diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-03-26 10:18:15 +0400 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2013-04-02 05:58:25 +0400 |
| commit | c91cf2fad00f24bfe268d30b75e4015aaa326c04 (patch) | |
| tree | d6280345b468c4e0dc314989c693a4844e415263 /arch/arm | |
| parent | 6722f6cb763203cab775297b6e9d00834af0d6d7 (diff) | |
| download | linux-c91cf2fad00f24bfe268d30b75e4015aaa326c04.tar.xz | |
ARM: shmobile: r8a73a4: add thermal driver support
You can get current thermal by
> cat /sys/class/thermal/thermal_zone?/temp
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm')
| -rw-r--r-- | arch/arm/boot/dts/r8a73a4.dtsi | 7 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/clock-r8a73a4.c | 13 | ||||
| -rw-r--r-- | arch/arm/mach-shmobile/setup-r8a73a4.c | 15 |
3 files changed, 34 insertions, 1 deletions
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi index 4c68ba15727c..7db5b504e64c 100644 --- a/arch/arm/boot/dts/r8a73a4.dtsi +++ b/arch/arm/boot/dts/r8a73a4.dtsi @@ -84,4 +84,11 @@ <0 56 4>, <0 57 4>; }; + thermal@e61f0000 { + compatible = "renesas,rcar-thermal"; + reg = <0xe61f0000 0x14>, <0xe61f0100 0x38>, + <0xe61f0200 0x38>, <0xe61f0300 0x38>; + interrupt-parent = <&gic>; + interrupts = <0 69 4>; + }; }; diff --git a/arch/arm/mach-shmobile/clock-r8a73a4.c b/arch/arm/mach-shmobile/clock-r8a73a4.c index 037713bdff3f..e710c00c3822 100644 --- a/arch/arm/mach-shmobile/clock-r8a73a4.c +++ b/arch/arm/mach-shmobile/clock-r8a73a4.c @@ -29,6 +29,7 @@ #define MPCKCR 0xe6150080 #define SMSTPCR2 0xe6150138 +#define SMSTPCR5 0xe6150144 static struct clk_mapping cpg_mapping = { .phys = CPG_BASE, @@ -56,7 +57,12 @@ static struct clk *main_clks[] = { &extal2_clk, }; -enum { MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, MSTP_NR }; +enum { + MSTP217, MSTP216, MSTP207, MSTP206, MSTP204, MSTP203, + MSTP522, + MSTP_NR +}; + static struct clk mstp_clks[MSTP_NR] = { [MSTP204] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 4, 0), /* SCIFA0 */ [MSTP203] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 3, 0), /* SCIFA1 */ @@ -64,6 +70,7 @@ static struct clk mstp_clks[MSTP_NR] = { [MSTP207] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 7, 0), /* SCIFB1 */ [MSTP216] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 16, 0), /* SCIFB2 */ [MSTP217] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR2, 17, 0), /* SCIFB3 */ + [MSTP522] = SH_CLK_MSTP32(&extal2_clk, SMSTPCR5, 22, 0), /* Thermal */ }; static struct clk_lookup lookups[] = { @@ -73,6 +80,10 @@ static struct clk_lookup lookups[] = { CLKDEV_DEV_ID("sh-sci.3", &mstp_clks[MSTP207]), CLKDEV_DEV_ID("sh-sci.4", &mstp_clks[MSTP216]), CLKDEV_DEV_ID("sh-sci.5", &mstp_clks[MSTP217]), + CLKDEV_DEV_ID("rcar_thermal", &mstp_clks[MSTP522]), + + /* for DT */ + CLKDEV_DEV_ID("e61f0000.thermal", &mstp_clks[MSTP522]), }; void __init r8a73a4_clock_init(void) diff --git a/arch/arm/mach-shmobile/setup-r8a73a4.c b/arch/arm/mach-shmobile/setup-r8a73a4.c index c2d86f30cde4..c5a75a7a508f 100644 --- a/arch/arm/mach-shmobile/setup-r8a73a4.c +++ b/arch/arm/mach-shmobile/setup-r8a73a4.c @@ -155,6 +155,20 @@ static const struct resource irqc1_resources[] = { &irqc##idx##_data, \ sizeof(struct renesas_irqc_config)) +/* Thermal0 -> Thermal2 */ +static const struct resource thermal0_resources[] = { + DEFINE_RES_MEM(0xe61f0000, 0x14), + DEFINE_RES_MEM(0xe61f0100, 0x38), + DEFINE_RES_MEM(0xe61f0200, 0x38), + DEFINE_RES_MEM(0xe61f0300, 0x38), + DEFINE_RES_IRQ(gic_spi(69)), +}; + +#define r8a73a4_register_thermal() \ + platform_device_register_simple("rcar_thermal", -1, \ + thermal0_resources, \ + ARRAY_SIZE(thermal0_resources)) + void __init r8a73a4_add_standard_devices(void) { r8a73a4_register_scif(SCIFA0); @@ -165,6 +179,7 @@ void __init r8a73a4_add_standard_devices(void) r8a73a4_register_scif(SCIFB3); r8a73a4_register_irqc(0); r8a73a4_register_irqc(1); + r8a73a4_register_thermal(); } #ifdef CONFIG_USE_OF |