Sometimes it is useful to be able to pass a dummy clock for a driver.
Add support for a dummy clock.
Cc: Mike Turquette mturquette@linaro.org Signed-off-by: Fabio Estevam fabio.estevam@freescale.com --- Documentation/devicetree/bindings/clock/imx28-clock.txt | 1 + drivers/clk/mxs/clk-imx28.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/clock/imx28-clock.txt b/Documentation/devicetree/bindings/clock/imx28-clock.txt index e6587af..5a153ef 100644 --- a/Documentation/devicetree/bindings/clock/imx28-clock.txt +++ b/Documentation/devicetree/bindings/clock/imx28-clock.txt @@ -76,6 +76,7 @@ clocks and IDs. usb0_phy 62 usb1_phy 63 enet_out 64 + dummy 65
Examples:
diff --git a/drivers/clk/mxs/clk-imx28.c b/drivers/clk/mxs/clk-imx28.c index 4faf0af..6b55211 100644 --- a/drivers/clk/mxs/clk-imx28.c +++ b/drivers/clk/mxs/clk-imx28.c @@ -143,7 +143,7 @@ enum imx28_clk { emi_xtal, lcdif_div, etm_div, ptp, saif0_div, saif1_div, clk32k_div, rtc, lradc, spdif_div, clk32k, pwm, uart, ssp0, ssp1, ssp2, ssp3, gpmi, spdif, emi, saif0, saif1, lcdif, etm, - fec, can0, can1, usb0, usb1, usb0_phy, usb1_phy, enet_out, + fec, can0, can1, usb0, usb1, usb0_phy, usb1_phy, enet_out, dummy, clk_max };
@@ -234,6 +234,7 @@ int __init mx28_clocks_init(void) clks[usb0_phy] = clk_register_gate(NULL, "usb0_phy", "pll0", 0, PLL0CTRL0, 18, 0, &mxs_lock); clks[usb1_phy] = clk_register_gate(NULL, "usb1_phy", "pll1", 0, PLL1CTRL0, 18, 0, &mxs_lock); clks[enet_out] = clk_register_gate(NULL, "enet_out", "pll2", 0, ENET, 18, 0, &mxs_lock); + clks[dummy] = mxs_clk_fixed("dummy", 0);
for (i = 0; i < ARRAY_SIZE(clks); i++) if (IS_ERR(clks[i])) {