From 796af3473b8222bcd89aa63e9886c355a6baf95d Mon Sep 17 00:00:00 2001 From: Sascha Hauer Date: Wed, 5 Jun 2019 00:06:30 +0200 Subject: dts: update to v5.2-rc1 Signed-off-by: Sascha Hauer --- dts/Bindings/i2c/brcm,iproc-i2c.txt | 17 +++++++++++++---- dts/Bindings/i2c/i2c-designware.txt | 9 +++++++++ dts/Bindings/i2c/i2c-mt65xx.txt | 5 ++++- dts/Bindings/i2c/i2c-riic.txt | 5 ++++- dts/Bindings/i2c/i2c-stm32.txt | 37 +++++++++++++++++++------------------ 5 files changed, 49 insertions(+), 24 deletions(-) (limited to 'dts/Bindings/i2c') diff --git a/dts/Bindings/i2c/brcm,iproc-i2c.txt b/dts/Bindings/i2c/brcm,iproc-i2c.txt index 81f982ccca..d12cc33cca 100644 --- a/dts/Bindings/i2c/brcm,iproc-i2c.txt +++ b/dts/Bindings/i2c/brcm,iproc-i2c.txt @@ -3,15 +3,12 @@ Broadcom iProc I2C controller Required properties: - compatible: - Must be "brcm,iproc-i2c" + Must be "brcm,iproc-i2c" or "brcm,iproc-nic-i2c" - reg: Define the base and range of the I/O address space that contain the iProc I2C controller registers -- interrupts: - Should contain the I2C interrupt - - clock-frequency: This is the I2C bus clock. Need to be either 100000 or 400000 @@ -21,6 +18,18 @@ Required properties: - #size-cells: Always 0 +Optional properties: + +- interrupts: + Should contain the I2C interrupt. For certain revisions of the I2C + controller, I2C interrupt is unwired to the interrupt controller. In such + case, this property should be left unspecified, and driver will fall back + to polling mode + +- brcm,ape-hsls-addr-mask: + Required for "brcm,iproc-nic-i2c". Host view of address mask into the + 'APE' co-processor. Value must be unsigned, 32-bit + Example: i2c0: i2c@18008000 { compatible = "brcm,iproc-i2c"; diff --git a/dts/Bindings/i2c/i2c-designware.txt b/dts/Bindings/i2c/i2c-designware.txt index 3e4bcc2fb6..08be4d3846 100644 --- a/dts/Bindings/i2c/i2c-designware.txt +++ b/dts/Bindings/i2c/i2c-designware.txt @@ -6,12 +6,21 @@ Required properties : or "mscc,ocelot-i2c" with "snps,designware-i2c" for fallback - reg : Offset and length of the register set for the device - interrupts : where IRQ is the interrupt number. + - clocks : phandles for the clocks, see the description of clock-names below. + The phandle for the "ic_clk" clock is required. The phandle for the "pclk" + clock is optional. If a single clock is specified but no clock-name, it is + the "ic_clk" clock. If both clocks are listed, the "ic_clk" must be first. Recommended properties : - clock-frequency : desired I2C bus clock frequency in Hz. Optional properties : + + - clock-names : Contains the names of the clocks: + "ic_clk", for the core clock used to generate the external I2C clock. + "pclk", the interface clock, required for register access. + - reg : for "mscc,ocelot-i2c", a second register set to configure the SDA hold time, named ICPU_CFG:TWI_DELAY in the datasheet. diff --git a/dts/Bindings/i2c/i2c-mt65xx.txt b/dts/Bindings/i2c/i2c-mt65xx.txt index ee4c324541..68f6d73a8b 100644 --- a/dts/Bindings/i2c/i2c-mt65xx.txt +++ b/dts/Bindings/i2c/i2c-mt65xx.txt @@ -12,13 +12,16 @@ Required properties: "mediatek,mt7623-i2c", "mediatek,mt6577-i2c": for MediaTek MT7623 "mediatek,mt7629-i2c", "mediatek,mt2712-i2c": for MediaTek MT7629 "mediatek,mt8173-i2c": for MediaTek MT8173 + "mediatek,mt8183-i2c": for MediaTek MT8183 + "mediatek,mt8516-i2c", "mediatek,mt2712-i2c": for MediaTek MT8516 - reg: physical base address of the controller and dma base, length of memory mapped region. - interrupts: interrupt number to the cpu. - clock-div: the fixed value for frequency divider of clock source in i2c module. Each IC may be different. - clocks: clock name