CLK_TX_RXCLK
txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */