From fc5e0e37621973758e7e49dd85f28673e72e4b85 Mon Sep 17 00:00:00 2001 From: Mikko Perttunen Date: Fri, 12 Nov 2021 13:35:34 +0100 Subject: dt-bindings: Update headers for Tegra234 Add a few more clocks that will be used in follow-up patches to enable more functionality on Tegra234. Signed-off-by: Mikko Perttunen Reviewed-by: Rob Herring Signed-off-by: Thierry Reding --- include/dt-bindings/clock/tegra234-clock.h | 17 ++++++++++++++--- include/dt-bindings/reset/tegra234-reset.h | 12 ++++++++++-- 2 files changed, 24 insertions(+), 5 deletions(-) (limited to 'include') diff --git a/include/dt-bindings/clock/tegra234-clock.h b/include/dt-bindings/clock/tegra234-clock.h index 2c82072950ee..21ed0c732fb9 100644 --- a/include/dt-bindings/clock/tegra234-clock.h +++ b/include/dt-bindings/clock/tegra234-clock.h @@ -4,11 +4,22 @@ #ifndef DT_BINDINGS_CLOCK_TEGRA234_CLOCK_H #define DT_BINDINGS_CLOCK_TEGRA234_CLOCK_H +/** + * @file + * @defgroup bpmp_clock_ids Clock ID's + * @{ + */ /** @brief output of gate CLK_ENB_FUSE */ -#define TEGRA234_CLK_FUSE 40 +#define TEGRA234_CLK_FUSE 40U /** @brief output of mux controlled by CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC4 */ -#define TEGRA234_CLK_SDMMC4 123 +#define TEGRA234_CLK_SDMMC4 123U /** @brief output of mux controlled by CLK_RST_CONTROLLER_CLK_SOURCE_UARTA */ -#define TEGRA234_CLK_UARTA 155 +#define TEGRA234_CLK_UARTA 155U +/** @brief CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC_LEGACY_TM switch divider output */ +#define TEGRA234_CLK_SDMMC_LEGACY_TM 219U +/** @brief PLL controlled by CLK_RST_CONTROLLER_PLLC4_BASE */ +#define TEGRA234_CLK_PLLC4 237U +/** @brief 32K input clock provided by PMIC */ +#define TEGRA234_CLK_CLK_32K 289U #endif diff --git a/include/dt-bindings/reset/tegra234-reset.h b/include/dt-bindings/reset/tegra234-reset.h index b3c63be06d2d..50e13bced642 100644 --- a/include/dt-bindings/reset/tegra234-reset.h +++ b/include/dt-bindings/reset/tegra234-reset.h @@ -4,7 +4,15 @@ #ifndef DT_BINDINGS_RESET_TEGRA234_RESET_H #define DT_BINDINGS_RESET_TEGRA234_RESET_H -#define TEGRA234_RESET_SDMMC4 85 -#define TEGRA234_RESET_UARTA 100 +/** + * @file + * @defgroup bpmp_reset_ids Reset ID's + * @brief Identifiers for Resets controllable by firmware + * @{ + */ +#define TEGRA234_RESET_SDMMC4 85U +#define TEGRA234_RESET_UARTA 100U + +/** @} */ #endif -- cgit v1.2.3-59-g8ed1b From c3859c1436e31461f27365ec6fc751c9bbeff3e2 Mon Sep 17 00:00:00 2001 From: Thierry Reding Date: Mon, 13 Dec 2021 17:21:47 +0100 Subject: dt-bindings: memory: tegra: Add Tegra234 support Document the variant of the memory controller and external memory controllers found on Tegra234 and add some memory client and SMMU stream ID definitions for use in device tree files. Reviewed-by: Rob Herring Signed-off-by: Thierry Reding Reviewed-by: Krzysztof Kozlowski Signed-off-by: Thierry Reding --- .../memory-controllers/nvidia,tegra186-mc.yaml | 20 ++++++++++++++ include/dt-bindings/clock/tegra234-clock.h | 9 ++++++ include/dt-bindings/memory/tegra234-mc.h | 32 ++++++++++++++++++++++ 3 files changed, 61 insertions(+) create mode 100644 include/dt-bindings/memory/tegra234-mc.h (limited to 'include') diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml index b496564b1bdf..13c4c82fd0d3 100644 --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra186-mc.yaml @@ -31,6 +31,7 @@ properties: - enum: - nvidia,tegra186-mc - nvidia,tegra194-mc + - nvidia,tegra234-mc reg: minItems: 1 @@ -68,6 +69,7 @@ patternProperties: - enum: - nvidia,tegra186-emc - nvidia,tegra194-emc + - nvidia,tegra234-emc reg: minItems: 1 @@ -112,6 +114,15 @@ patternProperties: reg: minItems: 2 + - if: + properties: + compatible: + const: nvidia,tegra234-emc + then: + properties: + reg: + minItems: 2 + additionalProperties: false required: @@ -142,6 +153,15 @@ allOf: reg: minItems: 3 + - if: + properties: + compatible: + const: nvidia,tegra234-mc + then: + properties: + reg: + minItems: 3 + additionalProperties: false required: diff --git a/include/dt-bindings/clock/tegra234-clock.h b/include/dt-bindings/clock/tegra234-clock.h index 21ed0c732fb9..8d7e66e1b6ef 100644 --- a/include/dt-bindings/clock/tegra234-clock.h +++ b/include/dt-bindings/clock/tegra234-clock.h @@ -9,6 +9,15 @@ * @defgroup bpmp_clock_ids Clock ID's * @{ */ +/** + * @brief controls the EMC clock frequency. + * @details Doing a clk_set_rate on this clock will select the + * appropriate clock source, program the source rate and execute a + * specific sequence to switch to the new clock source for both memory + * controllers. This can be used to control the balance between memory + * throughput and memory controller power. + */ +#define TEGRA234_CLK_EMC 31U /** @brief output of gate CLK_ENB_FUSE */ #define TEGRA234_CLK_FUSE 40U /** @brief output of mux controlled by CLK_RST_CONTROLLER_CLK_SOURCE_SDMMC4 */ diff --git a/include/dt-bindings/memory/tegra234-mc.h b/include/dt-bindings/memory/tegra234-mc.h new file mode 100644 index 000000000000..2662f70c15c6 --- /dev/null +++ b/include/dt-bindings/memory/tegra234-mc.h @@ -0,0 +1,32 @@ +/* SPDX-License-Identifier: (GPL-2.0 OR MIT) */ + +#ifndef DT_BINDINGS_MEMORY_TEGRA234_MC_H +#define DT_BINDINGS_MEMORY_TEGRA234_MC_H + +/* special clients */ +#define TEGRA234_SID_INVALID 0x00 +#define TEGRA234_SID_PASSTHROUGH 0x7f + + +/* NISO1 stream IDs */ +#define TEGRA234_SID_SDMMC4 0x02 +#define TEGRA234_SID_BPMP 0x10 + +/* + * memory client IDs + */ + +/* sdmmcd memory read client */ +#define TEGRA234_MEMORY_CLIENT_SDMMCRAB 0x63 +/* sdmmcd memory write client */ +#define TEGRA234_MEMORY_CLIENT_SDMMCWAB 0x67 +/* BPMP read client */ +#define TEGRA234_MEMORY_CLIENT_BPMPR 0x93 +/* BPMP write client */ +#define TEGRA234_MEMORY_CLIENT_BPMPW 0x94 +/* BPMPDMA read client */ +#define TEGRA234_MEMORY_CLIENT_BPMPDMAR 0x95 +/* BPMPDMA write client */ +#define TEGRA234_MEMORY_CLIENT_BPMPDMAW 0x96 + +#endif -- cgit v1.2.3-59-g8ed1b