* [PATCH 1/2] dt-bindings: pinctrl: qcom: Add SM4250 pinctrl
2024-06-06 13:03 [PATCH 0/2] pinctrl: qcom: add sm4250 lpi pinctrl srinivas.kandagatla
@ 2024-06-06 13:03 ` srinivas.kandagatla
2024-06-07 7:36 ` Krzysztof Kozlowski
2024-06-06 13:03 ` [PATCH 2/2] pinctrl: qcom: Introduce SM4250 LPI pinctrl driver srinivas.kandagatla
1 sibling, 1 reply; 6+ messages in thread
From: srinivas.kandagatla @ 2024-06-06 13:03 UTC (permalink / raw)
To: andersson, linus.walleij
Cc: robh, krzk+dt, conor+dt, srinivas.kandagatla, linux-arm-msm,
inux-gpio, devicetree, linux-kernel
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Add device tree binding Documentation details for Qualcomm SM4250 LPASS
LPI(Low power Island) pinctrl device.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
.../qcom,sm4250-lpass-lpi-pinctrl.yaml | 119 ++++++++++++++++++
1 file changed, 119 insertions(+)
create mode 100644 Documentation/devicetree/bindings/pinctrl/qcom,sm4250-lpass-lpi-pinctrl.yaml
diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm4250-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm4250-lpass-lpi-pinctrl.yaml
new file mode 100644
index 000000000000..3968a363aa51
--- /dev/null
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm4250-lpass-lpi-pinctrl.yaml
@@ -0,0 +1,119 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/pinctrl/qcom,sm4250-lpass-lpi-pinctrl.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm SM4250 SoC LPASS LPI TLMM
+
+maintainers:
+ - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
+
+description:
+ Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
+ (LPASS) Low Power Island (LPI) of Qualcomm SM4250 SoC.
+
+properties:
+ compatible:
+ const: qcom,sm4250-lpass-lpi-pinctrl
+
+ reg:
+ maxItems: 2
+
+ clocks:
+ items:
+ - description: LPASS Audio voting clock
+
+ clock-names:
+ items:
+ - const: audio
+
+patternProperties:
+ "-state$":
+ oneOf:
+ - $ref: "#/$defs/qcom-sm4250-lpass-state"
+ - patternProperties:
+ "-pins$":
+ $ref: "#/$defs/qcom-sm4250-lpass-state"
+ additionalProperties: false
+
+$defs:
+ qcom-sm4250-lpass-state:
+ type: object
+ description:
+ Pinctrl node's client devices use subnodes for desired pin configuration.
+ Client device subnodes use below standard properties.
+ $ref: qcom,lpass-lpi-common.yaml#/$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[0-8])$"
+ minItems: 1
+ maxItems: 19
+
+ function:
+ enum: [ gpio, dmic01_clk, dmic01_data, dmic23_clk, dmic23_data,
+ dmic4_clk, dmic4_data, ext_mclk0_a, ext_mclk0_b, ext_mclk1_a,
+ ext_mclk1_b, ext_mclk1_c, i2s1_clk, i2s1_data, i2s1_ws,
+ i2s2_clk, i2s2_data, i2s2_ws, i2s3_clk, i2s3_data, i2s3_ws,
+ qua_mi2s_data, qua_mi2s_sclk, qua_mi2s_ws, slim_clk, slim_data,
+ swr_rx_clk, swr_rx_data, swr_tx_clk, swr_tx_data, swr_wsa_clk,
+ swr_wsa_data ]
+ description:
+ Specify the alternative function to be configured for the specified
+ pins.
+
+allOf:
+ - $ref: qcom,lpass-lpi-common.yaml#
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/sound/qcom,q6afe.h>
+ lpi_tlmm: pinctrl@a7c0000 {
+ compatible = "qcom,sm4250-lpass-lpi-pinctrl";
+ reg = <0xa7c0000 0x20000>,
+ <0xa950000 0x10000>;
+ clocks = <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
+ clock-names = "audio";
+ gpio-controller;
+ #gpio-cells = <2>;
+ gpio-ranges = <&lpi_tlmm 0 0 19>;
+
+ i2s2-active-state {
+ clk-pins {
+ pins = "gpio10";
+ function = "i2s2_clk";
+ drive-strength = <2>;
+ slew-rate = <1>;
+ bias-disable;
+ };
+
+ data-pins {
+ pins = "gpio12";
+ function = "i2s2_data";
+ drive-strength = <2>;
+ slew-rate = <1>;
+ };
+ };
+
+ i2s2-sleep-clk-state {
+ pins = "gpio10";
+ function = "i2s2_clk";
+ drive-strength = <2>;
+ bias-pull-down;
+ };
+ };
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread* [PATCH 2/2] pinctrl: qcom: Introduce SM4250 LPI pinctrl driver
2024-06-06 13:03 [PATCH 0/2] pinctrl: qcom: add sm4250 lpi pinctrl srinivas.kandagatla
2024-06-06 13:03 ` [PATCH 1/2] dt-bindings: pinctrl: qcom: Add SM4250 pinctrl srinivas.kandagatla
@ 2024-06-06 13:03 ` srinivas.kandagatla
2024-06-07 7:39 ` Krzysztof Kozlowski
2024-06-07 22:12 ` kernel test robot
1 sibling, 2 replies; 6+ messages in thread
From: srinivas.kandagatla @ 2024-06-06 13:03 UTC (permalink / raw)
To: andersson, linus.walleij
Cc: robh, krzk+dt, conor+dt, srinivas.kandagatla, linux-arm-msm,
inux-gpio, devicetree, linux-kernel
From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Add support for the pin controller block on SM4250 Low Power Island.
