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Message-Id: <20230722-topic-6115_lpasstlmm-v1-2-32d1643d8774@linaro.org>
Date: Sat, 22 Jul 2023 10:52:46 +0200
From: Konrad Dybcio <konrad.dybcio@...aro.org>
To: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will@...nel.org>
Cc: Marijn Suijten <marijn.suijten@...ainline.org>,
Konrad Dybcio <konradybcio@...nel.org>,
linux-arm-msm@...r.kernel.org, linux-gpio@...r.kernel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org,
Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 2/3] pinctrl: qcom: Introduce SM6115 LPI pinctrl driver
Add support for the pin controller block on SM6115's Low Power Island.
Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
drivers/pinctrl/qcom/Kconfig | 9 ++
drivers/pinctrl/qcom/Makefile | 1 +
drivers/pinctrl/qcom/pinctrl-sm6115-lpass-lpi.c | 175 ++++++++++++++++++++++++
3 files changed, 185 insertions(+)
diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
index 634c75336983..c6ef38032c05 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_SM6115_LPASS_LPI
+ tristate "Qualcomm Technologies Inc SM6115 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 SM6115 platform.
+
config PINCTRL_SM8250_LPASS_LPI
tristate "Qualcomm Technologies Inc SM8250 LPASS LPI pin controller driver"
depends on ARM64 || COMPILE_TEST
diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
index 426ddbf35f32..d1179d8b2c42 100644
--- a/drivers/pinctrl/qcom/Makefile
+++ b/drivers/pinctrl/qcom/Makefile
@@ -44,6 +44,7 @@ obj-$(CONFIG_PINCTRL_SDX55) += pinctrl-sdx55.o
obj-$(CONFIG_PINCTRL_SDX65) += pinctrl-sdx65.o
obj-$(CONFIG_PINCTRL_SDX75) += pinctrl-sdx75.o
obj-$(CONFIG_PINCTRL_SM6115) += pinctrl-sm6115.o
+obj-$(CONFIG_PINCTRL_SM6115_LPASS_LPI) += pinctrl-sm6115-lpass-lpi.o
obj-$(CONFIG_PINCTRL_SM6125) += pinctrl-sm6125.o
obj-$(CONFIG_PINCTRL_SM6350) += pinctrl-sm6350.o
obj-$(CONFIG_PINCTRL_SM6375) += pinctrl-sm6375.o
diff --git a/drivers/pinctrl/qcom/pinctrl-sm6115-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm6115-lpass-lpi.c
new file mode 100644
index 000000000000..2b09bf171a2c
--- /dev/null
+++ b/drivers/pinctrl/qcom/pinctrl-sm6115-lpass-lpi.c
@@ -0,0 +1,175 @@
+// 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_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_swr_rx_clk,
+ LPI_MUX_swr_rx_data,
+ LPI_MUX_swr_tx_clk,
+ LPI_MUX_swr_tx_data,
+ LPI_MUX_wsa_mclk,
+ LPI_MUX_gpio,
+ LPI_MUX__,
+};
+
+static int gpio0_pins[] = { 0 };
+static int gpio1_pins[] = { 1 };
+static int gpio2_pins[] = { 2 };
+static int gpio3_pins[] = { 3 };
+static int gpio4_pins[] = { 4 };
+static int gpio5_pins[] = { 5 };
+static int gpio6_pins[] = { 6 };
+static int gpio7_pins[] = { 7 };
+static int gpio8_pins[] = { 8 };
+static int gpio9_pins[] = { 9 };
+static int gpio10_pins[] = { 10 };
+static int gpio11_pins[] = { 11 };
+static int gpio12_pins[] = { 12 };
+static int gpio13_pins[] = { 13 };
+static int gpio14_pins[] = { 14 };
+static int gpio15_pins[] = { 15 };
+static int gpio16_pins[] = { 16 };
+static int gpio17_pins[] = { 17 };
+static int gpio18_pins[] = { 18 };
+
+static const struct pinctrl_pin_desc sm6115_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 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 wsa_mclk_groups[] = { "gpio18" };
+
+static const struct lpi_pingroup sm6115_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, _, 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, _, _),
+ LPI_PINGROUP(10, LPI_NO_SLEW, i2s2_clk, _, _, _),
+ LPI_PINGROUP(11, LPI_NO_SLEW, i2s2_ws, _, _, _),
+ LPI_PINGROUP(12, LPI_NO_SLEW, _, i2s2_data, _, _),
+ LPI_PINGROUP(13, LPI_NO_SLEW, _, i2s2_data, _, _),
+ LPI_PINGROUP(14, LPI_NO_SLEW, i2s3_clk, _, _, _),
+ LPI_PINGROUP(15, LPI_NO_SLEW, i2s3_ws, _, _, _),
+ LPI_PINGROUP(16, LPI_NO_SLEW, i2s3_data, _, _, _),
+ LPI_PINGROUP(17, LPI_NO_SLEW, i2s3_data, _, _, _),
+ LPI_PINGROUP(18, 14, wsa_mclk, _, _, _),
+};
+
+static const struct lpi_function sm6115_functions[] = {
+ LPI_FUNCTION(dmic01_clk),
+ LPI_FUNCTION(dmic01_data),
+ LPI_FUNCTION(dmic23_clk),
+ LPI_FUNCTION(dmic23_data),
+ 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(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(wsa_mclk),
+};
+
+static const struct lpi_pinctrl_variant_data sm6115_lpi_data = {
+ .pins = sm6115_lpi_pins,
+ .npins = ARRAY_SIZE(sm6115_lpi_pins),
+ .groups = sm6115_groups,
+ .ngroups = ARRAY_SIZE(sm6115_groups),
+ .functions = sm6115_functions,
+ .nfunctions = ARRAY_SIZE(sm6115_functions),
+};
+
+static const struct of_device_id lpi_pinctrl_of_match[] = {
+ { .compatible = "qcom,sm6115-lpass-lpi-pinctrl", .data = &sm6115_lpi_data },
+ { }
+};
+MODULE_DEVICE_TABLE(of, lpi_pinctrl_of_match);
+
+static struct platform_driver lpi_pinctrl_driver = {
+ .driver = {
+ .name = "qcom-sm6115-lpass-lpi-pinctrl",
+ .of_match_table = lpi_pinctrl_of_match,
+ },
+ .probe = lpi_pinctrl_probe,
+ .remove = lpi_pinctrl_remove,
+};
+
+module_platform_driver(lpi_pinctrl_driver);
+MODULE_DESCRIPTION("QTI SM6115 LPI GPIO pin control driver");
+MODULE_LICENSE("GPL");
--
2.41.0
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