from clock manager - - clock-names: Must include "main" and "dma", if enable have-pmic need include + - clock-names: Must include "main" and "dma", "arb" is for multi-master that + one bus has more than two i2c controllers, if enable have-pmic need include "pmic" extra. Optional properties: diff --git a/dts/Bindings/i2c/i2c-riic.txt b/dts/Bindings/i2c/i2c-riic.txt index 0bcc4716c3..e26fe3ad86 100644 --- a/dts/Bindings/i2c/i2c-riic.txt +++ b/dts/Bindings/i2c/i2c-riic.txt @@ -1,7 +1,10 @@ Device tree configuration for Renesas RIIC driver Required properties: -- compatible : "renesas,riic-". "renesas,riic-rz" as fallback +- compatible : + "renesas,riic-r7s72100" if the device is a part of a R7S72100 SoC. + "renesas,riic-r7s9210" if the device is a part of a R7S9210 SoC. + "renesas,riic-rz" for a generic RZ/A compatible device. - reg : address start and address range size of device - interrupts : 8 interrupts (TEI, RI, TI, SPI, STI, NAKI, ALI, TMOI) - clock-frequency : frequency of bus clock in Hz diff --git a/dts/Bindings/i2c/i2c-stm32.txt b/dts/Bindings/i2c/i2c-stm32.txt index 69240e189b..f334738f7a 100644 --- a/dts/Bindings/i2c/i2c-stm32.txt +++ b/dts/Bindings/i2c/i2c-stm32.txt @@ -1,11 +1,11 @@ * I2C controller embedded in STMicroelectronics STM32 I2C platform -Required properties : -- compatible : Must be one of the following +Required properties: +- compatible: Must be one of the following - "st,stm32f4-i2c" - "st,stm32f7-i2c" -- reg : Offset and length of the register set for the device -- interrupts : Must contain the interrupt id for I2C event and then the +- reg: Offset and length of the register set for the device +- interrupts: Must contain the interrupt id for I2C event and then the interrupt id for I2C error. - resets: Must contain the phandle to the reset controller. - clocks: Must contain the input clock of the I2C instance. @@ -14,25 +14,26 @@ Required properties : - #address-cells = <1>; - #size-cells = <0>; -Optional properties : -- clock-frequency : Desired I2C bus clock frequency in Hz. If not specified, +Optional properties: +- clock-frequency: Desired I2C bus clock frequency in Hz. If not specified, the default 100 kHz frequency will be used. For STM32F4 SoC Standard-mode and Fast-mode are supported, possible values are 100000 and 400000. - For STM32F7 SoC, Standard-mode, Fast-mode and Fast-mode Plus are supported, - possible values are 100000, 400000 and 1000000. -- i2c-scl-rising-time-ns : Only for STM32F7, I2C SCL Rising time for the board - (default: 25) -- i2c-scl-falling-time-ns : Only for STM32F7, I2C SCL Falling time for the board - (default: 10) + For STM32F7, STM32H7 and STM32MP1 SoCs, Standard-mode, Fast-mode and Fast-mode + Plus are supported, possible values are 100000, 400000 and 1000000. +- i2c-scl-rising-time-ns: I2C SCL Rising time for the board (default: 25) + For STM32F7, STM32H7 and STM32MP1 only. +- i2c-scl-falling-time-ns: I2C SCL Falling time for the board (default: 10) + For STM32F7, STM32H7 and STM32MP1 only. I2C Timings are derived from these 2 values -- st,syscfg-fmp: Only for STM32F7, use to set Fast Mode Plus bit within SYSCFG - whether Fast Mode Plus speed is selected by slave. - 1st cell : phandle to syscfg - 2nd cell : register offset within SYSCFG - 3rd cell : register bitmask for FMP bit +- st,syscfg-fmp: Use to set Fast Mode Plus bit within SYSCFG when Fast Mode + Plus speed is selected by slave. + 1st cell: phandle to syscfg + 2nd cell: register offset within SYSCFG + 3rd cell: register bitmask for FMP bit + For STM32F7, STM32H7 and STM32MP1 only. -Example : +Example: i2c@40005400 { compatible = "st,stm32f4-i2c"; -- cgit v1.2.3