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
---
drivers/pinctrl/qcom/Kconfig | 9 +
drivers/pinctrl/qcom/Makefile | 1 +
.../pinctrl/qcom/pinctrl-sm4250-lpass-lpi.c | 191 ++++++++++++++++++
3 files changed, 201 insertions(+)
create mode 100644 drivers/pinctrl/qcom/pinctrl-sm4250-lpass-lpi.c
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 24619e80b2cc..dd9bbe8f3e11 100644
--- a/drivers/pinctrl/qcom/Kconfig
+++ b/drivers/pinctrl/qcom/Kconfig
@@ -68,6 +68,15 @@ config PINCTRL_SC7280_LPASS_LPI
Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI
(Low Power Island) found on the Qualcomm Technologies Inc SC7280 platform.
+config PINCTRL_SM4250_LPASS_LPI
+ tristate "Qualcomm Technologies Inc SM4250 LPASS LPI pin controller driver"
+ depends on ARM64 || COMPILE_TEST
+ depends on PINCTRL_LPASS_LPI
+ help
+ This is the pinctrl, pinmux, pinconf and gpiolib driver for the
+ Qualcomm Technologies Inc LPASS (Low Power Audio SubSystem) LPI
+ (Low Power Island) found on the Qualcomm Technologies Inc SM4250 platform.
+
config PINCTRL_SM6115_LPASS_LPI
tristate "Qualcomm Technologies Inc SM6115 LPASS LPI pin controller driver"
depends on ARM64 || COMPILE_TEST
diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
index e2e76071d268..eb04297b6388 100644
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -43,6 +43,7 @@ obj-$(CONFIG_PINCTRL_SDM845) += pinctrl-sdm845.o
obj-$(CONFIG_PINCTRL_SDX55) += pinctrl-sdx55.o
obj-$(CONFIG_PINCTRL_SDX65) += pinctrl-sdx65.o
obj-$(CONFIG_PINCTRL_SDX75) += pinctrl-sdx75.o
+obj-$(CONFIG_PINCTRL_SM4250_LPASS_LPI) += pinctrl-sm4250-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SM4450) += pinctrl-sm4450.o
obj-$(CONFIG_PINCTRL_SM6115) += pinctrl-sm6115.o
obj-$(CONFIG_PINCTRL_SM6115_LPASS_LPI) += pinctrl-sm6115-lpass-lpi.o
diff --git a/drivers/pinctrl/qcom/pinctrl-sm4250-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm4250-lpass-lpi.c
new file mode 100644
index 000000000000..6c5d09241e82
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-sm4250-lpass-lpi.c
@@ -0,0 +1,191 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2020, 2023 Linaro Ltd.
