| From eb90b9b2e14bb641472568355f2c57e7c5110168 Mon Sep 17 00:00:00 2001 |
| From: Wolfram Sang <wsa@sang-engineering.com> |
| Date: Thu, 20 Feb 2014 09:03:20 +0100 |
| Subject: i2c: rcar: add compatible entry for r8a7791 |
| |
| While we are here, also brush up the devicetree binding documentation. |
| The example was an inappropriate copy from the sh_mobile driver. |
| |
| Signed-off-by: Wolfram Sang <wsa@sang-engineering.com> |
| Signed-off-by: Wolfram Sang <wsa@the-dreams.de> |
| (cherry picked from commit e89364556824cc7a947f99173af842217074c099) |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| --- |
| Documentation/devicetree/bindings/i2c/i2c-rcar.txt | 14 ++++++++++---- |
| drivers/i2c/busses/i2c-rcar.c | 1 + |
| 2 files changed, 11 insertions(+), 4 deletions(-) |
| |
| diff --git a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt |
| index 897cfcd5ce92..dd8b2dd1edeb 100644 |
| --- a/Documentation/devicetree/bindings/i2c/i2c-rcar.txt |
| +++ b/Documentation/devicetree/bindings/i2c/i2c-rcar.txt |
| @@ -6,6 +6,7 @@ Required properties: |
| "renesas,i2c-r8a7778" |
| "renesas,i2c-r8a7779" |
| "renesas,i2c-r8a7790" |
| + "renesas,i2c-r8a7791" |
| - reg: physical base address of the controller and length of memory mapped |
| region. |
| - interrupts: interrupt specifier. |
| @@ -13,11 +14,16 @@ Required properties: |
| Optional properties: |
| - clock-frequency: desired I2C bus clock frequency in Hz. The absence of this |
| propoerty indicates the default frequency 100 kHz. |
| +- clocks: clock specifier. |
| |
| Examples : |
| |
| -i2c0: i2c@e6500000 { |
| - compatible = "renesas,i2c-rcar-h2"; |
| - reg = <0 0xe6500000 0 0x428>; |
| - interrupts = <0 174 0x4>; |
| +i2c0: i2c@e6508000 { |
| + #address-cells = <1>; |
| + #size-cells = <0>; |
| + compatible = "renesas,i2c-r8a7791"; |
| + reg = <0 0xe6508000 0 0x40>; |
| + interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>; |
| + clocks = <&mstp9_clks R8A7791_CLK_I2C0>; |
| + clock-frequency = <400000>; |
| }; |
| diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c |
| index d3c5d6216575..233812c431c3 100644 |
| --- a/drivers/i2c/busses/i2c-rcar.c |
| +++ b/drivers/i2c/busses/i2c-rcar.c |
| @@ -645,6 +645,7 @@ static const struct of_device_id rcar_i2c_dt_ids[] = { |
| { .compatible = "renesas,i2c-r8a7778", .data = (void *)I2C_RCAR_GEN1 }, |
| { .compatible = "renesas,i2c-r8a7779", .data = (void *)I2C_RCAR_GEN1 }, |
| { .compatible = "renesas,i2c-r8a7790", .data = (void *)I2C_RCAR_GEN2 }, |
| + { .compatible = "renesas,i2c-r8a7791", .data = (void *)I2C_RCAR_GEN2 }, |
| {}, |
| }; |
| MODULE_DEVICE_TABLE(of, rcar_i2c_dt_ids); |
| -- |
| 2.1.2 |
| |
