From: muhammad.husaini.zulkifli@intel.com To: adrian.hunter@intel.com, michal.simek@xilinx.com, andriy.shevchenko@intel.com, ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: lakshmi.bai.raja.subramanian@intel.com, wan.ahmad.zainie.wan.mohamad@intel.com, muhammad.husaini.zulkifli@intel.com, arnd@arndb.de Subject: [PATCH v4 1/4] firmware: keembay: Add support for Arm Trusted Firmware Service call Date: Thu, 8 Oct 2020 10:09:33 +0800 [thread overview] Message-ID: <20201008020936.19894-2-muhammad.husaini.zulkifli@intel.com> (raw) In-Reply-To: <20201008020936.19894-1-muhammad.husaini.zulkifli@intel.com> From: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com> Add header file to handle API function for device driver to communicate with Arm Trusted Firmware. Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com> --- .../linux/firmware/intel/keembay_firmware.h | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 include/linux/firmware/intel/keembay_firmware.h diff --git a/include/linux/firmware/intel/keembay_firmware.h b/include/linux/firmware/intel/keembay_firmware.h new file mode 100644 index 000000000000..8a62abcdfead --- /dev/null +++ b/include/linux/firmware/intel/keembay_firmware.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Intel Keembay SOC Firmware API Layer + * + * Copyright (C) 2020-2021, Intel Corporation + * + * Muhammad Husaini Zulkifli <Muhammad.Husaini.Zulkifli@intel.com> + */ + +#ifndef __FIRMWARE_KEEMBAY_SMC_H__ +#define __FIRMWARE_KEEMBAY_SMC_H__ + +#include <linux/arm-smccc.h> + +/* + * This file defines API function that can be called by device driver in order to + * communicate with Arm Trusted Firmware. + */ + +/* Setting for Keem Bay IO Pad Line Voltage Selection */ +#define ARM_SMCCC_SIP_KEEMBAY_SET_SD_VOLTAGE \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_SIP, \ + 0xFF26) + +#define KEEMBAY_SET_1V8_VOLT 1 +#define KEEMBAY_SET_3V3_VOLT 0 + +#if IS_ENABLED(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) +static inline int keembay_sd_voltage_selection(int volt) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(ARM_SMCCC_SIP_KEEMBAY_SET_SD_VOLTAGE, volt, &res); + if ((int)res.a0 < 0) + return -EINVAL; + + return 0; +} +#else +static inline int keembay_sd_voltage_selection(int volt) +{ + return -ENODEV; +} +#endif +#endif /* __FIRMWARE_KEEMBAY_SMC_H__ */ -- 2.17.1
WARNING: multiple messages have this Message-ID (diff)
From: muhammad.husaini.zulkifli@intel.com To: adrian.hunter@intel.com, michal.simek@xilinx.com, andriy.shevchenko@intel.com, ulf.hansson@linaro.org, linux-mmc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Cc: lakshmi.bai.raja.subramanian@intel.com, muhammad.husaini.zulkifli@intel.com, arnd@arndb.de, wan.ahmad.zainie.wan.mohamad@intel.com Subject: [PATCH v4 1/4] firmware: keembay: Add support for Arm Trusted Firmware Service call Date: Thu, 8 Oct 2020 10:09:33 +0800 [thread overview] Message-ID: <20201008020936.19894-2-muhammad.husaini.zulkifli@intel.com> (raw) In-Reply-To: <20201008020936.19894-1-muhammad.husaini.zulkifli@intel.com> From: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com> Add header file to handle API function for device driver to communicate with Arm Trusted Firmware. Signed-off-by: Muhammad Husaini Zulkifli <muhammad.husaini.zulkifli@intel.com> --- .../linux/firmware/intel/keembay_firmware.h | 47 +++++++++++++++++++ 1 file changed, 47 insertions(+) create mode 100644 include/linux/firmware/intel/keembay_firmware.h diff --git a/include/linux/firmware/intel/keembay_firmware.h b/include/linux/firmware/intel/keembay_firmware.h new file mode 100644 index 000000000000..8a62abcdfead --- /dev/null +++ b/include/linux/firmware/intel/keembay_firmware.h @@ -0,0 +1,47 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Intel Keembay SOC Firmware API Layer + * + * Copyright (C) 2020-2021, Intel Corporation + * + * Muhammad