+ */
+
+#include <linux/gpio/driver.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+
+#include "pinctrl-lpass-lpi.h"
+
+enum lpass_lpi_functions {
+ LPI_MUX_dmic01_clk,
+ LPI_MUX_dmic01_data,
+ LPI_MUX_dmic23_clk,
+ LPI_MUX_dmic23_data,
+ LPI_MUX_dmic4_clk,
+ LPI_MUX_dmic4_data,
+ LPI_MUX_ext_mclk0_a,
+ LPI_MUX_ext_mclk0_b,
+ LPI_MUX_ext_mclk1_a,
+ LPI_MUX_ext_mclk1_b,
+ LPI_MUX_ext_mclk1_c,
+ LPI_MUX_i2s1_clk,
+ LPI_MUX_i2s1_data,
+ LPI_MUX_i2s1_ws,
+ LPI_MUX_i2s2_clk,
+ LPI_MUX_i2s2_data,
+ LPI_MUX_i2s2_ws,
+ LPI_MUX_i2s3_clk,
+ LPI_MUX_i2s3_data,
+ LPI_MUX_i2s3_ws,
+ LPI_MUX_qua_mi2s_data,
+ LPI_MUX_qua_mi2s_sclk,
+ LPI_MUX_qua_mi2s_ws,
+ LPI_MUX_slim_clk,
+ LPI_MUX_slim_data,
+ LPI_MUX_swr_rx_clk,
+ LPI_MUX_swr_rx_data,
+ LPI_MUX_swr_tx_clk,
+ LPI_MUX_swr_tx_data,
+ LPI_MUX_swr_wsa_clk,
+ LPI_MUX_swr_wsa_data,
+ LPI_MUX_gpio,
+ LPI_MUX__,
+};
+
+static const struct pinctrl_pin_desc sm4250_lpi_pins[] = {
+ PINCTRL_PIN(0, "gpio0"),
+ PINCTRL_PIN(1, "gpio1"),
+ PINCTRL_PIN(2, "gpio2"),
+ PINCTRL_PIN(3, "gpio3"),
+ PINCTRL_PIN(4, "gpio4"),
+ PINCTRL_PIN(5, "gpio5"),
+ PINCTRL_PIN(6, "gpio6"),
+ PINCTRL_PIN(7, "gpio7"),
+ PINCTRL_PIN(8, "gpio8"),
+ PINCTRL_PIN(9, "gpio9"),
+ PINCTRL_PIN(10, "gpio10"),
+ PINCTRL_PIN(11, "gpio11"),
+ PINCTRL_PIN(12, "gpio12"),
+ PINCTRL_PIN(13, "gpio13"),
+ PINCTRL_PIN(14, "gpio14"),
+ PINCTRL_PIN(15, "gpio15"),
+ PINCTRL_PIN(16, "gpio16"),
+ PINCTRL_PIN(17, "gpio17"),
+ PINCTRL_PIN(18, "gpio18"),
+};
+
+static const char * const dmic01_clk_groups[] = { "gpio6" };
+static const char * const dmic01_data_groups[] = { "gpio7" };
+static const char * const dmic23_clk_groups[] = { "gpio8" };
+static const char * const dmic23_data_groups[] = { "gpio9" };
+static const char * const dmic4_clk_groups[] = { "gpio10" };
+static const char * const dmic4_data_groups[] = { "gpio11" };
+static const char * const ext_mclk0_a_groups[] = { "gpio13" };
+static const char * const ext_mclk0_b_groups[] = { "gpio5" };
+static const char * const ext_mclk1_a_groups[] = { "gpio18" };
+static const char * const ext_mclk1_b_groups[] = { "gpio9" };
+static const char * const ext_mclk1_c_groups[] = { "gpio17" };
+static const char * const slim_clk_groups[] = { "gpio14" };
+static const char * const slim_data_groups[] = { "gpio15" };
+static const char * const i2s1_clk_groups[] = { "gpio6" };
+static const char * const i2s1_data_groups[] = { "gpio8", "gpio9" };
+static const char * const i2s1_ws_groups[] = { "gpio7" };
+static const char * const i2s2_clk_groups[] = { "gpio10" };
+static const char * const i2s2_data_groups[] = { "gpio12", "gpio13" };
+static const char * const i2s2_ws_groups[] = { "gpio11" };
+static const char * const i2s3_clk_groups[] = { "gpio14" };
+static const char * const i2s3_data_groups[] = { "gpio16", "gpio17" };
+static const char * const i2s3_ws_groups[] = { "gpio15" };
+static const char * const qua_mi2s_data_groups[] = { "gpio2", "gpio3", "gpio4", "gpio5" };
+static const char * const qua_mi2s_sclk_groups[] = { "gpio0" };
+static const char * const qua_mi2s_ws_groups[] = { "gpio1" };
+static const char * const swr_rx_clk_groups[] = { "gpio3" };
+static const char * const swr_rx_data_groups[] = { "gpio4", "gpio5" };
+static const char * const swr_tx_clk_groups[] = { "gpio0" };
+static const char * const swr_tx_data_groups[] = { "gpio1", "gpio2" };
+static const char * const swr_wsa_clk_groups[] = { "gpio10" };
