8953.o
 obj-$(CONFIG_PINCTRL_MSM8976)	+= pinctrl-msm8976.o
 obj-$(CONFIG_PINCTRL_MSM8994)   += pinctrl-msm8994.o

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, _, _, _),