Husaini Zulkifli <Muhammad.Husaini.Zulkifli@intel.com> + */ + +#ifndef __FIRMWARE_KEEMBAY_SMC_H__ +#define __FIRMWARE_KEEMBAY_SMC_H__ + +#include <linux/arm-smccc.h> + +/* + * This file defines API function that can be called by device driver in order to + * communicate with Arm Trusted Firmware. + */ + +/* Setting for Keem Bay IO Pad Line Voltage Selection */ +#define ARM_SMCCC_SIP_KEEMBAY_SET_SD_VOLTAGE \ + ARM_SMCCC_CALL_VAL(ARM_SMCCC_FAST_CALL, \ + ARM_SMCCC_SMC_32, \ + ARM_SMCCC_OWNER_SIP, \ + 0xFF26) + +#define KEEMBAY_SET_1V8_VOLT 1 +#define KEEMBAY_SET_3V3_VOLT 0 + +#if IS_ENABLED(CONFIG_HAVE_ARM_SMCCC_DISCOVERY) +static inline int keembay_sd_voltage_selection(int volt) +{ + struct arm_smccc_res res; + + arm_smccc_1_1_invoke(ARM_SMCCC_SIP_KEEMBAY_SET_SD_VOLTAGE, volt, &res); + if ((int)res.a0 < 0) + return -EINVAL; + + return 0; +} +#else +static inline int keembay_sd_voltage_selection(int volt) +{ + return -ENODEV; +} +#endif +#endif /* __FIRMWARE_KEEMBAY_SMC_H__ */ -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2020-10-08 2:12 UTC|newest] Thread overview: 60+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-10-08 2:09 [PATCH v4 0/4] mmc: sdhci-of-arasan: Enable UHS-1 support for Keem Bay SOC muhammad.husaini.zulkifli 2020-10-08 2:09 ` muhammad.husaini.zulkifli 2020-10-08 2:09 ` muhammad.husaini.zulkifli [this message] 2020-10-08 2:09 ` [PATCH v4 1/4] firmware: keembay: Add support for Arm Trusted Firmware Service call muhammad.husaini.zulkifli 2020-10-08 7:35 ` Michal Simek 2020-10-08 7:35 ` Michal Simek 2020-10-08 8:46 ` Andy Shevchenko 2020-10-08 8:46 ` Andy Shevchenko 2020-10-08 10:39 ` Zulkifli, Muhammad Husaini 2020-10-08 10:39 ` Zulkifli, Muhammad Husaini 2020-10-08 9:45 ` Sudeep Holla 2020-10-08 9:45 ` Sudeep Holla 2020-10-08 12:34 ` Zulkifli, Muhammad Husaini 2020-10-08 12:34 ` Zulkifli, Muhammad Husaini 2020-10-08 2:09 ` [PATCH v4 2/4] dt-bindings: mmc: Add uhs-gpio for Keem Bay UHS-1 Support muhammad.husaini.zulkifli 2020-10-08 2:09 ` muhammad.husaini.zulkifli 2020-10-08 7:36 ` Michal Simek 2020-10-08 7:36 ` Michal Simek 2020-10-08 2:09 ` [PATCH v4 3/4] mmc: sdhci-of-arasan: Add structure device pointer in probe muhammad.husaini.zulkifli 2020-10-08 2:09 ` muhammad.husaini.zulkifli 2020-10-08 7:34 ` Michal Simek 2020-10-08 7:34 ` Michal Simek 2020-10-08 10:36 ` Zulkifli, Muhammad Husaini 2020-10-08 10:36 ` Zulkifli, Muhammad Husaini 2020-10-08 11:12 ` Andy Shevchenko 2020-10-08 11:12 ` Andy Shevchenko 2020-10-08 2:09 ` [PATCH v4 4/4] mmc: sdhci-of-arasan: Enable UHS-1 support for Keem Bay SOC muhammad.husaini.zulkifli 2020-10-08 2:09 ` muhammad.husaini.zulkifli 2020-10-08 7:36 ` Michal Simek 2020-10-08 7:36 ` Michal Simek 2020-10-08 9:27 ` Ulf Hansson 2020-10-08 9:27 ` Ulf Hansson 2020-10-08 10:54 ` Zulkifli, Muhammad Husaini 2020-10-08 10:54 ` Zulkifli, Muhammad Husaini 2020-10-08 15:19 ` Ulf Hansson 2020-10-08 15:19 ` Ulf Hansson 2020-10-08 17:21 ` Zulkifli, Muhammad Husaini 2020-10-08 17:21 ` Zulkifli, Muhammad Husaini 2020-10-09 6:56 ` Ulf Hansson 2020-10-09 6:56 ` Ulf Hansson 2020-10-09 7:25 ` Michal Simek 2020-10-09 7:25 ` Michal Simek 2020-10-09 17:50 ` Zulkifli, Muhammad Husaini 2020-10-09 17:50 ` Zulkifli, Muhammad Husaini 2020-10-13 8:12 ` Zulkifli, Muhammad Husaini 2020-10-13 8:12 ` Zulkifli, Muhammad Husaini 2020-10-13 8:41 ` Ulf Hansson 2020-10-13 8:41 ` Ulf Hansson 2020-10-16 7:23 ` Zulkifli, Muhammad Husaini 2020-10-16 7:23 ` Zulkifli, Muhammad Husaini 2020-10-16 10:50 ` Ulf Hansson 2020-10-16 10:50 ` Ulf Hansson 2020-11-06 7:16 ` Zulkifli, Muhammad Husaini 2020-11-06 7:16 ` Zulkifli, Muhammad Husaini 2020-11-09 13:36 ` Zulkifli, Muhammad Husaini 2020-11-09 13:36 ` Zulkifli, Muhammad Husaini 2020-10-08 10:58 ` Adrian Hunter 2020-10-08 10:58 ` Adrian Hunter 2020-10-08 15:12 ` Ulf Hansson 2020-10-08 15:12 ` Ulf Hansson
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