+static const char * const swr_wsa_data_groups[] = { "gpio11" };
+
+
+static const struct lpi_pingroup sm4250_groups[] = {
+ LPI_PINGROUP(0, 0, swr_tx_clk, qua_mi2s_sclk, _, _),
+ LPI_PINGROUP(1, 2, swr_tx_data, qua_mi2s_ws, _, _),
+ LPI_PINGROUP(2, 4, swr_tx_data, qua_mi2s_data, _, _),
+ LPI_PINGROUP(3, 8, swr_rx_clk, qua_mi2s_data, _, _),
+ LPI_PINGROUP(4, 10, swr_rx_data, qua_mi2s_data, _, _),
+ LPI_PINGROUP(5, 12, swr_rx_data, ext_mclk0_b, qua_mi2s_data, _),
+ LPI_PINGROUP(6, LPI_NO_SLEW, dmic01_clk, i2s1_clk, _, _),
+ LPI_PINGROUP(7, LPI_NO_SLEW, dmic01_data, i2s1_ws, _, _),
+ LPI_PINGROUP(8, LPI_NO_SLEW, dmic23_clk, i2s1_data, _, _),
+ LPI_PINGROUP(9, LPI_NO_SLEW, dmic23_data, i2s1_data, ext_mclk1_b, _),
+ LPI_PINGROUP(10, 16, i2s2_clk, swr_wsa_clk, dmic4_clk, _),
+ LPI_PINGROUP(11, 18, i2s2_ws, swr_wsa_data, dmic4_data, _),
+ LPI_PINGROUP(12, LPI_NO_SLEW, dmic23_clk, i2s2_data, _, _),
+ LPI_PINGROUP(13, LPI_NO_SLEW, dmic23_data, i2s2_data, ext_mclk0_a, _),
+ LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, slim_clk, _, _),
+ LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, slim_data, _, _),
+ LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _),
+ LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, ext_mclk1_c, _, _),
+ LPI_PINGROUP(18, 20, ext_mclk1_a, swr_rx_data, _, _),
+};
+
+static const struct lpi_function sm4250_functions[] = {
+ LPI_FUNCTION(dmic01_clk),
+ LPI_FUNCTION(dmic01_data),
+ LPI_FUNCTION(dmic23_clk),
+ LPI_FUNCTION(dmic23_data),
+ LPI_FUNCTION(dmic4_clk),
+ LPI_FUNCTION(dmic4_data),
+ LPI_FUNCTION(ext_mclk0_a),
+ LPI_FUNCTION(ext_mclk0_b),
+ LPI_FUNCTION(ext_mclk1_a),
+ LPI_FUNCTION(ext_mclk1_b),
+ LPI_FUNCTION(ext_mclk1_c),
+ LPI_FUNCTION(i2s1_clk),
+ LPI_FUNCTION(i2s1_data),
+ LPI_FUNCTION(i2s1_ws),
+ LPI_FUNCTION(i2s2_clk),
+ LPI_FUNCTION(i2s2_data),
+ LPI_FUNCTION(i2s2_ws),
+ LPI_FUNCTION(i2s3_clk),
+ LPI_FUNCTION(i2s3_data),
+ LPI_FUNCTION(i2s3_ws),
+ LPI_FUNCTION(qua_mi2s_data),
+ LPI_FUNCTION(qua_mi2s_sclk),
+ LPI_FUNCTION(slim_clk),
+ LPI_FUNCTION(slim_data),
+ LPI_FUNCTION(qua_mi2s_ws),
+ LPI_FUNCTION(swr_rx_clk),
+ LPI_FUNCTION(swr_rx_data),
+ LPI_FUNCTION(swr_tx_clk),
+ LPI_FUNCTION(swr_tx_data),
+ LPI_FUNCTION(swr_wsa_clk),
+ LPI_FUNCTION(swr_wsa_data),
+ LPI_FUNCTION(ext_mclk1_a),
+ LPI_FUNCTION(ext_mclk1_a),
+ LPI_FUNCTION(ext_mclk1_a),
+ LPI_FUNCTION(ext_mclk1_a),
+};
+
+static const struct lpi_pinctrl_variant_data sm4250_lpi_data = {
+ .pins = sm4250_lpi_pins,
+ .npins = ARRAY_SIZE(sm4250_lpi_pins),
+ .groups = sm4250_groups,
+ .ngroups = ARRAY_SIZE(sm4250_groups),
+ .functions = sm4250_functions,
+ .nfunctions = ARRAY_SIZE(sm4250_functions),
+};
+
+static const struct of_device_id lpi_pinctrl_of_match[] = {
+ { .compatible = "qcom,sm4250-lpass-lpi-pinctrl", .data = &sm4250_lpi_data },
+ { }
+};
+MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
+
+static struct platform_driver lpi_pinctrl_driver = {
+ .driver = {
+ .name = "qcom-sm4250-lpass-lpi-pinctrl",
+ .of_match_table = lpi_pinctrl_of_match,
+ },
+ .probe = lpi_pinctrl_probe,
+ .remove_new = lpi_pinctrl_remove,
+};
+
+module_platform_driver(lpi_pinctrl_driver);
+MODULE_DESCRIPTION("QTI SM4250 LPI GPIO pin control driver");
+MODULE_AUTHOR("Srinivas Kandagatla <srinivas.kandagatla@linaro.org>");
+MODULE_LICENSE("GPL");
--
2.25.1
^ permalink raw reply related [flat|nested] 6+ messages in thread