[PATCH] ARM: i.MX53 Add the cko1, cko2 clock outputs.

[Sascha Hauer]

On Tue, Mar 19, 2013 at 05:57:01PM +0100, Martin Fuzzey wrote:
> These two clocks connect to external pins and can be muxed to
> various internal clocks.
> They are typically used either for debugging or to provide
> clocks to external chips (eg audio codecs).
> 
> Currently only the selectable clocks that already exist in the clock tree
> have been added.
> 
> Signed-off-by: Martin Fuzzey <mfuzzey at parkeon.com>

Acked-by: Sascha Hauer <s.hauer at pengutronix.de>

Sascha

> ---
>  .../devicetree/bindings/clock/imx5-clock.txt       |    6 ++++
>  arch/arm/mach-imx/clk-imx51-imx53.c                |   34 ++++++++++++++++++++
>  2 files changed, 40 insertions(+), 0 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/clock/imx5-clock.txt b/Documentation/devicetree/bindings/clock/imx5-clock.txt
> index 2a0c904..959d495 100644
> --- a/Documentation/devicetree/bindings/clock/imx5-clock.txt
> +++ b/Documentation/devicetree/bindings/clock/imx5-clock.txt
> @@ -172,6 +172,12 @@ clocks and IDs.
>  	can1_serial_gate	157
>  	can1_ipg_gate		158
>  	owire_gate		159
> +	cko1_sel		160
> +	cko1_podf		161
> +	cko1			162
> +	cko2_sel		163
> +	cko2_podf		164
> +	cko2			165
>  
>  Examples (for mx53):
>  
> diff --git a/arch/arm/mach-imx/clk-imx51-imx53.c b/arch/arm/mach-imx/clk-imx51-imx53.c
> index 0f39f8c..872a7bc 100644
> --- a/arch/arm/mach-imx/clk-imx51-imx53.c
> +++ b/arch/arm/mach-imx/clk-imx51-imx53.c
> @@ -49,6 +49,28 @@ static const char *tve_sel[] = { "tve_pred", "tve_ext_sel", };
>  static const char *ipu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
>  static const char *vpu_sel[] = { "axi_a", "axi_b", "emi_slow_gate", "ahb", };
>  static const char *mx53_can_sel[] = { "ipg", "ckih1", "ckih2", "lp_apm", };
> +static const char *mx53_cko1_sel[] = {
> +	"cpu_podf", "pll1_sw", "pll2_sw", "pll3_sw",
> +	"emi_slow_podf", "pll4_sw", "nfc_podf", "dummy",
> +	"di_pred", "dummy", "dummy", "ahb",
> +	"ipg", "per_root", "ckil", "dummy",};
> +static const char *mx53_cko2_sel[] = {
> +	"dummy"/* dptc_core */, "dummy"/* dptc_perich */,
> +	"dummy", "esdhc_a_podf",
> +	"usboh3_podf", "dummy"/* wrck_clk_root */,
> +	"ecspi_podf", "dummy"/* pll1_ref_clk */,
> +	"esdhc_b_podf", "dummy"/* ddr_clk_root */,
> +	"dummy"/* arm_axi_clk_root */, "dummy"/* usb_phy_out */,
> +	"vpu_sel", "ipu_sel",
> +	"osc", "ckih1",
> +	"dummy", "esdhc_c_sel",
> +	"ssi1_root_podf", "ssi2_root_podf",
> +	"dummy", "dummy",
> +	"dummy"/* lpsr_clk_root */, "dummy"/* pgc_clk_root */,
> +	"dummy"/* tve_out */, "usb_phy_sel",
> +	"tve_sel", "lp_apm",
> +	"uart_root", "dummy"/* spdif0_clk_root */,
> +	"dummy", "dummy", };
>  
>  enum imx5_clks {
>  	dummy, ckil, osc, ckih1, ckih2, ahb, ipg, axi_a, axi_b, uart_pred,
> @@ -84,6 +106,8 @@ enum imx5_clks {
>  	epit1_ipg_gate, epit1_hf_gate, epit2_ipg_gate, epit2_hf_gate,
>  	can_sel, can1_serial_gate, can1_ipg_gate,
>  	owire_gate,
> +	cko1_sel, cko1_podf, cko1,
> +	cko2_sel, cko2_podf, cko2,
>  	clk_max
>  };
>  
> @@ -456,6 +480,16 @@ int __init mx53_clocks_init(unsigned long rate_ckil, unsigned long rate_osc,
>  	clk[can2_ipg_gate] = imx_clk_gate2("can2_ipg_gate", "ipg", MXC_CCM_CCGR4, 6);
>  	clk[i2c3_gate] = imx_clk_gate2("i2c3_gate", "per_root", MXC_CCM_CCGR1, 22);
>  
> +	clk[cko1_sel] = imx_clk_mux("cko1_sel", MXC_CCM_CCOSR, 0, 4,
> +				mx53_cko1_sel, ARRAY_SIZE(mx53_cko1_sel));
> +	clk[cko1_podf] = imx_clk_divider("cko1_podf", "cko1_sel", MXC_CCM_CCOSR, 4, 3);
> +	clk[cko1] = imx_clk_gate2("cko1", "cko1_podf", MXC_CCM_CCOSR, 7);
> +
> +	clk[cko2_sel] = imx_clk_mux("cko2_sel", MXC_CCM_CCOSR, 16, 5,
> +				mx53_cko2_sel, ARRAY_SIZE(mx53_cko2_sel));
> +	clk[cko2_podf] = imx_clk_divider("cko2_podf", "cko2_sel", MXC_CCM_CCOSR, 21, 3);
> +	clk[cko2] = imx_clk_gate2("cko2", "cko2_podf", MXC_CCM_CCOSR, 24);
> +
>  	for (i = 0; i < ARRAY_SIZE(clk); i++)
>  		if (IS_ERR(clk[i]))
>  			pr_err("i.MX53 clk %d: register failed with %ld\n",
> 
> 

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